Acarospora macrospora subsp. murorum
 - Acarospora macrospora subsp. murorum (A. Massal.) Clauzade & Cl. Roux [SYNONYM SUBSPECIES 9893:5FCR9 nidx=null parent=936C]
 + Acarospora macrospora subsp. murorum (A. Massal.) Clauzade & Cl. Roux [SYNONYM SUBSPECIES 9902:BBFD4 nidx=null parent=936C]
Achaeopsis thomsoni
 - Achaeopsis thomsoni (Norman) [SYNONYM SPECIES 9893:64HHZ nidx=null parent=37CZX]
 + Achaeopsis thomsoni (Thompson, 1873) [SYNONYM SPECIES 9902:B92Q9 nidx=null parent=37CZX]
Achatina dunkeri
 - Achatina dunkeri L. Pfeiffer, 1850 [SYNONYM SPECIES 9893:7PSCF nidx=null parent=7R4LB]
 + Achatina dunkeri L. Pfeiffer, 1853 [SYNONYM SPECIES 9902:B94DW nidx=null parent=BB548]
Achatinella bulimoides arnemani
 - Achatinella bulimoides arnemani Welch, 1954 [ACCEPTED SUBSPECIES 9893:84F6T nidx=null]
 + Achatinella bulimoides arnemani Welch, 1958 [ACCEPTED SUBSPECIES 9902:BCN7N nidx=null]
Acleris brunneana
 - Acleris brunneana (Stephens, 1834) [AMBIGUOUS_SYNONYM SPECIES 9893:B63JS nidx=null parent=9CTT]
 + Acleris brunneana (Sheldon, 1931) [AMBIGUOUS_SYNONYM SPECIES 9902:BDGVP nidx=null parent=9D2Z]
 + Acleris brunneana (Sheldon, 1930) [AMBIGUOUS_SYNONYM SPECIES 9902:BDGVQ nidx=null parent=9CVY]
Actaeon (Buccinulus) cinereus
 - Actaeon (Buccinulus) cinereus R. B. Watson, 1883 [SYNONYM SPECIES 9893:9G3ZR nidx=null parent=4QJCQ]
 + Actaeon (Buccinulus) cinereus R. B. Watson, 1884 [SYNONYM SPECIES 9902:B966T nidx=null parent=4QJCQ]
Actaeon cinereus
 - Actaeon cinereus R. B. Watson, 1883 [SYNONYM SPECIES 9893:9WNK6 nidx=null parent=4QJCQ]
 + Actaeon cinereus R. B. Watson, 1884 [SYNONYM SPECIES 9902:B966S nidx=null parent=4QJCQ]
Actina apicalis
 - Actina apicalis (Frey, 1960) [ACCEPTED SPECIES 9893:64NZG nidx=null]
 + Actina apicalis (Frey, 1961) [ACCEPTED SPECIES 9902:B935W nidx=null]
Actina fraterna
 - Actina fraterna (Frey, 1960) [ACCEPTED SPECIES 9893:9SV8 nidx=null]
 + Actina fraterna (Frey, 1961) [ACCEPTED SPECIES 9902:B935X nidx=null]
Actinastraeidae
 - Actinastraeidae Alloiteau, 1952 [ACCEPTED FAMILY 9893:85Z2Y nidx=null]
 + Actinastraeidae [ACCEPTED FAMILY 9902:B8WNN nidx=null]
Actiniaria
 - Actiniaria [ACCEPTED ORDER 9893:62284 nidx=null]
 + Actiniaria Hertwig, 1882 [ACCEPTED ORDER 9902:B8TX9 nidx=null]
Acugamasus
 - Acugamasus [ACCEPTED GENUS 9893:NTT nidx=null]
 + Acugamasus Lee, 1970 [ACCEPTED GENUS 9902:B8X7G nidx=null]
Acuphis
 - Acuphis [ACCEPTED GENUS 9893:62876 nidx=null]
 + Acuphis Karg, 1998 [ACCEPTED GENUS 9902:B8X7Z nidx=null]
Acusta ravida redfieldi
 - Acusta ravida redfieldi (L. Pfeiffer, 1852) [SYNONYM SUBSPECIES 9893:8L95T nidx=null parent=8LV5K]
 + Acusta ravida redfieldi (Reeve, 1852) [SYNONYM SUBSPECIES 9902:BCN88 nidx=null parent=B927Y]
Acusta redfieldi
 - Acusta redfieldi (L. Pfeiffer, 1852) [ACCEPTED SPECIES 9893:8LV5K nidx=null]
 + Acusta redfieldi (Reeve, 1852) [ACCEPTED SPECIES 9902:B927Y nidx=null]
Acyrthosiphon (Acyrthosiphon) vasiljevi
 - Acyrthosiphon (Acyrthosiphon) vasiljevi [ACCEPTED SPECIES 9893:B825N nidx=null]
 + Acyrthosiphon (Acyrthosiphon) vasiljevi [ACCEPTED SPECIES 9902:B93FW nidx=null]
Acyrthosiphon calvulum
 - Acyrthosiphon calvulum [SYNONYM SPECIES 9893:B82MR nidx=null parent=4XT98]
 + Acyrthosiphon calvulum [SYNONYM SPECIES 9902:B969S nidx=null parent=4XT98]
 + Acyrthosiphon calvulum [SYNONYM SPECIES 9902:B969V nidx=null parent=4XT98]
Adamystidae
 - Adamystidae [ACCEPTED FAMILY 9893:628 nidx=null]
 + Adamystidae Cunliffe, 1957 [ACCEPTED FAMILY 9902:B8WNQ nidx=null]
Adamystoidea
 - Adamystoidea [ACCEPTED SUPERFAMILY 9893:4RY nidx=null]
 + Adamystoidea Cunliffe, 1957 [ACCEPTED SUPERFAMILY 9902:B8WMG nidx=null]
Adixoa auricollum
 - Adixoa auricollum Hampson, 1892 [ACCEPTED SPECIES 9893:654W8 nidx=null]
 + Adixoa auricollum Hampson, [1893] [SYNONYM SPECIES 9902:B93H7 nidx=null parent=BDLY8]
Adoxomyia zarudnyi
 - Adoxomyia zarudnyi Becker, 1903 [SYNONYM SPECIES 9893:655XZ nidx=null parent=655XY]
 + Adoxomyia zarudnyi Becker, 1902 [SYNONYM SPECIES 9902:B93HK nidx=null parent=655XY]
Aegeria aequalis
 - Aegeria aequalis Walker, 1864 [SYNONYM SPECIES 9893:95R5S nidx=null parent=53TD9]
 + Aegeria aequalis Walker, [1865] [SYNONYM SPECIES 9902:BCDQN nidx=null parent=BCLXH]
Aegeria alenicola
 - Aegeria alenicola Strand, 1912 [SYNONYM SPECIES 9893:95R5V nidx=null parent=98GLB]
 + Aegeria alenicola Strand, [1913] [SYNONYM SPECIES 9902:BCDQP nidx=null parent=B9SPF]
Aegeria apicalis
 - Aegeria apicalis Walker, 1864 [SYNONYM SPECIES 9893:95R5Y nidx=null parent=53TDH]
 + Aegeria apicalis Walker, [1865] [SYNONYM SPECIES 9902:BCDQQ nidx=null parent=BBD85]
Aegeria auriplena
 - Aegeria auriplena Walker, 1864 [SYNONYM SPECIES 9893:95R64 nidx=null parent=98GLJ]
 + Aegeria auriplena Walker, [1865] [SYNONYM SPECIES 9902:BCDQR nidx=null parent=BDBZB]
Aegeria clavicornis
 - Aegeria clavicornis Walker, 1864 [SYNONYM SPECIES 9893:95R6L nidx=null parent=98GLW]
 + Aegeria clavicornis Walker, [1865] [SYNONYM SPECIES 9902:BCDQS nidx=null parent=BDLZT]
Aegeria crassicornis
 - Aegeria crassicornis Walker, 1864 [SYNONYM SPECIES 9893:95R6M nidx=null parent=4XJJB]
 + Aegeria crassicornis Walker, [1865] [SYNONYM SPECIES 9902:BCDQT nidx=null parent=BDM4G]
Aegeria cupreipennis
 - Aegeria cupreipennis Walker, 1864 [SYNONYM SPECIES 9893:95R6S nidx=null parent=7CD6P]
 + Aegeria cupreipennis Walker, [1865] [SYNONYM SPECIES 9902:BCDQV nidx=null parent=BBDM3]
Aegeria fasciculipes
 - Aegeria fasciculipes Walker, 1864 [SYNONYM SPECIES 9893:95R78 nidx=null parent=53TFF]
 + Aegeria fasciculipes Walker, [1865] [SYNONYM SPECIES 9902:BCDQW nidx=null parent=BDLLB]
Aegeria guineabia
 - Aegeria guineabia Strand, 1912 [SYNONYM SPECIES 9893:95R7G nidx=null parent=94WST]
 + Aegeria guineabia Strand, [1913] [SYNONYM SPECIES 9902:BCDQX nidx=null parent=BBD8Y]
Aegeria ochracea
 - Aegeria ochracea Walker, 1864 [SYNONYM SPECIES 9893:95R8B nidx=null parent=TLJG]
 + Aegeria ochracea Walker, [1865] [SYNONYM SPECIES 9902:BCDQY nidx=null parent=BBD92]
Aegeria ovinia
 - Aegeria ovinia Druce, 1900 [SYNONYM SPECIES 9893:95R8F nidx=null parent=64VM3]
 + Aegeria ovinia Druce, 1896 [SYNONYM SPECIES 9902:BCDQZ nidx=null parent=B92NJ]
Aegeria pinorum
 - Aegeria pinorum French, 1889 [SYNONYM SPECIES 9893:64VK7 nidx=null parent=949PB]
 + Aegeria pinorum Behrens, 1889 [SYNONYM SPECIES 9902:B93QX nidx=null parent=949PB]
Aegeria plumipes
 - Aegeria plumipes Walker, 1964 [SYNONYM SPECIES 9893:95R8S nidx=null parent=6HG62]
 + Aegeria plumipes Walker, [1865] [SYNONYM SPECIES 9902:BCDR2 nidx=null parent=B9LYH]
Aegeria producta
 - Aegeria producta Walker, 1864 [SYNONYM SPECIES 9893:95R8X nidx=null parent=53TJB]
 + Aegeria producta Walker, [1865] [SYNONYM SPECIES 9902:BCDR3 nidx=null parent=B9853]
Aegeria pulchripennis
 - Aegeria pulchripennis Walker, 1864 [SYNONYM SPECIES 9893:95R92 nidx=null parent=7B86T]
 + Aegeria pulchripennis Walker, [1865] [SYNONYM SPECIES 9902:BCDR4 nidx=null parent=BBD98]
Aegeria ruficaudis
 - Aegeria ruficaudis Walker, 1864 [SYNONYM SPECIES 9893:95R9B nidx=null parent=53TJW]
 + Aegeria ruficaudis Walker, [1865] [SYNONYM SPECIES 9902:BCDR6 nidx=null parent=B9855]
Aegeria santanna
 - Aegeria santanna Kaye, 1924 [SYNONYM SPECIES 9893:64VLF nidx=null parent=98CCG]
 + Aegeria santanna Kaye, 1925 [SYNONYM SPECIES 9902:B93QY nidx=null parent=BDLKY]
Aegeria unicolor
 - Aegeria unicolor Walker, 1864 [SYNONYM SPECIES 9893:95R9V nidx=null parent=5566R]
 + Aegeria unicolor Walker, [1865] [SYNONYM SPECIES 9902:BCDR7 nidx=null parent=BDLVH]
Aegerina allotriochora
 - Aegerina allotriochora Zukowsky, 1937 [ACCEPTED SPECIES 9893:657LS nidx=null]
 + Aegerina allotriochora Zukowsky, 1936 [ACCEPTED SPECIES 9902:B93R2 nidx=null]
Aegerina alomyaeformis
 - Aegerina alomyaeformis Zukowsky, 1937 [ACCEPTED SPECIES 9893:657M4 nidx=null]
 + Aegerina alomyaeformis Zukowsky, 1936 [ACCEPTED SPECIES 9902:B92NH nidx=null]
Aegerina mesostenos
 - Aegerina mesostenos Zukowsky, 1937 [ACCEPTED SPECIES 9893:64VLR nidx=null]
 + Aegerina mesostenos Zukowsky, 1936 [ACCEPTED SPECIES 9902:B93R4 nidx=null]
Aegerina ovinia
 - Aegerina ovinia (Druce, 1900) [ACCEPTED SPECIES 9893:64VM3 nidx=null]
 + Aegerina ovinia (Druce, 1896) [ACCEPTED SPECIES 9902:B92NJ nidx=null]
Aegerosphecia mysolica
 - Aegerosphecia mysolica (Walker, 1864) [ACCEPTED SPECIES 9893:64VLB nidx=null]
 + Aegerosphecia mysolica (Walker, [1865] ) [ACCEPTED SPECIES 9902:B93R6 nidx=null]
Aethusa makarone
 - Aethusa makarone (Herbst, 1758) [SYNONYM SPECIES 9893:9CNMP nidx=null parent=92YPM]
 + Aethusa makarone (Herbst, 1785) [SYNONYM SPECIES 9902:B93S7 nidx=null parent=3BLVD]
Afrodacarellus
 - Afrodacarellus [ACCEPTED GENUS 9893:629PP nidx=null]
 + Afrodacarellus Hurlbutt, 1974 [ACCEPTED GENUS 9902:B8X92 nidx=null]
Afrogamasellus
 - Afrogamasellus [ACCEPTED GENUS 9893:Q7R nidx=null]
 + Afrogamasellus Loots & Ryke, 1968 [ACCEPTED GENUS 9902:B8XBN nidx=null]
Agaricus braendlei subsp. annetteae
 - Agaricus braendlei subsp. annetteae (Kerrigan) Kerrigan [SYNONYM SUBSPECIES 9893:5FFS3 nidx=null parent=65M84]
 + Agaricus braendlei subsp. annetteae (Kerrigan) Kerrigan [SYNONYM SUBSPECIES 9902:BBFDY nidx=null parent=65M84]
Agaricus porphyrocephalus subsp. alpinus
 - Agaricus porphyrocephalus subsp. alpinus Cappelli, Bizio, L.A. Parra & Kerrigan [SYNONYM SUBSPECIES 9893:5FFT3 nidx=null parent=5TP5X]
 + Agaricus porphyrocephalus subsp. alpinus Cappelli, Bizio, L.A. Parra & Kerrigan [SYNONYM SUBSPECIES 9902:BBFDZ nidx=null parent=5TP5X]
Agaricus sylvicola var. squarrosus
 - Agaricus sylvicola var. squarrosus Nauta [SYNONYM VARIETY 9893:5M384 nidx=null parent=5TPQK]
 + Agaricus sylvicola var. squarrosus Nauta [SYNONYM VARIETY 9902:BBKQ6 nidx=null parent=5TPQK]
Agrostis perennans var. aestivalis
 - Agrostis perennans var. aestivalis Vasey [SYNONYM VARIETY 9893:5M46Y nidx=null parent=B9ZJ]
 + Agrostis perennans var. aestivalis Vasey [SYNONYM VARIETY 9902:BBKQ7 nidx=null parent=B9ZJ]
Agrostis stolonifera var. pseudopungens
 - Agrostis stolonifera var. pseudopungens (Lange) Kerguélen [SYNONYM VARIETY 9893:7L92W nidx=null parent=665HP]
 + Agrostis stolonifera var. pseudopungens (Lange) Kerguélen [SYNONYM VARIETY 9902:BBKQ8 nidx=null parent=665HP]
Aira caryophyllea subsp. multiculmis
 - Aira caryophyllea subsp. multiculmis (Dumort.) Bonnier & Layens [SYNONYM SUBSPECIES 9893:7J9BX nidx=null parent=BCWZ]
 - Aira caryophyllea subsp. multiculmis (Dumort.) Corb. [SYNONYM SUBSPECIES 9893:9KZYL nidx=null parent=BCWZ]
 + Aira caryophyllea subsp. multiculmis (Dumort.) Bonnier & Layens [SYNONYM SUBSPECIES 9902:BBFF4 nidx=null parent=BCWZ]
 + Aira caryophyllea subsp. multiculmis (Dumort.) Corb. [SYNONYM SUBSPECIES 9902:BBFF5 nidx=null parent=BCWZ]
Albinaria turrita turrita
 - Albinaria turrita turrita (L. Pfeiffer, 1859) [ACCEPTED SUBSPECIES 9893:7TPTT nidx=null]
 + Albinaria turrita turrita (L. Pfeiffer, 1850) [ACCEPTED SUBSPECIES 9902:BCN8B nidx=null]
Albuna artemisiae
 - Albuna artemisiae Edwards, 1888 [SYNONYM SPECIES 9893:BGTT nidx=null parent=53TH8]
 + Albuna artemisiae Edwards, 1881 [SYNONYM SPECIES 9902:B94CN nidx=null parent=53TH8]
Alcathoe altera
 - Alcathoe altera Zukowsky, 1937 [ACCEPTED SPECIES 9893:BH5Q nidx=null]
 + Alcathoe altera Zukowsky, 1936 [ACCEPTED SPECIES 9902:B92SQ nidx=null]
Alcathoe korites
 - Alcathoe korites (Druce, 1883) [ACCEPTED SPECIES 9893:BH5Y nidx=null]
 + Alcathoe korites (Druce, 1884) [ACCEPTED SPECIES 9902:B92ST nidx=null]
Alliopsis laminata
 - Alliopsis laminata (Zetterstedt, 1837) [ACCEPTED SPECIES 9893:BTV9 nidx=null]
 + Alliopsis laminata (Zetterstedt, 1838) [ACCEPTED SPECIES 9902:B94FL nidx=null]
Allocoenia trochiformis
 - Allocoenia trochiformis Étallon, 1859 [ACCEPTED SPECIES 9893:B8C7N nidx=null]
 + Allocoenia trochiformis (Michelin, 1847) [ACCEPTED SPECIES 9902:BBRK7 nidx=null]
Allogamasellus
 - Allogamasellus [ACCEPTED GENUS 9893:SC2 nidx=null]
 + Allogamasellus Athias-Henriot, 1961 [ACCEPTED GENUS 9902:B8XF6 nidx=null]
Allognosta albifascia
 - Allognosta albifascia Frey, 1960 [ACCEPTED SPECIES 9893:BWPB nidx=null]
 + Allognosta albifascia Frey, 1961 [ACCEPTED SPECIES 9902:B94G6 nidx=null]
Allognosta burmanica
 - Allognosta burmanica Frey, 1960 [ACCEPTED SPECIES 9893:BWPG nidx=null]
 + Allognosta burmanica Frey, 1961 [ACCEPTED SPECIES 9902:B94G7 nidx=null]
Allognosta caloptera
 - Allognosta caloptera Frey, 1960 [ACCEPTED SPECIES 9893:BWPJ nidx=null]
 + Allognosta caloptera Frey, 1961 [ACCEPTED SPECIES 9902:B94G8 nidx=null]
Allognosta flavopleuralis
 - Allognosta flavopleuralis Frey, 1960 [ACCEPTED SPECIES 9893:BWPP nidx=null]
 + Allognosta flavopleuralis Frey, 1961 [ACCEPTED SPECIES 9902:B94G9 nidx=null]
Allognosta foveifrons
 - Allognosta foveifrons Frey, 1960 [SYNONYM SPECIES 9893:BWPQ nidx=null parent=BWPN]
 + Allognosta foveifrons Frey, 1961 [SYNONYM SPECIES 9902:B94GB nidx=null parent=BWPN]
Allognosta japonica
 - Allognosta japonica Frey, 1960 [ACCEPTED SPECIES 9893:668MZ nidx=null]
 + Allognosta japonica Frey, 1961 [ACCEPTED SPECIES 9902:B94GC nidx=null]
Allognosta lativertex
 - Allognosta lativertex Frey, 1960 [ACCEPTED SPECIES 9893:BWPV nidx=null]
 + Allognosta lativertex Frey, 1961 [ACCEPTED SPECIES 9902:B94GD nidx=null]
Allognosta maculipleura
 - Allognosta maculipleura Frey, 1960 [ACCEPTED SPECIES 9893:BWPW nidx=null]
 + Allognosta maculipleura Frey, 1961 [ACCEPTED SPECIES 9902:B92W2 nidx=null]
Allognosta nigripes
 - Allognosta nigripes Frey, 1960 [ACCEPTED SPECIES 9893:BWPY nidx=null]
 + Allognosta nigripes Frey, 1961 [ACCEPTED SPECIES 9902:B94GF nidx=null]
Allognosta philippina
 - Allognosta philippina Frey, 1960 [ACCEPTED SPECIES 9893:BWQ5 nidx=null]
 + Allognosta philippina Frey, 1961 [ACCEPTED SPECIES 9902:B94GG nidx=null]
Allognosta pluchella
 - Allognosta pluchella Frey, 1960 [ACCEPTED SPECIES 9893:BWQ8 nidx=null]
 + Allognosta pluchella Frey, 1961 [ACCEPTED SPECIES 9902:B94GH nidx=null]
Allognosta pulchella
 - Allognosta pulchella Frey, 1960 [SYNONYM SPECIES 9893:87MJH nidx=null parent=BWQ8]
 + Allognosta pulchella Frey, 1961 [SYNONYM SPECIES 9902:B97WM nidx=null parent=B94GH]
Allognosta rufithorax
 - Allognosta rufithorax Frey, 1960 [ACCEPTED SPECIES 9893:BWQ9 nidx=null]
 + Allognosta rufithorax Frey, 1961 [ACCEPTED SPECIES 9902:B94GJ nidx=null]
Allognosta varians
 - Allognosta varians Frey, 1960 [ACCEPTED SPECIES 9893:BWQK nidx=null]
 + Allognosta varians Frey, 1961 [ACCEPTED SPECIES 9902:B94GK nidx=null]
Allomyella borealis
 - Allomyella borealis Curran, 1927 [SYNONYM SPECIES 9893:87MJK nidx=null parent=8H48R]
 + Allomyella borealis Curran, 1927 [ACCEPTED SPECIES 9902:BXJT nidx=null]
Allomyella brevipennis
 - Allomyella brevipennis Malloch, 1923 [SYNONYM SPECIES 9893:87MJL nidx=null parent=8H3JW]
 + Allomyella brevipennis Malloch, 1923 [ACCEPTED SPECIES 9902:6692P nidx=null]
Alopecurus aequalis var. amurensis
 - Alopecurus aequalis var. amurensis (Kom.) Ohwi [SYNONYM VARIETY 9893:5M5QG nidx=null parent=C4ZW]
 + Alopecurus aequalis var. amurensis (Kom.) Ohwi [SYNONYM VARIETY 9902:BBKQF nidx=null parent=C4ZW]
Alvania butonensis
 - Alvania butonensis Beets, 1942 [ACCEPTED SPECIES 9893:CBCN nidx=null]
 + Alvania butonensis Beets, 1943 [ACCEPTED SPECIES 9902:B98YL nidx=null]
Alvania waisiuensis
 - Alvania waisiuensis Beets, 1942 [ACCEPTED SPECIES 9893:CBSL nidx=null]
 + Alvania waisiuensis Beets, 1943 [ACCEPTED SPECIES 9902:B994T nidx=null]
Amanita brunneofuliginea f. ochraceopallida
 - Amanita brunneofuliginea f. ochraceopallida (Contu) Hanss [SYNONYM FORM 9893:9ZL32 nidx=null parent=65ZC3]
 + Amanita brunneofuliginea f. ochraceopallida (Contu) Hanss [SYNONYM FORM 9902:BDH3L nidx=null parent=65ZC3]
Amanita citrina var. grisea
 - Amanita citrina var. grisea (Hongo) Hongo [SYNONYM VARIETY 9893:7KWWK nidx=null parent=5TZD4]
 + Amanita citrina var. grisea (Hongo) Hongo [SYNONYM VARIETY 9902:BBKQM nidx=null parent=5TZD4]
Amanita crocea f. alba
 - Amanita crocea f. alba P. Laurent [SYNONYM FORM 9893:7MSLJ nidx=null parent=65ZDJ]
 + Amanita crocea f. alba P. Laurent [SYNONYM FORM 9902:BBLJ3 nidx=null parent=65ZDJ]
Amanita excelsa var. spissa
 - Amanita excelsa var. spissa (Fr.) Neville & Poumarat [SYNONYM VARIETY 9893:7L97B nidx=null parent=65ZF7]
 + Amanita excelsa var. spissa (Fr.) Neville & Poumarat [SYNONYM VARIETY 9902:BBKQP nidx=null parent=65ZF7]
Amanita muscaria subsp. flavivolvata
 - Amanita muscaria subsp. flavivolvata Singer [SYNONYM SUBSPECIES 9893:5FJJL nidx=null parent=5TYZ9]
 + Amanita muscaria subsp. flavivolvata Singer [SYNONYM SUBSPECIES 9902:BBFF7 nidx=null parent=5TYZ9]
Amanita phalloides f. porrinensis
 - Amanita phalloides f. porrinensis (Freire & M.L. Castro) G. Moreno & Olariaga [SYNONYM FORM 9893:B2WJC nidx=null parent=5TZ2J]
 + Amanita phalloides f. porrinensis (Freire & M.L. Castro) G. Moreno & Olariaga [SYNONYM FORM 9902:BDH3M nidx=null parent=5TZ2J]
Amanita pseudovalens var. tartessiana
 - Amanita pseudovalens var. tartessiana Arraiano-Castilho, A.C. Silva, Vila-Viçosa, M.R. Castro, Morgado & P. Oliveira [SYNONYM VARIETY 9893:B2Y62 nidx=null parent=B2Y5T]
 + Amanita pseudovalens var. tartessiana Arraiano-Castilho, A.C. Silva, Vila-Viçosa, M.R. Castro, Morgado & P. Oliveira [SYNONYM VARIETY 9902:BBKQQ nidx=null parent=B2Y5T]
Amanita sychnopyramis f. subannulata
 - Amanita sychnopyramis f. subannulata Hongo [SYNONYM FORM 9893:9ZL35 nidx=null parent=65Z42]
 + Amanita sychnopyramis f. subannulata Hongo [SYNONYM FORM 9902:BBLJ4 nidx=null parent=65Z42]
Amanita vaginata var. alba
 - Amanita vaginata var. alba (De Seynes) Gillet [SYNONYM VARIETY 9893:5M6JW nidx=null parent=5TYQY]
 + Amanita vaginata var. alba (De Seynes) Gillet [SYNONYM VARIETY 9902:BBKQR nidx=null parent=5TYQY]
Amaurosoma bernasconii
 - Amaurosoma bernasconii Šifner, 2008 [SYNONYM SPECIES 9893:87Q8R nidx=null parent=8H3FN]
 + Amaurosoma bernasconii (Šifner, 2008) [ACCEPTED SPECIES 9902:65ZSP nidx=null]
Amblypsilopus gracilitarse
 - Amblypsilopus gracilitarse (Meijere, 1913) [ACCEPTED SPECIES 9893:89Y5R nidx=null]
 + Amblypsilopus gracilitarse (Meijere, 1914) [ACCEPTED SPECIES 9902:B99JX nidx=null]
Amblypsilopus seticoxa
 - Amblypsilopus seticoxa (Meijere, 1913) [ACCEPTED SPECIES 9893:89Y7T nidx=null]
 + Amblypsilopus seticoxa (Meijere, 1914) [ACCEPTED SPECIES 9902:B99JZ nidx=null]
Amesorhaga mellavana
 - Amesorhaga mellavana (Hollis, 1963) [ACCEPTED SPECIES 9893:89Y95 nidx=null]
 + Amesorhaga mellavana (Hollis, 1964) [ACCEPTED SPECIES 9902:B99KC nidx=null]
Amictus iranicus
 - Amictus iranicus Lindner, 1979 [ACCEPTED SPECIES 9893:CS8B nidx=null]
 + Amictus iranicus Lindner, 1975 [SYNONYM SPECIES 9902:B96XN nidx=null parent=B9NWH]
Amphilectus armatus
 - Amphilectus armatus (Bowerbank, 1866) [SYNONYM SPECIES 9893:D325 nidx=null parent=VS8T]
 + Amphilectus armatus (Bowerbank, 1862) [SYNONYM SPECIES 9902:B96Z3 nidx=null parent=VS8T]
Amphipoda
 - Amphipoda [ACCEPTED ORDER 9893:MP nidx=null]
 + Amphipoda Latreille, 1816 [ACCEPTED ORDER 9902:B8TXX nidx=null]
Anaptychia fusca var. stippaea
 - Anaptychia fusca var. stippaea (Ach.) Anders [SYNONYM VARIETY 9893:9ZL9P nidx=null parent=B332T]
 + Anaptychia fusca var. stippaea (Ach.) Anders [SYNONYM VARIETY 9902:BDG6H nidx=null parent=B332T]
Anchinothria pourtalesii
 - Anchinothria pourtalesii (Ehlers, 1887) [ACCEPTED SPECIES 9893:DKMG nidx=null]
 + Anchinothria pourtalesii (Ehlers, 1879) [ACCEPTED SPECIES 9902:B99XP nidx=null]
Anguispira strongylodes
 - Anguispira strongylodes (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7Q4BR nidx=null]
 + Anguispira strongylodes (Reeve, 1854) [ACCEPTED SPECIES 9902:B93R3 nidx=null]
Anilocra alloceraea
 - Anilocra alloceraea Koelbel, 1879 [ACCEPTED SPECIES 9893:5V29D nidx=null]
 + Anilocra alloceraea Koelbel, 1878 [ACCEPTED SPECIES 9902:B93R7 nidx=null]
Anoecia (Anoecia) furcata
 - Anoecia (Anoecia) furcata [ACCEPTED SPECIES 9893:B828H nidx=null]
 + Anoecia (Anoecia) furcata [ACCEPTED SPECIES 9902:B93RW nidx=null]
Antennolaelaps
 - Antennolaelaps [ACCEPTED GENUS 9893:X9P nidx=null]
 + Antennolaelaps Womersley, 1956 [ACCEPTED GENUS 9902:B8XB7 nidx=null]
Anthosachne kingiana subsp. multiflora
 - Anthosachne kingiana subsp. multiflora (Banks & Sol. ex Hook.f.) Govaerts [ACCEPTED SUBSPECIES 9893:5FNMN nidx=null]
 + Anthosachne kingiana subsp. multiflora (Banks & Sol. ex Hook.f.) Govaerts [ACCEPTED SUBSPECIES 9902:BBFFW nidx=null]
Anthoxanthum odoratum subsp. nipponicum
 - Anthoxanthum odoratum subsp. nipponicum (Honda) Tzvelev [SYNONYM SUBSPECIES 9893:7JB2S nidx=null parent=5VH3F]
 + Anthoxanthum odoratum subsp. nipponicum (Honda) Tzvelev [SYNONYM SUBSPECIES 9902:BBFFX nidx=null parent=5VH3F]
Anthracomyza
 - Anthracomyza [PROVISIONALLY_ACCEPTED GENUS 9893:9HP46 nidx=null]
 + Anthracomyza [ACCEPTED GENUS 9902:8ZBZQ nidx=null]
Anthracophagella
 - Anthracophagella [PROVISIONALLY_ACCEPTED GENUS 9893:8ZY98 nidx=null]
 + Anthracophagella [ACCEPTED GENUS 9902:XGV nidx=null]
Antidactylaria ampulliformis
 - Antidactylaria ampulliformis (Tubaki) Z.F. Yu, M. Qiao & R.F. Castañeda [ACCEPTED SPECIES 9893:B2M9P nidx=null]
 + Antidactylaria ampulliformis (Tubaki) Z.F. Yu, M. Qiao & R.F. Castañeda [ACCEPTED SPECIES 9902:BCGTN nidx=null]
Aotearomyia adrel
 - Aotearomyia adrel (Walker, 1848) [ACCEPTED SPECIES 9893:9J62M nidx=null]
 + Aotearomyia adrel (Walker, 1850) [ACCEPTED SPECIES 9902:B9MV3 nidx=null]
Aotearomyia lerda
 - Aotearomyia lerda (Walker, 1848) [ACCEPTED SPECIES 9893:9J6S9 nidx=null]
 + Aotearomyia lerda (Walker, 1850) [ACCEPTED SPECIES 9902:B9MV4 nidx=null]
Aperostoma (Cyclohidalgoa) belli haughti
 - Aperostoma (Cyclohidalgoa) belli haughti R. H. Beddome, 1908 [SYNONYM SUBSPECIES 9893:7TQFZ nidx=null parent=7TQGZ]
 + Aperostoma (Cyclohidalgoa) belli haughti Bartsch & J. P. E. Morrison, 1942 [SYNONYM SUBSPECIES 9902:BCNB2 nidx=null parent=BCNB3]
Aperostoma belli haughti
 - Aperostoma belli haughti R. H. Beddome, 1908 [ACCEPTED SUBSPECIES 9893:7TQGZ nidx=null]
 + Aperostoma belli haughti Bartsch & J. P. E. Morrison, 1942 [ACCEPTED SUBSPECIES 9902:BCNB3 nidx=null]
Aphis (Aphis) alienus
 - Aphis (Aphis) alienus [ACCEPTED SPECIES 9893:FDRN nidx=null]
 + Aphis (Aphis) alienus [ACCEPTED SPECIES 9902:B99SD nidx=null]
Aphis (Aphis) cichorea
 - Aphis (Aphis) cichorea [ACCEPTED SPECIES 9893:5VLKC nidx=null]
 + Aphis (Aphis) cichorea [ACCEPTED SPECIES 9902:B99SP nidx=null]
Aphis (Aphis) cisti
 - Aphis (Aphis) cisti [PROVISIONALLY_ACCEPTED SPECIES 9893:67LKC nidx=null]
 + Aphis (Aphis) cisti [PROVISIONALLY_ACCEPTED SPECIES 9902:B99SR nidx=null]
Aphis (Aphis) crinosa
 - Aphis (Aphis) crinosa [ACCEPTED SPECIES 9893:B83DN nidx=null]
 + Aphis (Aphis) crinosa [ACCEPTED SPECIES 9902:B99SX nidx=null]
Aphis (Aphis) gerardianae
 - Aphis (Aphis) gerardianae [ACCEPTED SPECIES 9893:FDWT nidx=null]
 + Aphis (Aphis) gerardianae [ACCEPTED SPECIES 9902:B945W nidx=null]
Aphis (Aphis) inedita
 - Aphis (Aphis) inedita [ACCEPTED SPECIES 9893:B6VM8 nidx=null]
 + Aphis (Aphis) inedita [ACCEPTED SPECIES 9902:B99T8 nidx=null]
Aphis (Aphis) pavlovskii
 - Aphis (Aphis) pavlovskii [ACCEPTED SPECIES 9893:B6VML nidx=null]
 + Aphis (Aphis) pavlovskii [ACCEPTED SPECIES 9902:B99TL nidx=null]
Aphis (Aphis) spiraephaga
 - Aphis (Aphis) spiraephaga [ACCEPTED SPECIES 9893:67LPG nidx=null]
 + Aphis (Aphis) spiraephaga [ACCEPTED SPECIES 9902:B8ZGP nidx=null]
Aphis (Aphis) verae
 - Aphis (Aphis) verae [ACCEPTED SPECIES 9893:B83FT nidx=null]
 + Aphis (Aphis) verae [ACCEPTED SPECIES 9902:B99TZ nidx=null]
Aphis (Doralis) tripolii
 - Aphis (Doralis) tripolii [SYNONYM SPECIES 9893:B82HN nidx=null parent=67LQ2]
 + Aphis (Doralis) tripolii [SYNONYM SPECIES 9902:B9472 nidx=null parent=67LQ2]
Aphis chenophyllum-canadensis
 - Aphis chenophyllum-canadensis Rafinesque, 1817 [SYNONYM SPECIES 9893:B3Q3B nidx=null parent=8QTSM]
 + Aphis chenophyllum-canadensis Rafinesque, 1817 [SYNONYM SPECIES 9902:B9CBF nidx=null parent=8QTSM]
Aphis cracivora
 - Aphis cracivora Koch, 1854 [SYNONYM SPECIES 9893:B6TJ8 nidx=null parent=5DJMH]
 + Aphis cracivora Koch, 1854 [SYNONYM SPECIES 9902:B945K nidx=null parent=5DJMH]
Apolysis minuscula
 - Apolysis minuscula Hesse, 1975 [ACCEPTED SPECIES 9893:5VPFC nidx=null]
 + Apolysis minuscula (Efflatoun, 1945) [ACCEPTED SPECIES 9902:B9499 nidx=null]
Apospasma famelicrum
 - Apospasma famelicrum Hardy, 1921 [SYNONYM SPECIES 9893:FV99 nidx=null parent=3DJKC]
 + Apospasma famelicrum Hardy, 1924 [SYNONYM SPECIES 9902:B9B6Y nidx=null parent=3DJKC]
Arachnanthus bockii
 - Arachnanthus bockii Carlgren, 1924 [ACCEPTED SPECIES 9893:G2VP nidx=null]
 + Arachnanthus bockii Carlgren, 1922 [ACCEPTED SPECIES 9902:B9BFX nidx=null]
Ariophanta martini
 - Ariophanta martini (L. Pfeiffer, 1854) [SYNONYM SPECIES 9893:8VQNK nidx=null parent=7R5WF]
 + Ariophanta martini (Reeve, 1854) [SYNONYM SPECIES 9902:B9DB5 nidx=null parent=BB8L6]
Armadillo cubensis
 - Armadillo cubensis Saussure, 1858 [SYNONYM SPECIES 9893:GRN6 nidx=null parent=328BK]
 + Armadillo cubensis de Saussure, 1857 [SYNONYM SPECIES 9902:B9DBC nidx=null parent=328BK]
Armadillo mirandai
 - Armadillo mirandai [SYNONYM SPECIES 9893:GRPN nidx=null parent=328BG]
 + Armadillo mirandai (Rioja, 1954) [SYNONYM SPECIES 9902:B9DBD nidx=null parent=328BG]
Arthonia cinnabarina f. cuspidans
 - Arthonia cinnabarina f. cuspidans Nyl. [SYNONYM FORM 9893:9ZL39 nidx=null parent=B2MS4]
 + Arthonia cinnabarina f. cuspidans Nyl. [SYNONYM FORM 9902:BBJH8 nidx=null parent=B2MS4]
Arthonia radiata f. astroidea
 - Arthonia radiata f. astroidea (Ach.) Ach. [SYNONYM FORM 9893:5S8XN nidx=null parent=GXLM]
 + Arthonia radiata f. astroidea (Ach.) Ach. [SYNONYM FORM 9902:BBLJ6 nidx=null parent=GXLM]
Arthopyrenia epidermidis var. cinerea
 - Arthopyrenia epidermidis var. cinerea (Fr.) Mudd [SYNONYM VARIETY 9893:B25RZ nidx=null parent=B2T58]
 + Arthopyrenia epidermidis var. cinerea (Fr.) Mudd [SYNONYM VARIETY 9902:BDG6N nidx=null parent=B2T58]
Arundo donax var. versicolor
 - Arundo donax var. versicolor (Mill.) Aiton [SYNONYM VARIETY 9893:9L2HQ nidx=null parent=H3L8]
 + Arundo donax var. versicolor (Mill.) Aiton [SYNONYM VARIETY 9902:BBKRF nidx=null parent=H3L8]
Aschistophleps lampropoda
 - Aschistophleps lampropoda Hampson, 1892 [ACCEPTED SPECIES 9893:H5PM nidx=null]
 + Aschistophleps lampropoda Hampson, [1893] [ACCEPTED SPECIES 9902:B94HD nidx=null]
Aschistophleps melissoides
 - Aschistophleps melissoides Hampson, 1892 [SYNONYM SPECIES 9893:95Z5T nidx=null parent=3LDXD]
 + Aschistophleps melissoides Hampson, [1893] [SYNONYM SPECIES 9902:BCH7B nidx=null parent=BBKVC]
Ascidiacea
 - Ascidiacea [ACCEPTED CLASS 9893:85 nidx=null]
 + Ascidiacea Blainville, 1824 [ACCEPTED CLASS 9902:B8V3N nidx=null]
Asparagus nesiotes subsp. purpuriensis
 - Asparagus nesiotes subsp. purpuriensis Marrero Rodr. & A.Ramos [ACCEPTED SUBSPECIES 9893:9N2ZX nidx=null]
 + Asparagus nesiotes subsp. purpuriensis Marrero Rodr. & A.Ramos [ACCEPTED SUBSPECIES 9902:BBFGR nidx=null]
Aspicilia candida var. flavoreagens
 - Aspicilia candida var. flavoreagens Asta & Cl. Roux [SYNONYM VARIETY 9893:B25S8 nidx=null parent=B2YGQ]
 + Aspicilia candida var. flavoreagens Asta & Cl. Roux [SYNONYM VARIETY 9902:BBKRG nidx=null parent=B2YGQ]
Aspicilia fruticulosa f. taurica
 - Aspicilia fruticulosa f. taurica Mereschk. [SYNONYM FORM 9893:5S964 nidx=null parent=HDNZ]
 + Aspicilia fruticulosa f. taurica Mereschk. [SYNONYM FORM 9902:BBLJ7 nidx=null parent=HDNZ]
Aspidistra arnautovii var. catbaensis
 - Aspidistra arnautovii var. catbaensis (Tillich) Tillich [ACCEPTED VARIETY 9893:5MD88 nidx=null]
 + Aspidistra arnautovii var. catbaensis (Tillich) Tillich [ACCEPTED VARIETY 9902:BBKRH nidx=null]
Aspidistra atroviolacea var. renatae
 - Aspidistra atroviolacea var. renatae (Bräuchler) Tillich & Aver. [ACCEPTED VARIETY 9893:8XCMF nidx=null]
 + Aspidistra atroviolacea var. renatae (Bräuchler) Tillich & Aver. [ACCEPTED VARIETY 9902:BBKRJ nidx=null]
Aspidistra cyathiflora subsp. bifolia
 - Aspidistra cyathiflora subsp. bifolia (Aver., Tillich & K.S.Nguyen) Tillich & Aver. [ACCEPTED SUBSPECIES 9893:8XBGT nidx=null]
 + Aspidistra cyathiflora subsp. bifolia (Aver., Tillich & K.S.Nguyen) Tillich & Aver. [ACCEPTED SUBSPECIES 9902:BBFGV nidx=null]
Aspidistra elatior subsp. cephalostigma
 - Aspidistra elatior subsp. cephalostigma N.Tanaka [ACCEPTED SUBSPECIES 9893:8XBGX nidx=null]
 + Aspidistra elatior subsp. cephalostigma N.Tanaka [ACCEPTED SUBSPECIES 9902:BBFGW nidx=null]
Aspidistra heterocarpa var. echinata
 - Aspidistra heterocarpa var. echinata Aver., Tillich & T.A.Le [ACCEPTED VARIETY 9893:8XCMG nidx=null]
 + Aspidistra heterocarpa var. echinata Aver., Tillich & T.A.Le [ACCEPTED VARIETY 9902:BBKRK nidx=null]
Aspidistra paucitepala subsp. parviflora
 - Aspidistra paucitepala subsp. parviflora (N.S.Lý & Tillich) Tillich & Aver. [ACCEPTED SUBSPECIES 9893:8XBGY nidx=null]
 + Aspidistra paucitepala subsp. parviflora (N.S.Lý & Tillich) Tillich & Aver. [ACCEPTED SUBSPECIES 9902:BBFGX nidx=null]
Aspidistra tillichiana var. latifolia
 - Aspidistra tillichiana var. latifolia Aver. & Tillich [ACCEPTED VARIETY 9893:8XCMJ nidx=null]
 + Aspidistra tillichiana var. latifolia Aver. & Tillich [ACCEPTED VARIETY 9902:BBKRL nidx=null]
Aspidistra tonkinensis var. compacta
 - Aspidistra tonkinensis var. compacta Aver. & Tillich [ACCEPTED VARIETY 9893:8XCML nidx=null]
 + Aspidistra tonkinensis var. compacta Aver. & Tillich [ACCEPTED VARIETY 9902:BBKRM nidx=null]
Assilina
 - Assilina [ACCEPTED SUBGENUS 9893:7NRGR nidx=null]
 + Assilina d'Orbigny, 1839 [PROVISIONALLY_ACCEPTED GENUS 9902:B93SJ nidx=null]
 + Assilina d'Orbigny, 1839 [PROVISIONALLY_ACCEPTED GENUS 9902:B93SK nidx=null]
Asteroidea
 - Asteroidea [ACCEPTED CLASS 9893:86 nidx=null]
 + Asteroidea de Blainville, 1830 [ACCEPTED CLASS 9902:B8V3P nidx=null]
Asycampta
 - Asycampta [ACCEPTED SUBGENUS 9893:89RXM nidx=null]
 + Asycampta [ACCEPTED GENUS 9902:B93SM nidx=null]
Atarba (Ischnothrix)
 - Atarba (Ischnothrix) Bigot, 1888 [ACCEPTED SUBGENUS 9893:8GZ7T nidx=null]
 + Atarba (Ischnothrix) Bigot, 1888 [ACCEPTED SUBGENUS 9902:B8ZPM nidx=null]
Athiasella
 - Athiasella [ACCEPTED GENUS 9893:34ZV nidx=null]
 + Athiasella Lee, 1973 [ACCEPTED GENUS 9902:B8XCV nidx=null]
Atretia gnomon
 - Atretia gnomon Jeffreys, 1876 [SYNONYM SPECIES 9893:688DG nidx=null parent=ZZ2R]
 + Atretia gnomon (Jeffreys, 1869) [SYNONYM SPECIES 9902:B8VPV nidx=null parent=ZZ2R]
Atrichopogon wuyishanicus
 - Atrichopogon wuyishanicus Huang, Cai, Yang, Wang & Yu, 2009 [ACCEPTED SPECIES 9893:9HYR8 nidx=null]
 + Atrichopogon wuyishanicus Huang, Cai, Yang, Lin, Wang & Yu, 2010 [ACCEPTED SPECIES 9902:B9MVC nidx=null]
Atylotus hyalicosta
 - Atylotus hyalicosta Teskey, 1985 [ACCEPTED SPECIES 9893:JNNQ nidx=null]
 + Atylotus hyalicosta Teskey, 1984 [ACCEPTED SPECIES 9902:B96WK nidx=null]
Atylotus palus
 - Atylotus palus Teskey, 1985 [ACCEPTED SPECIES 9893:JNPW nidx=null]
 + Atylotus palus Teskey, 1984 [ACCEPTED SPECIES 9902:B96WL nidx=null]
Atylotus sphagnicola
 - Atylotus sphagnicola Teskey, 1985 [ACCEPTED SPECIES 9893:JNQH nidx=null]
 + Atylotus sphagnicola Teskey, 1984 [ACCEPTED SPECIES 9902:B96WM nidx=null]
Aulena lamellosa
 - Aulena lamellosa Lendenfeld, 1886 [SYNONYM SPECIES 9893:JRPK nidx=null parent=3M9PY]
 + Aulena lamellosa Lendenfeld, 1889 [SYNONYM SPECIES 9902:B9JWW nidx=null parent=3M9PY]
Australicythere paenepolylyca
 - Australicythere paenepolylyca Hartmann, 1993 [ACCEPTED SPECIES 9893:67XN5 nidx=null]
 + Australicythere paenepolylyca Hartmann, 1992 [ACCEPTED SPECIES 9902:B9LFM nidx=null]
Austroselenites euspira
 - Austroselenites euspira (L. Pfeiffer, 1855) [SYNONYM SPECIES 9893:879FT nidx=null parent=7RHBM]
 + Austroselenites euspira (Reeve, 1854) [SYNONYM SPECIES 9902:B9LH5 nidx=null parent=BBJDH]
Autonoe websteri
 - Autonoe websteri Sars, 1894 [SYNONYM SPECIES 9893:JZHY nidx=null parent=6P92P]
 + Autonoe websteri (Spence Bate, 1857) [SYNONYM SPECIES 9902:B9LHZ nidx=null parent=6P92P]
Avena sterilis subsp. ludoviciana
 - Avena sterilis subsp. ludoviciana (Durieu) Nyman [ACCEPTED SUBSPECIES 9893:9KZ4H nidx=null]
 + Avena sterilis subsp. ludoviciana (Durieu) Nyman [ACCEPTED SUBSPECIES 9902:BBFKK nidx=null]
Bacidia effusa f. hemipolia
 - Bacidia effusa f. hemipolia Nyl. ex A.L. Sm. [SYNONYM FORM 9893:B2PG3 nidx=null parent=LQLW]
 + Bacidia effusa f. hemipolia Nyl. ex A.L. Sm. [SYNONYM FORM 9902:BDGQQ nidx=null parent=LQLW]
Bacidia incompta var. atrosanguinea
 - Bacidia incompta var. atrosanguinea (Schaer.) Mudd [SYNONYM VARIETY 9893:B2P67 nidx=null parent=7CGDP]
 + Bacidia incompta var. atrosanguinea (Schaer.) Mudd [SYNONYM VARIETY 9902:BDG8N nidx=null parent=7CGDP]
Bacidia rubella var. porriginosa
 - Bacidia rubella var. porriginosa (Turner) H. Olivier [SYNONYM VARIETY 9893:7LBNZ nidx=null parent=5VYCW]
 + Bacidia rubella var. porriginosa (Turner) H. Olivier [SYNONYM VARIETY 9902:BBKT8 nidx=null parent=5VYCW]
Baramia quadrispina
 - Baramia quadrispina Banks, 1930 [ACCEPTED SPECIES 9893:7SBPX nidx=null]
 + Baramia quadrispina Roewer, 1949 [ACCEPTED SPECIES 9902:B96ZD nidx=null]
Baseodiscus ophiocephalus
 - Baseodiscus ophiocephalus ? [SYNONYM SPECIES 9893:B847V nidx=null parent=39JVV]
 + Baseodiscus ophiocephalus ? [SYNONYM SPECIES 9902:B9LK4 nidx=null parent=39JVV]
Beifangitendipes
 - Beifangitendipes [PROVISIONALLY_ACCEPTED GENUS 9893:9HLNW nidx=null]
 + Beifangitendipes [ACCEPTED GENUS 9902:8Z8B7 nidx=null]
Bellevalia zoharyi var. pyricarpa
 - Bellevalia zoharyi var. pyricarpa (Feinbrun) Feinbrun [ACCEPTED VARIETY 9893:5MJTY nidx=null]
 + Bellevalia zoharyi var. pyricarpa (Feinbrun) Feinbrun [ACCEPTED VARIETY 9902:BBKTB nidx=null]
Bellorchestia tumida
 - Bellorchestia tumida (Thomson, 1885) [ACCEPTED SPECIES 9893:5WH56 nidx=null]
 + Bellorchestia tumida (Stebbing, 1887) [SYNONYM SPECIES 9902:B972K nidx=null parent=BDLBZ]
Bembecia daghestanica
 - Bembecia daghestanica Gorbunov, 1992 [ACCEPTED SPECIES 9893:963DX nidx=null]
 + Bembecia daghestanica Gorbunov, 1991 [SYNONYM SPECIES 9902:BCJ67 nidx=null parent=B9737]
Bembecia fibigeri
 - Bembecia fibigeri La tuvka & La tuvka, 1994 [ACCEPTED SPECIES 9893:948JY nidx=null]
 + Bembecia fibigeri Laštuvka & Laštuvka, 1994 [ACCEPTED SPECIES 9902:B972W nidx=null]
Bembecia fortis
 - Bembecia fortis Diakonoff, 1967 [ACCEPTED SPECIES 9893:5WGL5 nidx=null]
 + Bembecia fortis Diakonoff, [1968] [SYNONYM SPECIES 9902:B9LNP nidx=null parent=BDH3Z]
Bembecia gegamica
 - Bembecia gegamica Gorbunov, 1992 [ACCEPTED SPECIES 9893:963F2 nidx=null]
 + Bembecia gegamica Gorbunov, 1991 [ACCEPTED SPECIES 9902:BCJ69 nidx=null]
Bembecia jakuta
 - Bembecia jakuta (Herz, 1904) [ACCEPTED SPECIES 9893:963F6 nidx=null]
 + Bembecia jakuta (Herz, 1903) [ACCEPTED SPECIES 9902:B972Y nidx=null]
Bembecia karategina
 - Bembecia karategina patenka, 1997 [ACCEPTED SPECIES 9893:963F8 nidx=null]
 + Bembecia karategina Špatenka, 1997 [SYNONYM SPECIES 9902:BDGWJ nidx=null parent=963FV]
Bembecia puella
 - Bembecia puella La tuvka, 1989 [ACCEPTED SPECIES 9893:959NT nidx=null]
 + Bembecia puella Laštuvka, 1989 [ACCEPTED SPECIES 9902:B9737 nidx=null]
Bembecia stiziformis
 - Bembecia stiziformis (Herrich-Schäffer, 1851) [ACCEPTED SPECIES 9893:959NV nidx=null]
 + Bembecia stiziformis (Herrich-Schäffer, [1852] ) [ACCEPTED SPECIES 9902:B9739 nidx=null]
Bembecia syzcjovi
 - Bembecia syzcjovi Gorbunov, 1989 [ACCEPTED SPECIES 9893:963G2 nidx=null]
 + Bembecia syzcjovi Gorbunov, 1990 [ACCEPTED SPECIES 9902:BCJ6Q nidx=null]
Bembecia uroceriformis armoricana
 - Bembecia uroceriformis armoricana (Oberthür, 1906) [ACCEPTED SUBSPECIES 9893:98QVK nidx=null]
 + Bembecia uroceriformis armoricana (Oberthür, [1907] ) [ACCEPTED SUBSPECIES 9902:BDDMX nidx=null]
Bembecia volgensis
 - Bembecia volgensis Gorbunov, 1994 [ACCEPTED SPECIES 9893:959NW nidx=null]
 + Bembecia volgensis Gorbunov, 1995 [ACCEPTED SPECIES 9902:B973F nidx=null]
Beris burmanica
 - Beris burmanica Frey, 1960 [ACCEPTED SPECIES 9893:LL3B nidx=null]
 + Beris burmanica Frey, 1961 [ACCEPTED SPECIES 9902:B9LQ2 nidx=null]
Beris dolichocera
 - Beris dolichocera Frey, 1960 [ACCEPTED SPECIES 9893:LL3K nidx=null]
 + Beris dolichocera Frey, 1961 [ACCEPTED SPECIES 9902:B9LQ3 nidx=null]
Beris excellens
 - Beris excellens Frey, 1960 [ACCEPTED SPECIES 9893:LL3N nidx=null]
 + Beris excellens Frey, 1961 [ACCEPTED SPECIES 9902:B9LQ4 nidx=null]
Beris luteistigma
 - Beris luteistigma Frey, 1960 [ACCEPTED SPECIES 9893:LL4J nidx=null]
 + Beris luteistigma Frey, 1961 [ACCEPTED SPECIES 9902:B9LQ5 nidx=null]
Beris malaisei
 - Beris malaisei Frey, 1960 [ACCEPTED SPECIES 9893:LL4K nidx=null]
 + Beris malaisei Frey, 1961 [ACCEPTED SPECIES 9902:B9LQ6 nidx=null]
Beris petiolata
 - Beris petiolata Frey, 1960 [SYNONYM SPECIES 9893:LL52 nidx=null parent=LL3W]
 + Beris petiolata Frey, 1961 [SYNONYM SPECIES 9902:B9LQ7 nidx=null parent=LL3W]
Beris pulchripennis
 - Beris pulchripennis Frey, 1960 [ACCEPTED SPECIES 9893:LL54 nidx=null]
 + Beris pulchripennis Frey, 1961 [ACCEPTED SPECIES 9902:B9LQ8 nidx=null]
Biatora meiocarpa var. tacomensis
 - Biatora meiocarpa var. tacomensis (Printzen & Tønsberg) Printzen & Tønsberg [SYNONYM VARIETY 9893:5MKQG nidx=null parent=LQNS]
 + Biatora meiocarpa var. tacomensis (Printzen & Tønsberg) Printzen & Tønsberg [SYNONYM VARIETY 9902:BBKTD nidx=null parent=LQNS]
Biatora vernalis f. conglomerata
 - Biatora vernalis f. conglomerata (Hoffm.) Fr. [SYNONYM FORM 9893:B25SS nidx=null parent=6F7WJ]
 + Biatora vernalis f. conglomerata (Hoffm.) Fr. [SYNONYM FORM 9902:BBLJC nidx=null parent=6F7WJ]
Biatora vernalis var. pineti
 - Biatora vernalis var. pineti (Ach.) Tuck. [SYNONYM VARIETY 9893:B2PF6 nidx=null parent=5ZJWG]
 + Biatora vernalis var. pineti (Ach.) Tuck. [SYNONYM VARIETY 9902:BDG8P nidx=null parent=5ZJWG]
Biscogniauxia divergens var. macrospora
 - Biscogniauxia divergens var. macrospora (J.H. Mill.) Whalley & Læssøe [SYNONYM VARIETY 9893:5ML7F nidx=null parent=LWKS]
 + Biscogniauxia divergens var. macrospora (J.H. Mill.) Whalley & Læssøe [SYNONYM VARIETY 9902:BBKTF nidx=null parent=LWKS]
Bispinicercia liupanensis
 - Bispinicercia liupanensis Su & Liu, 2009 [SYNONYM SPECIES 9893:8B7B5 nidx=null parent=8D3KW]
 + Bispinicercia liupanensis Su & Liu, 2010 [SYNONYM SPECIES 9902:B9M53 nidx=null parent=B9V4R]
Blastenia ferruginea var. cinnamomea
 - Blastenia ferruginea var. cinnamomea (Th. Fr.) Lynge [SYNONYM VARIETY 9893:B2PBF nidx=null parent=B3345]
 + Blastenia ferruginea var. cinnamomea (Th. Fr.) Lynge [SYNONYM VARIETY 9902:BDG8R nidx=null parent=B3345]
Bochusacea
 - Bochusacea [ACCEPTED ORDER 9893:TQ nidx=null]
 + Bochusacea Gutu & Iliffe, 1998 [ACCEPTED ORDER 9902:B8VDX nidx=null]
Bolbaster
 - Bolbaster [ACCEPTED SUBGENUS 9893:3B5R nidx=null]
 + Bolbaster Pomel, 1869 [PROVISIONALLY_ACCEPTED GENUS 9902:B8VQ4 nidx=null]
Bombylius (Bombylius) trichurus
 - Bombylius (Bombylius) trichurus Pallas, 1818 [ACCEPTED SPECIES 9893:8B85N nidx=null]
 + Bombylius (Bombylius) trichurus Wiedemann, 1818 [ACCEPTED SPECIES 9902:B97C3 nidx=null]
Bombylius trichurus
 - Bombylius trichurus Pallas, 1818 [SYNONYM SPECIES 9893:882K9 nidx=null parent=8B85N]
 + Bombylius trichurus Wiedemann, 1818 [SYNONYM SPECIES 9902:B97C4 nidx=null parent=B97C3]
Bombylius viaticus
 - Bombylius viaticus Wiedemann, 1758 [SYNONYM SPECIES 9893:9HZ36 nidx=null parent=9H82C]
 + Bombylius viaticus Wiedemann, 1818 [SYNONYM SPECIES 9902:B9MVV nidx=null parent=9H82C]
Botryostrobus auritus
 - Botryostrobus auritus (Ehrenberg, 1844) [SYNONYM SPECIES 9893:MQG6 nidx=null parent=MQG7]
 + Botryostrobus auritus (Ehrenberg, 1844) [SYNONYM SPECIES 9902:B8W8L nidx=null parent=MQG7]
Brachiopoda
 - Brachiopoda [ACCEPTED PHYLUM 9893:622CF nidx=null]
 + Brachiopoda Duméril, 1805 [ACCEPTED PHYLUM 9902:B8V3J nidx=null]
Brachycaudus (Acaudus)
 - Brachycaudus (Acaudus) [SYNONYM SUBGENUS 9893:B6NWY nidx=null parent=8Q5ST]
 + Brachycaudus (Acaudus) [SYNONYM SUBGENUS 9902:B8X6Q nidx=null parent=8Q5ST]
Brachypoda
 - Brachypoda [ACCEPTED ORDER 9893:6228H nidx=null]
 + Brachypoda Birshteyn, 1960 [ACCEPTED ORDER 9902:B8VDY nidx=null]
Brachypodium pinnatum subsp. caespitosum
 - Brachypodium pinnatum subsp. caespitosum (Host) Hack. [SYNONYM SUBSPECIES 9893:9N862 nidx=null parent=MYMG]
 + Brachypodium pinnatum subsp. caespitosum (Host) Hack. [SYNONYM SUBSPECIES 9902:BBFLB nidx=null parent=MYMG]
Brachyura
 - Brachyura [ACCEPTED INFRAORDER 9893:8HBP5 nidx=null]
 + Brachyura Latreille, 1802 [ACCEPTED INFRAORDER 9902:B8WM3 nidx=null]
Bradybaena ravida redfieldi
 - Bradybaena ravida redfieldi (L. Pfeiffer, 1852) [SYNONYM SUBSPECIES 9893:8L964 nidx=null parent=8LV5K]
 + Bradybaena ravida redfieldi (Reeve, 1852) [SYNONYM SUBSPECIES 9902:BCNDV nidx=null parent=B927Y]
Brodiaea terrestris subsp. kernensis
 - Brodiaea terrestris subsp. kernensis (Hoover) Niehaus [ACCEPTED SUBSPECIES 9893:5G2D4 nidx=null]
 + Brodiaea terrestris subsp. kernensis (Hoover) Niehaus [ACCEPTED SUBSPECIES 9902:BBFLH nidx=null]
Bromus carinatus var. californicus
 - Bromus carinatus var. californicus Shear [SYNONYM VARIETY 9893:5MNGV nidx=null parent=NCVX]
 + Bromus carinatus var. californicus Shear [SYNONYM VARIETY 9902:BBKTR nidx=null parent=NCVX]
Bromus hordeaceus subsp. thominei
 - Bromus hordeaceus subsp. thominei (Hardouin) Braun-Blanq. [ACCEPTED SUBSPECIES 9893:9KSHQ nidx=null]
 + Bromus hordeaceus subsp. thominei (Hardouin) Braun-Blanq. [ACCEPTED SUBSPECIES 9902:BBFLJ nidx=null]
Bromus sitchensis var. aleutensis
 - Bromus sitchensis var. aleutensis (Trin. ex Griseb.) Hultén [ACCEPTED VARIETY 9893:5MNYT nidx=null]
 + Bromus sitchensis var. aleutensis (Trin. ex Griseb.) Hultén [ACCEPTED VARIETY 9902:BBKTS nidx=null]
Bryobilimbia ahlesii var. nemoralis
 - Bryobilimbia ahlesii var. nemoralis (J. Lowe) Fryday, Printzen & S. Ekman [SYNONYM VARIETY 9893:5MP6C nidx=null parent=NHLC]
 + Bryobilimbia ahlesii var. nemoralis (J. Lowe) Fryday, Printzen & S. Ekman [SYNONYM VARIETY 9902:BBKTT nidx=null parent=NHLC]
Bubalocerus
 - Bubalocerus Matjasic, 1958 [ACCEPTED GENUS 9893:7NR8Z nidx=null]
 + Bubalocerus Matjašič, 1957 [ACCEPTED GENUS 9902:B8XSX nidx=null]
Bubalocerus preineri
 - Bubalocerus preineri Matjasic, 1958 [ACCEPTED SPECIES 9893:NKLB nidx=null]
 + Bubalocerus preineri Matjašič, 1957 [ACCEPTED SPECIES 9902:B9N9J nidx=null]
Buellia disciformis var. cinereoferruginea
 - Buellia disciformis var. cinereoferruginea (C. Knight ex Shirley) Zahlbr. [SYNONYM VARIETY 9893:7LCHJ nidx=null parent=NNDP]
 + Buellia disciformis var. cinereoferruginea (C. Knight ex Shirley) Zahlbr. [SYNONYM VARIETY 9902:BBKTV nidx=null parent=NNDP]
Bulimus (Helicteres) byronensis
 - Bulimus (Helicteres) byronensis H. Beck, 1837 [SYNONYM SPECIES 9893:8NCLK nidx=null parent=84684]
 + Bulimus (Helicteres) byronensis [sic] [SYNONYM SPECIES 9902:B9NGZ nidx=null parent=84684]
Bulimus belcheri
 - Bulimus belcheri L. Pfeiffer, 1851 [SYNONYM SPECIES 9893:7QFZM nidx=null parent=7RJDW]
 + Bulimus belcheri L. Pfeiffer, 1853 [SYNONYM SPECIES 9902:B9NH2 nidx=null parent=BBJHW]
Bulimus glaucophthalmus
 - Bulimus glaucophthalmus L. Pfeiffer, 1851 [SYNONYM SPECIES 9893:8MVZZ nidx=null parent=7RJG4]
 + Bulimus glaucophthalmus L. Pfeiffer, 1853 [SYNONYM SPECIES 9902:B9NH4 nidx=null parent=BBJJ2]
Bulimus harrisii
 - Bulimus harrisii Reeve, 1858 [SYNONYM SPECIES 9893:873WY nidx=null parent=86YY2]
 + Bulimus harrisii Reeve, 1850 [SYNONYM SPECIES 9902:B9NH5 nidx=null parent=86YY2]
Bulimus microdon
 - Bulimus microdon L. Pfeiffer, 1851 [SYNONYM SPECIES 9893:87BCK nidx=null parent=86B9B]
 + Bulimus microdon L. Pfeiffer, 1853 [SYNONYM SPECIES 9902:B9NH6 nidx=null parent=B9STQ]
Bullia (Adinus) provecta
 - Bullia (Adinus) provecta Beets, 1942 [SYNONYM SPECIES 9893:5WRV3 nidx=null parent=6947W]
 + Bullia (Adinus) provecta Beets, 1943 [SYNONYM SPECIES 9902:B9NH9 nidx=null parent=B9NH8]
Bullia provecta
 - Bullia provecta Beets, 1942 [ACCEPTED SPECIES 9893:6947W nidx=null]
 + Bullia provecta Beets, 1943 [ACCEPTED SPECIES 9902:B9NH8 nidx=null]
Calappe marmorata
 - Calappe marmorata (Fabricius, 1798) [SYNONYM SPECIES 9893:994CY nidx=null parent=696CZ]
 + Calappe marmorata [SYNONYM SPECIES 9902:BBS5X nidx=null parent=PFR7]
Calappoidea
 - Calappoidea De Haan, 1833 [ACCEPTED SUPERFAMILY 9893:7NFM7 nidx=null]
 + Calappoidea De Haan, 1833 [ACCEPTED SUPERFAMILY 9902:B8WMH nidx=null]
Calicium salicinum f. xylonellum
 - Calicium salicinum f. xylonellum (Ach.) Sandst. [SYNONYM FORM 9893:9ZLDQ nidx=null parent=695XK]
 + Calicium salicinum f. xylonellum (Ach.) Sandst. [SYNONYM FORM 9902:BBLJD nidx=null parent=695XK]
Calicium viride f. leprosa
 - Calicium viride f. leprosa Nádv. [SYNONYM FORM 9893:7MTY6 nidx=null parent=5WTXQ]
 + Calicium viride f. leprosa Nádv. [SYNONYM FORM 9902:BBLJF nidx=null parent=5WTXQ]
Calicium viride var. baliolum
 - Calicium viride var. baliolum (Ach.) Oxner [SYNONYM VARIETY 9893:5MQZ4 nidx=null parent=5WTXQ]
 + Calicium viride var. baliolum (Ach.) Oxner [SYNONYM VARIETY 9902:BBKTW nidx=null parent=5WTXQ]
Caliphis
 - Caliphis [ACCEPTED GENUS 9893:3F9Y nidx=null]
 + Caliphis Lee, 1970 [ACCEPTED GENUS 9902:B8XHY nidx=null]
Callopisma cerinum var. boreale
 - Callopisma cerinum var. boreale (Vain.) Räsänen [SYNONYM VARIETY 9893:9ZK44 nidx=null parent=B2S3B]
 + Callopisma cerinum var. boreale (Vain.) Räsänen [SYNONYM VARIETY 9902:BDH32 nidx=null parent=B2S3B]
Callopisma cerinum var. ehrhartii
 - Callopisma cerinum var. ehrhartii Körb. [SYNONYM VARIETY 9893:B25TF nidx=null parent=PZSY]
 + Callopisma cerinum var. ehrhartii Körb. [SYNONYM VARIETY 9902:BDG92 nidx=null parent=PZSY]
Callozostron bayeri
 - Callozostron bayeri Cairns, 2015 [ACCEPTED SPECIES 9893:PW86 nidx=null]
 + Callozostron bayeri Cairns, 2016 [ACCEPTED SPECIES 9902:B9NW7 nidx=null]
Calobata rufithorax
 - Calobata rufithorax Meijere, 1924 [SYNONYM SPECIES 9893:PWWW nidx=null parent=9JLPD]
 - Calobata rufithorax (Meijere, 1924) [PROVISIONALLY_ACCEPTED SPECIES 9893:9JLPD nidx=null]
 + Calobata rufithorax (Hennig, 1938) [ACCEPTED SPECIES 9902:B9N24 nidx=null]
Calocera glossoides var. spathulata
 - Calocera glossoides var. spathulata Berk. ex Sacc. [SYNONYM VARIETY 9893:9ZQRN nidx=null parent=PX5F]
 + Calocera glossoides var. spathulata Berk. ex Sacc. [SYNONYM VARIETY 9902:BBKTX nidx=null parent=PX5F]
Calocochlea zonifera circe
 - Calocochlea zonifera circe (L. Pfeiffer, 1854) [ACCEPTED SUBSPECIES 9893:7TRFR nidx=null]
 + Calocochlea zonifera circe (Reeve, 1853) [ACCEPTED SUBSPECIES 9902:BCPNG nidx=null]
Caloplaca cerina var. cyanolepra
 - Caloplaca cerina var. cyanolepra (DC.) J. Kickx f. [SYNONYM VARIETY 9893:5MRMF nidx=null parent=PZSY]
 + Caloplaca cerina var. cyanolepra (DC.) J. Kickx f. [SYNONYM VARIETY 9902:BBKTY nidx=null parent=PZSY]
Caloplaca lithophila var. elaeophora
 - Caloplaca lithophila var. elaeophora E.S. Hansen, Poelt & Søchting [SYNONYM VARIETY 9893:5MRNY nidx=null parent=PZV2]
 + Caloplaca lithophila var. elaeophora E.S. Hansen, Poelt & Søchting [SYNONYM VARIETY 9902:BBKTZ nidx=null parent=PZV2]
Caloplaca lithophila var. pyrithroma
 - Caloplaca lithophila var. pyrithroma (Ach.) B. de Lesd. [SYNONYM VARIETY 9893:5MRNZ nidx=null parent=J9LZ]
 + Caloplaca lithophila var. pyrithroma (Ach.) B. de Lesd. [SYNONYM VARIETY 9902:BBKV2 nidx=null parent=J9LZ]
Caloplaca saxicola subsp. biatorinoides
 - Caloplaca saxicola subsp. biatorinoides Clauzade & Cl. Roux [SYNONYM SUBSPECIES 9893:B25Q7 nidx=null parent=B2X9W]
 + Caloplaca saxicola subsp. biatorinoides Clauzade & Cl. Roux [SYNONYM SUBSPECIES 9902:BBFLQ nidx=null parent=B2X9W]
Campiglossa contingens
 - Campiglossa contingens (Becker, 1908) [ACCEPTED SPECIES 9893:QCMW nidx=null]
 + Campiglossa contingens (Becker, 1907) [ACCEPTED SPECIES 9902:B9N2Y nidx=null]
Canace snodgrassi
 - Canace snodgrassi Wirth, 1956 [SYNONYM SPECIES 9893:5WXR7 nidx=null parent=QJ6G]
 + Canace snodgrassi Cresson, 1926 [SYNONYM SPECIES 9902:B9N35 nidx=null parent=QJ6G]
Cancer aculeatus
 - Cancer aculeatus Herbst, 1790 [SYNONYM SPECIES 9893:8TNVM nidx=null parent=84BGY]
 + Cancer aculeatus Fabricius, 1793 [AMBIGUOUS_SYNONYM SPECIES 9902:QK6Y nidx=null parent=84BGY]
 + Cancer aculeatus Herbst, 1790 [AMBIGUOUS_SYNONYM SPECIES 9902:QK6Z nidx=null parent=84BGY]
Cancer novaezealandiae
 - Cancer novaezealandiae (Jacquinot, 1853) [SYNONYM SPECIES 9893:84CZF nidx=null parent=428X4]
 + Cancer novaezealandiae (Hombron & Jacquinot, 1846) [SYNONYM SPECIES 9902:B9P7W nidx=null parent=428X4]
Candelariella vitellina f. flavovirella
 - Candelariella vitellina f. flavovirella (Nyl.) Alb. Hend. [SYNONYM FORM 9893:5SBCB nidx=null parent=QKWP]
 + Candelariella vitellina f. flavovirella (Nyl.) Alb. Hend. [SYNONYM FORM 9902:BBLJG nidx=null parent=QKWP]
Candelariella vitellina var. corrusca
 - Candelariella vitellina var. corrusca (Ach.) Ozenda & Clauzade [SYNONYM VARIETY 9893:7LDB9 nidx=null parent=QKXF]
 + Candelariella vitellina var. corrusca (Ach.) Ozenda & Clauzade [SYNONYM VARIETY 9902:BBKV3 nidx=null parent=QKXF]
Cantharellus alborufescens f. lilacinopruinatus
 - Cantharellus alborufescens f. lilacinopruinatus (Hermitte, Eyssart. & Poumarat) Blanco-Dios [SYNONYM FORM 9893:B2RXT nidx=null parent=QMJG]
 + Cantharellus alborufescens f. lilacinopruinatus (Hermitte, Eyssart. & Poumarat) Blanco-Dios [SYNONYM FORM 9902:BBLJH nidx=null parent=QMJG]
Cantharellus subincarnatus subsp. rubrosalmoneus
 - Cantharellus subincarnatus subsp. rubrosalmoneus Buyck & V. Hofst. [SYNONYM SUBSPECIES 9893:5G73B nidx=null parent=QMSS]
 + Cantharellus subincarnatus subsp. rubrosalmoneus Buyck & V. Hofst. [SYNONYM SUBSPECIES 9902:BBFLV nidx=null parent=QMSS]
Caphyra rotundifrons
 - Caphyra rotundifrons (A. Milne-Edwards, 1869) [SYNONYM SPECIES 9893:7TBGL nidx=null parent=84HF5]
 + Caphyra rotundifrons (A. Milne-Edwards, 1869) [ACCEPTED SPECIES 9902:QQ8X nidx=null]
Capnoptera
 - Capnoptera [PROVISIONALLY_ACCEPTED GENUS 9893:8ZYCM nidx=null]
 + Capnoptera [ACCEPTED GENUS 9902:3H4B nidx=null]
Cardiocladius moreloensis
 - Cardiocladius moreloensis Andersen, Hagenlund & Pinho, 2016 [ACCEPTED SPECIES 9893:9HZ8S nidx=null]
 + Cardiocladius moreloensis Andersen, Hagenlund & Pinho, 2017 [ACCEPTED SPECIES 9902:B9N37 nidx=null]
Carmenta anthracipennis
 - Carmenta anthracipennis (Boisduval, 1874) [ACCEPTED SPECIES 9893:69BST nidx=null]
 + Carmenta anthracipennis (Boisduval, [1875] ) [ACCEPTED SPECIES 9902:B9849 nidx=null]
Catillaria chalybeia var. chloropoliza
 - Catillaria chalybeia var. chloropoliza (Nyl.) H. Kilias [SYNONYM VARIETY 9893:7LGPJ nidx=null parent=B2Y27]
 + Catillaria chalybeia var. chloropoliza (Nyl.) H. Kilias [SYNONYM VARIETY 9902:BBKV6 nidx=null parent=B2Y27]
Cavariella (Cavariella) rutila
 - Cavariella (Cavariella) rutila [ACCEPTED SPECIES 9893:B6YD3 nidx=null]
 + Cavariella (Cavariella) rutila [ACCEPTED SPECIES 9902:B9Q26 nidx=null]
Cavenderia aureostipes var. helvetium
 - Cavenderia aureostipes var. helvetium (Cavender, Raper & Norberg) S.Baldauf, S.Sheikh & Thulin, 2018 [SYNONYM VARIETY 9893:B475Y nidx=null parent=RXX9]
 + Cavenderia aureostipes var. helvetium (Cavender, Raper & Norberg) S.Baldauf, S.Sheikh & Thulin, 2018 [SYNONYM VARIETY 9902:BBKV7 nidx=null parent=RXX9]
Celypha latifasciana
 - Celypha latifasciana (Haworth, 1811) [SYNONYM SPECIES 9893:B4NT4 nidx=null parent=93WVG]
 + Celypha latifasciana (Haworth, 1812) [SYNONYM SPECIES 9902:BCLX2 nidx=null parent=93WVG]
Ceratitis asiatica
 - Ceratitis asiatica Becker, 1908 [SYNONYM SPECIES 9893:87VJ8 nidx=null parent=46CJM]
 + Ceratitis asiatica Becker, 1907 [SYNONYM SPECIES 9902:B9N3J nidx=null parent=B9TTN]
Ceratocombidae
 - Ceratocombidae Fieber, 1861 [ACCEPTED FAMILY 9893:622LT nidx=null]
 + Ceratocombidae Fieber, 1860 [ACCEPTED FAMILY 9902:B8VBC nidx=null]
Ceratocombinae
 - Ceratocombinae Fieber, 1861 [ACCEPTED SUBFAMILY 9893:626TS nidx=null]
 + Ceratocombinae Fieber, 1860 [ACCEPTED SUBFAMILY 9902:B8X2B nidx=null]
Ceratocombini
 - Ceratocombini Fieber, 1861 [ACCEPTED TRIBE 9893:KPJ nidx=null]
 + Ceratocombini Fieber, 1860 [ACCEPTED TRIBE 9902:B8X49 nidx=null]
Ceratocorema postcristatum
 - Ceratocorema postcristatum Hampson, 1892 [SYNONYM SPECIES 9893:968PX nidx=null parent=9GZTS]
 + Ceratocorema postcristatum Hampson, [1893] [SYNONYM SPECIES 9902:BCM3H nidx=null parent=BDD8K]
Ceratothoa steindachneri
 - Ceratothoa steindachneri Koelbel, 1879 [ACCEPTED SPECIES 9893:SQGF nidx=null]
 + Ceratothoa steindachneri Koelbel, 1878 [ACCEPTED SPECIES 9902:B9QDZ nidx=null]
Ceriantharia
 - Ceriantharia [ACCEPTED SUBCLASS 9893:7NF8K nidx=null]
 + Ceriantharia Perrier, 1893 [ACCEPTED SUBCLASS 9902:B8V46 nidx=null]
Cerianthus filiformis
 - Cerianthus filiformis Carlgren, 1924 [ACCEPTED SPECIES 9893:SY28 nidx=null]
 + Cerianthus filiformis Carlgren, 1922 [ACCEPTED SPECIES 9902:B8VTR nidx=null]
Cerianthus japonicus
 - Cerianthus japonicus Carlgren, 1924 [ACCEPTED SPECIES 9893:69LS8 nidx=null]
 + Cerianthus japonicus Carlgren, 1922 [ACCEPTED SPECIES 9902:B8VTS nidx=null]
Cerianthus mortenseni
 - Cerianthus mortenseni Carlgren, 1924 [ACCEPTED SPECIES 9893:SY2R nidx=null]
 + Cerianthus mortenseni Carlgren, 1922 [ACCEPTED SPECIES 9902:B9QQS nidx=null]
Cetraria fahlunensis var. sorediella
 - Cetraria fahlunensis var. sorediella (Lettau) Räsänen [SYNONYM VARIETY 9893:9ZK6H nidx=null parent=T76Q]
 + Cetraria fahlunensis var. sorediella (Lettau) Räsänen [SYNONYM VARIETY 9902:BDH33 nidx=null parent=T76Q]
Cetraria islandica subsp. crispiformis
 - Cetraria islandica subsp. crispiformis (Räsänen) Kärnefelt [SYNONYM SUBSPECIES 9893:5GCSS nidx=null parent=B32NZ]
 + Cetraria islandica subsp. crispiformis (Räsänen) Kärnefelt [SYNONYM SUBSPECIES 9902:BBFMK nidx=null parent=B32NZ]
Cetraria tenuifolia var. inermis
 - Cetraria tenuifolia var. inermis (Nyl.) Räsänen [SYNONYM VARIETY 9893:9ZK6J nidx=null parent=47278]
 + Cetraria tenuifolia var. inermis (Nyl.) Räsänen [SYNONYM VARIETY 9902:BDH34 nidx=null parent=47278]
Chaenotheca brunneola var. elassospora
 - Chaenotheca brunneola var. elassospora (Nyl.) A.L. Sm. [SYNONYM VARIETY 9893:5MZH6 nidx=null parent=T9TY]
 + Chaenotheca brunneola var. elassospora (Nyl.) A.L. Sm. [SYNONYM VARIETY 9902:BBKVB nidx=null parent=T9TY]
Chaenotheca chrysocephala f. melanocephala
 - Chaenotheca chrysocephala f. melanocephala (Nyl.) Zahlbr. [SYNONYM FORM 9893:9ZMZ7 nidx=null parent=T9T3]
 + Chaenotheca chrysocephala f. melanocephala (Nyl.) Zahlbr. [SYNONYM FORM 9902:BBLJJ nidx=null parent=T9T3]
Chaetogonopteron appendiculatum
 - Chaetogonopteron appendiculatum Meijere, 1913 [ACCEPTED SPECIES 9893:TCH6 nidx=null]
 + Chaetogonopteron appendiculatum Meijere, 1914 [ACCEPTED SPECIES 9902:B9N3V nidx=null]
Chaetosa churchilli
 - Chaetosa churchilli Malloch, 1931 [SYNONYM SPECIES 9893:87W4Q nidx=null parent=8H3Q6]
 + Chaetosa churchilli (Malloch, 1931) [ACCEPTED SPECIES 9902:69PK7 nidx=null]
Chaetosiphon (Pentatrichopus) jacobi
 - Chaetosiphon (Pentatrichopus) jacobi [ACCEPTED SPECIES 9893:69P2X nidx=null]
 + Chaetosiphon (Pentatrichopus) jacobi [ACCEPTED SPECIES 9902:B9QVV nidx=null]
Chamaesphecia (Scopulosphecia)
 - Chamaesphecia (Scopulosphecia) La tuvka [SYNONYM SUBGENUS 9893:95N8G nidx=null parent=92543]
 + Chamaesphecia (Scopulosphecia) Laštuvka, [1990] [ACCEPTED SUBGENUS 9902:BC626 nidx=null]
Chamaesphecia aethiopica
 - Chamaesphecia aethiopica Hampson, 1919 [ACCEPTED SPECIES 9893:TKVM nidx=null]
 + Chamaesphecia aethiopica Dalla Torre & Strand, 1925 [SYNONYM SPECIES 9902:B98YP nidx=null parent=BBD8S]
Chamaesphecia albida
 - Chamaesphecia albida patenka, 1999 [ACCEPTED SPECIES 9893:9694J nidx=null]
 + Chamaesphecia albida Špatenka, 1999 [SYNONYM SPECIES 9902:B98YQ nidx=null parent=B98YR]
Chamaesphecia breyeri
 - Chamaesphecia breyeri Köhler, 1972 [ACCEPTED SPECIES 9893:TKWF nidx=null]
 + Chamaesphecia breyeri Köhler, 1941 [PROVISIONALLY_ACCEPTED SPECIES 9902:B98ZB nidx=null]
Chamaesphecia doryceraeformis
 - Chamaesphecia doryceraeformis (Lederer, 1855) [ACCEPTED SPECIES 9893:92XY3 nidx=null]
 + Chamaesphecia doryceraeformis (Lederer, 1853) [SYNONYM SPECIES 9902:B98ZR nidx=null parent=B98ZS]
Chamaesphecia leucoparea
 - Chamaesphecia leucoparea (Lederer, 1871) [ACCEPTED SPECIES 9893:TKXZ nidx=null]
 + Chamaesphecia leucoparea (Lederer, 1870) [SYNONYM SPECIES 9902:B992T nidx=null parent=B992S]
Chamaesphecia minorata
 - Chamaesphecia minorata Staudinger, 1895 [SYNONYM SPECIES 9893:9694W nidx=null parent=TKVW]
 + Chamaesphecia minorata (Staudinger, 1894) [SYNONYM SPECIES 9902:BCM57 nidx=null parent=B98YY]
Chamaesphecia oryssiformis
 - Chamaesphecia oryssiformis Staudinger, 1901 [SYNONYM SPECIES 9893:92XY8 nidx=null parent=TKVY]
 + Chamaesphecia oryssiformis (Rebel, 1901) [SYNONYM SPECIES 9902:B993H nidx=null parent=B98Z2]
 + Chamaesphecia oryssiformis (Herrich-Schäffer, [1846] ) [SYNONYM SPECIES 9902:B993J nidx=null parent=B98Z2]
Chamaesphecia osmiaeformis
 - Chamaesphecia osmiaeformis (Herrich-Schäffer, 1848) [ACCEPTED SPECIES 9893:92XY9 nidx=null]
 + Chamaesphecia osmiaeformis (Herrich-Schäffer, [1852] ) [SYNONYM SPECIES 9902:TKYS nidx=null parent=B993K]
Chamaesphecia proximata
 - Chamaesphecia proximata (Staudinger, 1891) [ACCEPTED SPECIES 9893:TKYY nidx=null]
 + Chamaesphecia proximata (Staudinger, 1892) [SYNONYM SPECIES 9902:B993Q nidx=null parent=B993R]
Chamaesphecia similis
 - Chamaesphecia similis La tuvka, 1983 [SYNONYM SPECIES 9893:92XYC nidx=null parent=TKWZ]
 + Chamaesphecia similis Laštuvka, 1983 [SYNONYM SPECIES 9902:TKZC nidx=null parent=B98ZT]
Chamaesphecia thracica
 - Chamaesphecia thracica La tuvka, 1983 [ACCEPTED SPECIES 9893:92XYF nidx=null]
 + Chamaesphecia thracica Laštuvka, 1983 [SYNONYM SPECIES 9902:TKZK nidx=null parent=B994F]
Chamanthedon quinquecincta
 - Chamanthedon quinquecincta (Hampson, 1892) [ACCEPTED SPECIES 9893:TLJH nidx=null]
 + Chamanthedon quinquecincta (Hampson, [1893] ) [ACCEPTED SPECIES 9902:B9QYL nidx=null]
Charybdis (Archias)
 - Charybdis (Archias) Paulson, 1875 [ACCEPTED SUBGENUS 9893:8TG64 nidx=null]
 + Charybdis (Archias) Paulson, 1875 [ACCEPTED SUBGENUS 9902:B8ZNQ nidx=null]
Charybdis (Gonioneptunus)
 - Charybdis (Gonioneptunus) Ortmann, 1893 [ACCEPTED SUBGENUS 9893:8498T nidx=null]
 + Charybdis (Gonioneptunus) Ortmann, 1893 [ACCEPTED SUBGENUS 9902:B8ZPH nidx=null]
Chasmocarcininae
 - Chasmocarcininae Serène, 1964 [ACCEPTED SUBFAMILY 9893:847DJ nidx=null]
 + Chasmocarcininae Serène, 1964 [ACCEPTED SUBFAMILY 9902:B8V43 nidx=null]
Cheilosia austrosibirica
 - Cheilosia austrosibirica Barkalov, 2005 [SYNONYM SPECIES 9893:888RD nidx=null parent=8BFTQ]
 + Cheilosia austrosibirica Barkalov, 2005 [ACCEPTED SPECIES 9902:TSHR nidx=null]
Cheilosia galinae
 - Cheilosia galinae Barkalov, 2005 [SYNONYM SPECIES 9893:888RM nidx=null parent=8BFTR]
 + Cheilosia galinae Barkalov, 2005 [ACCEPTED SPECIES 9902:TSMF nidx=null]
Cheilosia septima
 - Cheilosia septima Barkalov & Cheng, 2004 [SYNONYM SPECIES 9893:888SN nidx=null parent=8BFTT]
 + Cheilosia septima Barkalov & Cheng, 2004 [ACCEPTED SPECIES 9902:TSVY nidx=null]
Cheilosia thompsoni
 - Cheilosia thompsoni Barkalov & Cheng, 2004 [SYNONYM SPECIES 9893:888SX nidx=null parent=8BFSV]
 + Cheilosia thompsoni Barkalov & Cheng, 2004 [ACCEPTED SPECIES 9902:TSXM nidx=null]
Cheiragonoidea
 - Cheiragonoidea Ortmann, 1893 [ACCEPTED SUPERFAMILY 9893:7NGKL nidx=null]
 + Cheiragonoidea Ortmann, 1893 [ACCEPTED SUPERFAMILY 9902:B8WML nidx=null]
Chelifera giraudae
 - Chelifera giraudae Vaillant, 1978 [ACCEPTED SPECIES 9893:5XQX4 nidx=null]
 + Chelifera giraudae Vaillant, 1981 [SYNONYM SPECIES 9902:B9N9H nidx=null parent=69QYF]
Chetogena janitrix
 - Chetogena janitrix (Hartig, 1837) [ACCEPTED SPECIES 9893:5Y32N nidx=null]
 + Chetogena janitrix (Hartig, 1838) [ACCEPTED SPECIES 9902:B99GZ nidx=null]
Chicoreus recticornis
 - Chicoreus recticornis (Martens [in Lobbecke & Kobelt] , 1880) [SYNONYM SPECIES 9893:TZHH nidx=null parent=TZGQ]
 + Chicoreus recticornis (Löbbecke & Kobelt, 1880) [SYNONYM SPECIES 9902:B9RP4 nidx=null parent=TZGQ]
Chimaerosphecia aegerides
 - Chimaerosphecia aegerides Strand, 1915 [SYNONYM SPECIES 9893:69RWN nidx=null parent=98LCK]
 + Chimaerosphecia aegerides Strand, [1916] [SYNONYM SPECIES 9902:B99HZ nidx=null parent=BBDN8]
Chionochloa conspicua subsp. cunninghamii
 - Chionochloa conspicua subsp. cunninghamii (Hook.f.) Zotov [ACCEPTED SUBSPECIES 9893:7JLN6 nidx=null]
 + Chionochloa conspicua subsp. cunninghamii (Hook.f.) Zotov [ACCEPTED SUBSPECIES 9902:BBFMY nidx=null]
Chionochloa flavescens subsp. brevis
 - Chionochloa flavescens subsp. brevis Connor [ACCEPTED SUBSPECIES 9893:7JLN8 nidx=null]
 + Chionochloa flavescens subsp. brevis Connor [ACCEPTED SUBSPECIES 9902:BBFMZ nidx=null]
Chloraea aeruginosa
 - Chloraea aeruginosa (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7QNJJ nidx=null]
 + Chloraea aeruginosa (Reeve, 1854) [ACCEPTED SPECIES 9902:B9RSJ nidx=null]
Chloraea lais
 - Chloraea lais (L. Pfeiffer, 1854) [SYNONYM SPECIES 9893:7QNKN nidx=null parent=7TRXQ]
 + Chloraea lais (Reeve, 1853) [SYNONYM SPECIES 9902:B9RSK nidx=null parent=BCQ6T]
Chloraea puella lais
 - Chloraea puella lais (L. Pfeiffer, 1854) [ACCEPTED SUBSPECIES 9893:7TRXQ nidx=null]
 + Chloraea puella lais (Reeve, 1853) [ACCEPTED SUBSPECIES 9902:BCQ6T nidx=null]
Chlorodopsis frontalis
 - Chlorodopsis frontalis (Dana, 1852) [SYNONYM SPECIES 9893:7TX9Z nidx=null parent=3BLZF]
 + Chlorodopsis frontalis Borradaile, 1902 [SYNONYM SPECIES 9902:5XXV2 nidx=null parent=3BLZF]
Chlorophytum sphacelatum var. arenarium
 - Chlorophytum sphacelatum var. arenarium (Baker) Meerts [ACCEPTED VARIETY 9893:8XD24 nidx=null]
 + Chlorophytum sphacelatum var. arenarium (Baker) Meerts [ACCEPTED VARIETY 9902:BBKVQ nidx=null]
Chorisops apicalis
 - Chorisops apicalis Frey, 1960 [SYNONYM SPECIES 9893:87X7H nidx=null parent=64NZG]
 + Chorisops apicalis Frey, 1961 [SYNONYM SPECIES 9902:B9ND6 nidx=null parent=B935W]
Chorisops fraterna
 - Chorisops fraterna Frey, 1960 [SYNONYM SPECIES 9893:87X7J nidx=null parent=9SV8]
 + Chorisops fraterna Frey, 1961 [SYNONYM SPECIES 9902:B9ND7 nidx=null parent=B935X]
Chorisops fuscitibia
 - Chorisops fuscitibia Frey, 1960 [SYNONYM SPECIES 9893:5YDG5 nidx=null parent=9SV8]
 + Chorisops fuscitibia Frey, 1961 [SYNONYM SPECIES 9902:B9ND8 nidx=null parent=B935X]
Chorisops marginata
 - Chorisops marginata Frey, 1960 [ACCEPTED SPECIES 9893:5YDFN nidx=null]
 + Chorisops marginata Frey, 1961 [ACCEPTED SPECIES 9902:B9ND9 nidx=null]
Chorisops unicolor
 - Chorisops unicolor Frey, 1960 [SYNONYM SPECIES 9893:5YDGY nidx=null parent=9SV8]
 + Chorisops unicolor Frey, 1961 [SYNONYM SPECIES 9902:B9NDB nidx=null parent=B935X]
Chromocochlea mindorana
 - Chromocochlea mindorana Hartmann, 1829 [SYNONYM SPECIES 9893:7QP2Z nidx=null parent=7QJNK]
 + Chromocochlea mindorana L. Pfeiffer, 1842 [SYNONYM SPECIES 9902:B9RZP nidx=null parent=7QJNK]
Chrysops flaviscutellatus
 - Chrysops flaviscutellatus Philip, 1963 [ACCEPTED SPECIES 9893:5Z3XY nidx=null]
 + Chrysops flaviscutellatus Moucha, 1976 [SYNONYM SPECIES 9902:B99PY nidx=null parent=BDMX4]
Chrysosoma cinctitarse
 - Chrysosoma cinctitarse (Meijere, 1913) [ACCEPTED SPECIES 9893:8BHN2 nidx=null]
 + Chrysosoma cinctitarse (Meijere, 1914) [ACCEPTED SPECIES 9902:B9NDR nidx=null]
Chrysotoxum przewalskyi
 - Chrysotoxum przewalskyi Portschinsky, 1886 [ACCEPTED SPECIES 9893:V2KH nidx=null]
 + Chrysotoxum przewalskyi Portschinsky, 1887 [ACCEPTED SPECIES 9902:B9NDY nidx=null]
Chrysotoxum robustum
 - Chrysotoxum robustum Portschinsky, 1886 [ACCEPTED SPECIES 9893:V2KR nidx=null]
 + Chrysotoxum robustum Portschinsky, 1887 [ACCEPTED SPECIES 9902:B9NDZ nidx=null]
Chrysotus aldrichi
 - Chrysotus aldrichi Van Duzee, 1924 [ACCEPTED SPECIES 9893:V2P9 nidx=null]
 + Chrysotus aldrichi (Van Duzee, 1915) [ACCEPTED SPECIES 9902:B9NF3 nidx=null]
Chrysotus bicercusi
 - Chrysotus bicercusi Liu & Yang, 2016 [ACCEPTED SPECIES 9893:9J3W8 nidx=null]
 + Chrysotus bicercusi Liu & Yang, 2017 [ACCEPTED SPECIES 9902:B9NF4 nidx=null]
Chrysotus bifurcatus
 - Chrysotus bifurcatus Wang & Yang, 2008 [ACCEPTED SPECIES 9893:9J49P nidx=null]
 + Chrysotus bifurcatus Wang & Yang, 2009 [ACCEPTED SPECIES 9902:B9NF5 nidx=null]
Chrysotus brevicercus
 - Chrysotus brevicercus Wang & Yang, 2008 [ACCEPTED SPECIES 9893:9J3FL nidx=null]
 + Chrysotus brevicercus Wang & Yang, 2009 [ACCEPTED SPECIES 9902:B9NF6 nidx=null]
Chrysotus hypnususi
 - Chrysotus hypnususi Liu & Yang, 2016 [ACCEPTED SPECIES 9893:9J484 nidx=null]
 + Chrysotus hypnususi Liu & Yang, 2017 [ACCEPTED SPECIES 9902:B9NF8 nidx=null]
Chrysotus liui
 - Chrysotus liui Wang & Yang, 2008 [ACCEPTED SPECIES 9893:9J3ZW nidx=null]
 + Chrysotus liui Wang & Yang, 2009 [ACCEPTED SPECIES 9902:B9NF9 nidx=null]
Chrysotus lundbladi
 - Chrysotus lundbladi Frey, 1940 [ACCEPTED SPECIES 9893:5YTD8 nidx=null]
 + Chrysotus lundbladi Frey, 1939 [ACCEPTED SPECIES 9902:B9NFB nidx=null]
Chrysotus luoyangensis
 - Chrysotus luoyangensis Wang & Yang, 2008 [ACCEPTED SPECIES 9893:9J48M nidx=null]
 + Chrysotus luoyangensis Wang & Yang, 2009 [ACCEPTED SPECIES 9902:B9NFC nidx=null]
Chrysotus mexicanus
 - Chrysotus mexicanus Robinson, 1967 [SYNONYM SPECIES 9893:88B4K nidx=null parent=8BHQM]
 + Chrysotus mexicanus Robinson, 1967 [ACCEPTED SPECIES 9902:V2VD nidx=null]
Chrysotus morrisoni
 - Chrysotus morrisoni Van Duzee, 1924 [SYNONYM SPECIES 9893:88B4R nidx=null parent=8BHQT]
 + Chrysotus morrisoni Van Duzee, 1924 [ACCEPTED SPECIES 9902:V2VV nidx=null]
Chrysotus subfemoratus
 - Chrysotus subfemoratus Frey, 1940 [ACCEPTED SPECIES 9893:V2YG nidx=null]
 + Chrysotus subfemoratus Frey, 1939 [ACCEPTED SPECIES 9902:B9NFS nidx=null]
Chrysotus xinjiangensis
 - Chrysotus xinjiangensis Wang & Yang, 2008 [ACCEPTED SPECIES 9893:9J43S nidx=null]
 + Chrysotus xinjiangensis Wang & Yang, 2009 [ACCEPTED SPECIES 9902:B9NFW nidx=null]
Chvalaea sopianae
 - Chvalaea sopianae Papp & Földvári, 2001 [ACCEPTED SPECIES 9893:V42S nidx=null]
 + Chvalaea sopianae Papp & Földvári, 2002 [SYNONYM SPECIES 9902:B9NFZ nidx=null parent=9HMJM]
Cibotogaster azures
 - Cibotogaster azures Krivosheina, 1992 [SYNONYM SPECIES 9893:5YSYC nidx=null parent=5Z4YB]
 + Cibotogaster azures Krivosheina, 1993 [SYNONYM SPECIES 9902:B9NGR nidx=null parent=5Z4YB]
Cibotogaster kerteszii
 - Cibotogaster kerteszii Krivosheina, 1992 [ACCEPTED SPECIES 9893:5Z4YD nidx=null]
 + Cibotogaster kerteszii Krivosheina, 1993 [ACCEPTED SPECIES 9902:B9NGS nidx=null]
Cingulina australis
 - Cingulina australis Tenison Woods, 1877 [SYNONYM SPECIES 9893:5Z7SZ nidx=null parent=3VDJG]
 + Cingulina australis Tenison Woods, 1876 [SYNONYM SPECIES 9902:B9SHM nidx=null parent=B9SHX]
Cladocarpus dollfusi
 - Cladocarpus dollfusi [SYNONYM SPECIES 9893:VNQ7 nidx=null parent=52XWR]
 + Cladocarpus dollfusi Billard, 1924 [SYNONYM SPECIES 9902:B8W77 nidx=null parent=52XWR]
Cladonia arbuscula subsp. squarrosa
 - Cladonia arbuscula subsp. squarrosa (Wallr.) Ruoss [SYNONYM SUBSPECIES 9893:5GH5B nidx=null parent=5YWCX]
 + Cladonia arbuscula subsp. squarrosa (Wallr.) Ruoss [SYNONYM SUBSPECIES 9902:BBFND nidx=null parent=5YWCX]
Cladonia cariosa var. symphycarpa
 - Cladonia cariosa var. symphycarpa (Ehrh. ex Schrad.) Flörke [SYNONYM VARIETY 9893:B2PJF nidx=null parent=VPMQ]
 + Cladonia cariosa var. symphycarpa (Ehrh. ex Schrad.) Flörke [SYNONYM VARIETY 9902:BDGBJ nidx=null parent=VPMQ]
Cladonia coccifera var. deformis
 - Cladonia coccifera var. deformis (L.) Schaer. [SYNONYM VARIETY 9893:B2PBB nidx=null parent=5YW5V]
 + Cladonia coccifera var. deformis (L.) Schaer. [SYNONYM VARIETY 9902:BDGBK nidx=null parent=5YW5V]
Cladonia fimbriata subsp. coniocraea
 - Cladonia fimbriata subsp. coniocraea (Flörke) Fink [SYNONYM SUBSPECIES 9893:9ZLJB nidx=null parent=5YWCZ]
 + Cladonia fimbriata subsp. coniocraea (Flörke) Fink [SYNONYM SUBSPECIES 9902:BDDPH nidx=null parent=5YWCZ]
Cladonia furcata subsp. subrangiformis
 - Cladonia furcata subsp. subrangiformis (L. Scriba ex Sandst.) Pišút [SYNONYM SUBSPECIES 9893:5GH5M nidx=null parent=9XJ3R]
 + Cladonia furcata subsp. subrangiformis (L. Scriba ex Sandst.) Pišút [SYNONYM SUBSPECIES 9902:BBFNF nidx=null parent=9XJ3R]
Cladonia furcata var. crispata
 - Cladonia furcata var. crispata (Ach.) Flörke [SYNONYM VARIETY 9893:B2PHG nidx=null parent=5YWDS]
 + Cladonia furcata var. crispata (Ach.) Flörke [SYNONYM VARIETY 9902:BDGBL nidx=null parent=5YWDS]
Cladonia impexa f. laxiuscula
 - Cladonia impexa f. laxiuscula (Delise) Zahlbr. [SYNONYM FORM 9893:B2PJT nidx=null parent=VPDQ]
 + Cladonia impexa f. laxiuscula (Delise) Zahlbr. [SYNONYM FORM 9902:BDGQT nidx=null parent=VPDQ]
Cladonia macilenta var. bacillaris
 - Cladonia macilenta var. bacillaris (Ach.) Schaer. [SYNONYM VARIETY 9893:5N4RF nidx=null parent=VPCR]
 + Cladonia macilenta var. bacillaris (Ach.) Schaer. [SYNONYM VARIETY 9902:BBKVS nidx=null parent=VPCR]
Cladonia neozelandica var. lewis-smithii
 - Cladonia neozelandica var. lewis-smithii Ahti, Elix & Øvstedal [SYNONYM VARIETY 9893:5N4RM nidx=null parent=5YW5Y]
 + Cladonia neozelandica var. lewis-smithii Ahti, Elix & Øvstedal [SYNONYM VARIETY 9902:BBKVT nidx=null parent=5YW5Y]
Cladonia neozelandica var. sulcata
 - Cladonia neozelandica var. sulcata (A.W. Archer) Kantvilas [SYNONYM VARIETY 9893:5N4RP nidx=null parent=5YW5Y]
 + Cladonia neozelandica var. sulcata (A.W. Archer) Kantvilas [SYNONYM VARIETY 9902:BBKVV nidx=null parent=5YW5Y]
Cladonia neozelandica var. wilsonii
 - Cladonia neozelandica var. wilsonii (A.W. Archer) Kantvilas [SYNONYM VARIETY 9893:5N4RQ nidx=null parent=5YW5Y]
 + Cladonia neozelandica var. wilsonii (A.W. Archer) Kantvilas [SYNONYM VARIETY 9902:BBKVW nidx=null parent=5YW5Y]
Cladonia rangiformis f. foliosa
 - Cladonia rangiformis f. foliosa (Flörke ex Vain.) H. Olivier [SYNONYM FORM 9893:7MTS3 nidx=null parent=VPL2]
 + Cladonia rangiformis f. foliosa (Flörke ex Vain.) H. Olivier [SYNONYM FORM 9902:BBLJL nidx=null parent=VPL2]
Cladonia rangiformis var. pseudofissa
 - Cladonia rangiformis var. pseudofissa Asahina [SYNONYM VARIETY 9893:9ZK6W nidx=null parent=VPKM]
 + Cladonia rangiformis var. pseudofissa Asahina [SYNONYM VARIETY 9902:BDH35 nidx=null parent=VPKM]
Cladonia squamosa var. caespiticia
 - Cladonia squamosa var. caespiticia (Pers.) Nyl. [SYNONYM VARIETY 9893:B2P9P nidx=null parent=9XK8G]
 + Cladonia squamosa var. caespiticia (Pers.) Nyl. [SYNONYM VARIETY 9902:BDGBS nidx=null parent=9XK8G]
Cladonia squamosa var. subsquamosa
 - Cladonia squamosa var. subsquamosa (Nyl. ex Leight.) Vain. [SYNONYM VARIETY 9893:5N4SM nidx=null parent=VPLR]
 + Cladonia squamosa var. subsquamosa (Nyl. ex Leight.) Vain. [SYNONYM VARIETY 9902:BBKVX nidx=null parent=VPLR]
Cladonia sylvatica var. portentosa
 - Cladonia sylvatica var. portentosa (Dufour) Pérard [SYNONYM VARIETY 9893:B2PSR nidx=null parent=VPKJ]
 + Cladonia sylvatica var. portentosa (Dufour) Pérard [SYNONYM VARIETY 9902:BDGBR nidx=null parent=VPKJ]
Clathrodrillia kutaiana
 - Clathrodrillia kutaiana Beets, 1985 [ACCEPTED SPECIES 9893:VSYR nidx=null]
 + Clathrodrillia kutaiana Beets, 1984 [ACCEPTED SPECIES 9902:B9SQ9 nidx=null]
Clavariadelphus truncatus var. lovejoyae
 - Clavariadelphus truncatus var. lovejoyae (V.L. Wells & Kempton) Corner [SYNONYM VARIETY 9893:5N564 nidx=null parent=5YXD9]
 + Clavariadelphus truncatus var. lovejoyae (V.L. Wells & Kempton) Corner [SYNONYM VARIETY 9902:BBKVY nidx=null parent=5YXD9]
Clavascidium lacinulatum var. atrans
 - Clavascidium lacinulatum var. atrans (Breuss) M. Prieto [SYNONYM VARIETY 9893:5N569 nidx=null parent=5Z9FD]
 + Clavascidium lacinulatum var. atrans (Breuss) M. Prieto [SYNONYM VARIETY 9902:BBKVZ nidx=null parent=5Z9FD]
Clavascidium lacinulatum var. erythrostratum
 - Clavascidium lacinulatum var. erythrostratum (Breuss) M. Prieto [SYNONYM VARIETY 9893:7LJDD nidx=null parent=5Z9FD]
 + Clavascidium lacinulatum var. erythrostratum (Breuss) M. Prieto [SYNONYM VARIETY 9902:BBKW2 nidx=null parent=5Z9FD]
Clavatula (Alticlavatula) djocdjocartae
 - Clavatula (Alticlavatula) djocdjocartae (K. Martin, 1885) [SYNONYM SPECIES 9893:B8QZL nidx=null parent=B8TFF]
 + Clavatula (Alticlavatula) djocdjocartae (K. Martin, 1884) [SYNONYM SPECIES 9902:BDKYQ nidx=null parent=BDLDR]
Clavigerinella alicantensis
 - Clavigerinella alicantensis Cremades Campos, 1978 [ACCEPTED SPECIES 9893:8282Q nidx=null]
 + Clavigerinella alicantensis Cremades Campos, 1979 [SYNONYM SPECIES 9902:B9SQN nidx=null parent=8282S]
Clymene watsoni
 - Clymene watsoni Gravier, 1906 [SYNONYM SPECIES 9893:WDTB nidx=null parent=9X8VM]
 + Clymene watsoni Gravier, 1905 [SYNONYM SPECIES 9902:B9SX2 nidx=null parent=BBNLC]
Cobboldia elephantis
 - Cobboldia elephantis (Cobbold, 1882) [ACCEPTED SPECIES 9893:WJV8 nidx=null]
 + Cobboldia elephantis Steel [ACCEPTED SPECIES 9902:B99VF nidx=null]
Coccocarpia pellita var. mesomorpha
 - Coccocarpia pellita var. mesomorpha Müll. Arg. [SYNONYM VARIETY 9893:5N6QW nidx=null parent=WKL6]
 + Coccocarpia pellita var. mesomorpha Müll. Arg. [SYNONYM VARIETY 9902:BBKW3 nidx=null parent=WKL6]
Coccocarpia pellita var. semiincisa
 - Coccocarpia pellita var. semiincisa Müll. Arg. [SYNONYM VARIETY 9893:5N6QY nidx=null parent=WKL6]
 + Coccocarpia pellita var. semiincisa Müll. Arg. [SYNONYM VARIETY 9902:BBKW4 nidx=null parent=WKL6]
Coccyx spadiceana
 - Coccyx spadiceana Duponchel, 1836 [SYNONYM SPECIES 9893:B64Y8 nidx=null parent=4SNGF]
 + Coccyx spadiceana Duponchel, 1835 [SYNONYM SPECIES 9902:BDGVW nidx=null parent=4SNGF]
Cochlostyla (Callicochlias) zonifera circe
 - Cochlostyla (Callicochlias) zonifera circe (L. Pfeiffer, 1854) [SYNONYM SUBSPECIES 9893:7TSK2 nidx=null parent=7TRFR]
 + Cochlostyla (Callicochlias) zonifera circe (Reeve, 1853) [SYNONYM SUBSPECIES 9902:BCQ7D nidx=null parent=BCPNG]
Cochlostyla (Calocochlea) zonifera var. circe
 - Cochlostyla (Calocochlea) zonifera var. circe (L. Pfeiffer, 1854) [SYNONYM VARIETY 9893:8M3XT nidx=null parent=7TRFR]
 + Cochlostyla (Calocochlea) zonifera var. circe (Reeve, 1853) [SYNONYM VARIETY 9902:BCQ7C nidx=null parent=BCPNG]
Cochlostyla (Canistrum) belcheri
 - Cochlostyla (Canistrum) belcheri (L. Pfeiffer, 1851) [SYNONYM SPECIES 9893:7QR54 nidx=null parent=7RJDW]
 + Cochlostyla (Canistrum) belcheri (L. Pfeiffer, 1853) [SYNONYM SPECIES 9902:B9T58 nidx=null parent=BBJHW]
Cochlostyla (Cochlodryas) rehbeini
 - Cochlostyla (Cochlodryas) rehbeini (L. Pfeiffer, 1852) [SYNONYM SPECIES 9893:7QR65 nidx=null parent=B8TLG]
 + Cochlostyla (Cochlodryas) rehbeini (Reeve, 1852) [SYNONYM SPECIES 9902:B9T5G nidx=null parent=BDLDS]
Cochlostyla (Corasia) aeruginosa
 - Cochlostyla (Corasia) aeruginosa (L. Pfeiffer, 1855) [SYNONYM SPECIES 9893:7QR6B nidx=null parent=7QNJJ]
 + Cochlostyla (Corasia) aeruginosa (Reeve, 1854) [SYNONYM SPECIES 9902:B9T5J nidx=null parent=B9RSJ]
Cochlostyla (Corasia) lais
 - Cochlostyla (Corasia) lais (L. Pfeiffer, 1854) [SYNONYM SPECIES 9893:8VQQZ nidx=null parent=7TRXQ]
 + Cochlostyla (Corasia) lais (Reeve, 1853) [SYNONYM SPECIES 9902:B9T5L nidx=null parent=BCQ6T]
Cochlostyla (Corasia) puella var. lais
 - Cochlostyla (Corasia) puella var. lais (L. Pfeiffer, 1854) [SYNONYM VARIETY 9893:7V5RN nidx=null parent=7TRXQ]
 + Cochlostyla (Corasia) puella var. lais (Reeve, 1853) [SYNONYM VARIETY 9902:BCSN5 nidx=null parent=BCQ6T]
Cochlostyla (Eudoxus) belcheri
 - Cochlostyla (Eudoxus) belcheri (L. Pfeiffer, 1851) [SYNONYM SPECIES 9893:7QR7Y nidx=null parent=7RJDW]
 + Cochlostyla (Eudoxus) belcheri (L. Pfeiffer, 1853) [SYNONYM SPECIES 9902:B9T59 nidx=null parent=BBJHW]
Cochlostyla (Orustia) glaucophtalma
 - Cochlostyla (Orustia) glaucophtalma (L. Pfeiffer, 1851) [SYNONYM SPECIES 9893:8MW8F nidx=null parent=7RJG4]
 + Cochlostyla (Orustia) glaucophtalma (L. Pfeiffer, 1853) [SYNONYM SPECIES 9902:B9T5Q nidx=null parent=BBJJ2]
Cochlostyla aeruginosa
 - Cochlostyla aeruginosa (L. Pfeiffer, 1855) [SYNONYM SPECIES 9893:7QRD9 nidx=null parent=7QNJJ]
 + Cochlostyla aeruginosa (Reeve, 1854) [SYNONYM SPECIES 9902:B9T5K nidx=null parent=B9RSJ]
Cochlostyla belcheri
 - Cochlostyla belcheri (L. Pfeiffer, 1851) [SYNONYM SPECIES 9893:7QRDX nidx=null parent=7RJDW]
 + Cochlostyla belcheri (L. Pfeiffer, 1853) [SYNONYM SPECIES 9902:B9T5B nidx=null parent=BBJHW]
Cochlostyla circe
 - Cochlostyla circe (L. Pfeiffer, 1854) [SYNONYM SPECIES 9893:7QRGD nidx=null parent=7TRFR]
 + Cochlostyla circe (Reeve, 1853) [SYNONYM SPECIES 9902:B9T5R nidx=null parent=BCPNG]
Cochlostyla glaucophtalma
 - Cochlostyla glaucophtalma (L. Pfeiffer, 1851) [SYNONYM SPECIES 9893:9WWJG nidx=null parent=7RJG4]
 + Cochlostyla glaucophtalma (L. Pfeiffer, 1853) [SYNONYM SPECIES 9902:B9T5N nidx=null parent=BBJJ2]
Cochlostyla glaucophthalma
 - Cochlostyla glaucophthalma (L. Pfeiffer, 1851) [SYNONYM SPECIES 9893:9ZHVX nidx=null parent=7RJG4]
 + Cochlostyla glaucophthalma (L. Pfeiffer, 1853) [SYNONYM SPECIES 9902:B9T5P nidx=null parent=BBJJ2]
Cochlostyla rehbeini
 - Cochlostyla rehbeini (L. Pfeiffer, 1852) [SYNONYM SPECIES 9893:7QRPJ nidx=null parent=B8TLG]
 + Cochlostyla rehbeini (Reeve, 1852) [SYNONYM SPECIES 9902:B9T5H nidx=null parent=BDLDS]
Coelama
 - Coelama Turner, 1944 [SYNONYM GENUS 9893:94MML nidx=null parent=92GRB]
 + Coelama Leach, 1815 [SYNONYM GENUS 9902:BBWKG nidx=null parent=92GRB]
Coelioxys paradoxus
 - Coelioxys paradoxus Friese, 1922 [ACCEPTED SPECIES 9893:B6VNW nidx=null]
 + Coelioxys paradoxus Friese, 1922 [ACCEPTED SPECIES 9902:B99VV nidx=null]
Coix lacryma-jobi var. maxima
 - Coix lacryma-jobi var. maxima Makino [SYNONYM VARIETY 9893:5N74N nidx=null parent=5N74L]
 + Coix lacryma-jobi var. maxima Makino [SYNONYM VARIETY 9902:BBKW5 nidx=null parent=5N74L]
Collema furfuraceum var. luzonense
 - Collema furfuraceum var. luzonense (Räsänen) Degel. [SYNONYM VARIETY 9893:5N7CH nidx=null parent=X2Z6]
 + Collema furfuraceum var. luzonense (Räsänen) Degel. [SYNONYM VARIETY 9902:BBKW6 nidx=null parent=X2Z6]
Collema pulposum var. cristatum
 - Collema pulposum var. cristatum (L.) Ach. [SYNONYM VARIETY 9893:B2PDJ nidx=null parent=3SJ3T]
 + Collema pulposum var. cristatum (L.) Ach. [SYNONYM VARIETY 9902:BDGD2 nidx=null parent=3SJ3T]
Collybiopsis confluens subsp. campanulata
 - Collybiopsis confluens subsp. campanulata (Peck) R.H. Petersen [SYNONYM SUBSPECIES 9893:B2RXS nidx=null parent=9Z4MX]
 + Collybiopsis confluens subsp. campanulata (Peck) R.H. Petersen [SYNONYM SUBSPECIES 9902:BBFNM nidx=null parent=9Z4MX]
Comiconchus trionchus
 - Comiconchus trionchus (Thorne, 1924) Jairajpuri & Khan, 1982 [SYNONYM SPECIES 9893:8T5ZP nidx=null parent=8TFVM]
 + Comiconchus trionchus (Thorne, 1924) Jairajpuri & Khan, 1982 [ACCEPTED SPECIES 9902:8G5TM nidx=null]
Complexastrea carinata
 - Complexastrea carinata Roniewicz, 1965 [ACCEPTED SPECIES 9893:863JT nidx=null]
 + Complexastrea carinata Roniewicz, 1960 [ACCEPTED SPECIES 9902:B9TJ4 nidx=null]
Complexastrea sobkoviensis
 - Complexastrea sobkoviensis Roniewicz, 1965 [ACCEPTED SPECIES 9893:863JW nidx=null]
 + Complexastrea sobkoviensis Roniewicz, 1960 [ACCEPTED SPECIES 9902:B9TJ5 nidx=null]
Compsobata borealis
 - Compsobata borealis Ozerov, 1987 [SYNONYM SPECIES 9893:88C9Q nidx=null parent=8H2QM]
 + Compsobata borealis Ozerov, 1987 [ACCEPTED SPECIES 9902:5ZS3S nidx=null]
Compsobata caucasica
 - Compsobata caucasica Ozerov, 1990 [SYNONYM SPECIES 9893:88C9R nidx=null parent=8H465]
 + Compsobata caucasica Ozerov, 1990 [ACCEPTED SPECIES 9902:XHDV nidx=null]
Compsobata columbiana
 - Compsobata columbiana Merritt & Peterson, 1976 [SYNONYM SPECIES 9893:87ZLS nidx=null parent=8H3L5]
 + Compsobata columbiana Merritt & Peterson, 1976 [ACCEPTED SPECIES 9902:XHDX nidx=null]
Compsobata jamesi
 - Compsobata jamesi Merritt, 1971 [SYNONYM SPECIES 9893:87ZLT nidx=null parent=8H3TB]
 + Compsobata jamesi (Merritt, 1971) [ACCEPTED SPECIES 9902:5ZS44 nidx=null]
Compsobata orientalis
 - Compsobata orientalis Ozerov, 1987 [SYNONYM SPECIES 9893:88C9S nidx=null parent=8H4CT]
 + Compsobata orientalis Ozerov, 1987 [ACCEPTED SPECIES 9902:5ZS4Z nidx=null]
Compsobata schumanni
 - Compsobata schumanni Soós, 1975 [SYNONYM SPECIES 9893:88C9T nidx=null parent=8H2Q6]
 + Compsobata schumanni (Soós, 1975) [ACCEPTED SPECIES 9902:5ZS4W nidx=null]
Compsobata silvicola
 - Compsobata silvicola Ozerov, 1987 [SYNONYM SPECIES 9893:88C9V nidx=null parent=8H3G5]
 + Compsobata silvicola Ozerov, 1987 [ACCEPTED SPECIES 9902:5ZS58 nidx=null]
Compsomyiops callipes
 - Compsomyiops callipes [ACCEPTED SPECIES 9893:B3PG9 nidx=null]
 + Compsomyiops callipes (Bigot, 1877) [ACCEPTED SPECIES 9902:88CBF nidx=null]
Condylostylus banksii
 - Condylostylus banksii (Van Duzee, 1915) [ACCEPTED SPECIES 9893:XL24 nidx=null]
 + Condylostylus banksii (Van Duzee, 1914) [ACCEPTED SPECIES 9902:B9B26 nidx=null]
Condylostylus leonardi
 - Condylostylus leonardi (Van Duzee, 1915) [ACCEPTED SPECIES 9893:XL6V nidx=null]
 + Condylostylus leonardi (Van Duzee, 1914) [ACCEPTED SPECIES 9902:B9B27 nidx=null]
Condylostylus quintusflavus
 - Condylostylus quintusflavus Gunther, 1982 [SYNONYM SPECIES 9893:87ZNB nidx=null parent=XL38]
 + Condylostylus quintusflavus Gunther, 1980 [SYNONYM SPECIES 9902:B9NJP nidx=null parent=XL38]
Conopia dasyproctos
 - Conopia dasyproctos Zukowsky, 1937 [SYNONYM SPECIES 9893:XSBM nidx=null parent=98GM2]
 + Conopia dasyproctos Zukowsky, 1936 [SYNONYM SPECIES 9902:B9TLX nidx=null parent=BDCZB]
Conopia xanthomelanina
 - Conopia xanthomelanina Zukowsky, 1937 [SYNONYM SPECIES 9893:XSD2 nidx=null parent=98GNG]
 + Conopia xanthomelanina Zukowsky, 1936 [SYNONYM SPECIES 9902:B9TLY nidx=null parent=BDLRX]
Conus dingleanus
 - Conus dingleanus Beets, 1985 [ACCEPTED SPECIES 9893:B8KVF nidx=null]
 + Conus dingleanus Beets, 1984 [ACCEPTED SPECIES 9902:BCQGQ nidx=null]
Copepoda
 - Copepoda [ACCEPTED CLASS 9893:924G7 nidx=null]
 + Copepoda Milne Edwards, 1840 [ACCEPTED CLASS 9902:B8V3Q nidx=null]
Coproica rohaceki
 - Coproica rohaceki Carles-Tolrá, 1986 [ACCEPTED SPECIES 9893:Y69Z nidx=null]
 + Coproica rohaceki Carles-Tolrá, 1990 [ACCEPTED SPECIES 9902:B9NKW nidx=null]
Corallimorpharia
 - Corallimorpharia [ACCEPTED ORDER 9893:ZM nidx=null]
 + Corallimorpharia Carlgren, 1943 [ACCEPTED ORDER 9902:B8V47 nidx=null]
Cordylurella rufula
 - Cordylurella rufula Curran, 1927 [SYNONYM SPECIES 9893:87ZYV nidx=null parent=8H4Q3]
 + Cordylurella rufula (Curran, 1927) [ACCEPTED SPECIES 9902:YD53 nidx=null]
Cortinarius cremeolinus var. subpicoides
 - Cortinarius cremeolinus var. subpicoides Soop [SYNONYM VARIETY 9893:7LK9W nidx=null parent=B2NFQ]
 + Cortinarius cremeolinus var. subpicoides Soop [SYNONYM VARIETY 9902:BBKWF nidx=null parent=B2NFQ]
Cortinarius obtusus f. striatulus
 - Cortinarius obtusus f. striatulus Nespiak [SYNONYM FORM 9893:9ZMZS nidx=null parent=YLP7]
 + Cortinarius obtusus f. striatulus Nespiak [SYNONYM FORM 9902:BBLJM nidx=null parent=YLP7]
Cortinarius violaceovolvatus var. viola
 - Cortinarius violaceovolvatus var. viola (Soop) A.R. Nilsen & Orlovich [SYNONYM VARIETY 9893:9ZK78 nidx=null parent=YMZY]
 + Cortinarius violaceovolvatus var. viola (Soop) A.R. Nilsen & Orlovich [SYNONYM VARIETY 9902:BBKWG nidx=null parent=YMZY]
Corystes (Anisopus)
 - Corystes (Anisopus) [ACCEPTED SUBGENUS 9893:B7XK3 nidx=null]
 + Corystes (Anisopus) De Haan, 1833 [SYNONYM SUBGENUS 9902:B8X9X nidx=null parent=7PNWF]
Corystes (Dicera)
 - Corystes (Dicera) [ACCEPTED SUBGENUS 9893:849B5 nidx=null]
 + Corystes (Dicera) De Haan, 1833 [SYNONYM SUBGENUS 9902:B93TL nidx=null parent=7PPSQ]
Corystes (Oeidea)
 - Corystes (Oeidea) [ACCEPTED SUBGENUS 9893:849B6 nidx=null]
 + Corystes (Oeidea) De Haan, 1835 [SYNONYM SUBGENUS 9902:B93TM nidx=null parent=7PH74]
Corystoidea
 - Corystoidea Samouelle, 1819 [ACCEPTED SUPERFAMILY 9893:7NGLC nidx=null]
 + Corystoidea Samouelle, 1819 [ACCEPTED SUPERFAMILY 9902:B8WMM nidx=null]
Craspedometopon testacea
 - Craspedometopon testacea Hollis, 1962 [SYNONYM SPECIES 9893:8829M nidx=null parent=3DH7Y]
 + Craspedometopon testacea Hollis, 1963 [SYNONYM SPECIES 9902:B9NL6 nidx=null parent=B9QND]
Craterellus lutescens var. albidus
 - Craterellus lutescens var. albidus (Bon & Pacaud) Vila [SYNONYM VARIETY 9893:9ZLMS nidx=null parent=Z8SW]
 + Craterellus lutescens var. albidus (Bon & Pacaud) Vila [SYNONYM VARIETY 9902:BBKWR nidx=null parent=Z8SW]
Craterellus sinuosus var. luteoalbus
 - Craterellus sinuosus var. luteoalbus (Bon, F. Massart & Rouzeau) Vila [SYNONYM VARIETY 9893:9ZLMT nidx=null parent=9XL6Y]
 + Craterellus sinuosus var. luteoalbus (Bon, F. Massart & Rouzeau) Vila [SYNONYM VARIETY 9902:BBKWS nidx=null parent=9XL6Y]
Cresponea premnea var. saxicola
 - Cresponea premnea var. saxicola (Leight.) Egea & Torrente [SYNONYM VARIETY 9893:5NC4F nidx=null parent=ZF73]
 + Cresponea premnea var. saxicola (Leight.) Egea & Torrente [SYNONYM VARIETY 9902:BBKWT nidx=null parent=ZF73]
Cribrarula esontropia esontropia
 - Cribrarula esontropia esontropia (Duclos, 1833) [ACCEPTED SUBSPECIES 9893:8SY32 nidx=null]
 + Cribrarula esontropia esontropia (Duclos, 1833) [SYNONYM SUBSPECIES 9902:5GP8B nidx=null parent=ZFKR]
Cricotopus (Cricotopus) luciae
 - Cricotopus (Cricotopus) luciae LeSage, 1980 [ACCEPTED SPECIES 9893:882M5 nidx=null]
 + Cricotopus (Cricotopus) luciae LeSage, 1981 [ACCEPTED SPECIES 9902:B9NMC nidx=null]
Cricotopus luciae
 - Cricotopus luciae LeSage, 1980 [SYNONYM SPECIES 9893:88DMP nidx=null parent=882M5]
 + Cricotopus luciae LeSage, 1981 [SYNONYM SPECIES 9902:B9NMD nidx=null parent=B9NMC]
Crinoidea
 - Crinoidea [ACCEPTED CLASS 9893:9Z nidx=null]
 + Crinoidea Miller, 1821 [ACCEPTED CLASS 9902:B8V3R nidx=null]
Cryptomyzus (Cryptomyzus) alboapicalis
 - Cryptomyzus (Cryptomyzus) alboapicalis [ACCEPTED SPECIES 9893:B83NB nidx=null]
 + Cryptomyzus (Cryptomyzus) alboapicalis [ACCEPTED SPECIES 9902:B9BP9 nidx=null]
Cryptostemmatidae
 - Cryptostemmatidae McAtee & Malloch, 1925 [SYNONYM FAMILY 9893:624G4 nidx=null parent=9CM]
 + Cryptostemmatidae [SYNONYM FAMILY 9902:B8WRD nidx=null parent=9CM]
Cryptozona novella
 - Cryptozona novella (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7QWDJ nidx=null]
 + Cryptozona novella (Reeve, 1854) [ACCEPTED SPECIES 9902:B9VK6 nidx=null]
Ctenophora
 - Ctenophora [ACCEPTED PHYLUM 9893:3Q nidx=null]
 + Ctenophora Eschscholtz, 1829 [ACCEPTED PHYLUM 9902:B8V3K nidx=null]
Cubozoa
 - Cubozoa [ACCEPTED CLASS 9893:622DC nidx=null]
 + Cubozoa Werner, 1973 [ACCEPTED CLASS 9902:B8V3S nidx=null]
Cumacea
 - Cumacea [ACCEPTED ORDER 9893:32M nidx=null]
 + Cumacea Krøyer, 1846 [ACCEPTED ORDER 9902:B8TXZ nidx=null]
Cyclophorus turbinatus
 - Cyclophorus turbinatus L. Pfeiffer, 1852 [SYNONYM SPECIES 9893:7QXK7 nidx=null parent=7RSTG]
 + Cyclophorus turbinatus (L. Pfeiffer, 1846) [SYNONYM SPECIES 9902:B9XWQ nidx=null parent=BDHXX]
Cyclopilsbrya hendersoni
 - Cyclopilsbrya hendersoni (Bartsch, 1942) [SYNONYM SPECIES 9893:84WHD nidx=null parent=7SSXT]
 + Cyclopilsbrya hendersoni (Bartsch, 1942) [ACCEPTED SPECIES 9902:7QXL7 nidx=null]
Cyclostoma sowerbyi
 - Cyclostoma sowerbyi L. Pfeiffer, 1846 [SYNONYM SPECIES 9893:7QY3P nidx=null parent=7TGGD]
 + Cyclostoma sowerbyi L. Pfeiffer, 1847 [SYNONYM SPECIES 9902:B9YTX nidx=null parent=BCLDL]
Cymiphis
 - Cymiphis [ACCEPTED GENUS 9893:3YH5 nidx=null]
 + Cymiphis Lee, 1970 [ACCEPTED GENUS 9902:B8XPL nidx=null]
Cyphoniscellus herzegowinensis
 - Cyphoniscellus herzegowinensis (Verhoeff, 1901) [ACCEPTED SPECIES 9893:33FTQ nidx=null]
 + Cyphoniscellus herzegowinensis (Verhoeff, 1900) [ACCEPTED SPECIES 9902:B9Z5P nidx=null]
Cyphoniscus herzegowinensis
 - Cyphoniscus herzegowinensis [SYNONYM SPECIES 9893:6C8S3 nidx=null parent=33FTQ]
 + Cyphoniscus herzegowinensis Verhoeff, 1900 [SYNONYM SPECIES 9902:B9Z6P nidx=null parent=B9Z5P]
Cypraea hirundo var. owenii
 - Cypraea hirundo var. owenii G. B. Sowerby I, 1832 [SYNONYM VARIETY 9893:9GJR2 nidx=null parent=LX3W]
 + Cypraea hirundo var. owenii J. E. Gray, 1832 [SYNONYM VARIETY 9902:BCST3 nidx=null parent=LX3W]
Cypraea owenii
 - Cypraea owenii G. B. Sowerby I, 1832 [SYNONYM SPECIES 9893:9G4L6 nidx=null parent=LX3W]
 + Cypraea owenii J. E. Gray, 1832 [SYNONYM SPECIES 9902:33H4C nidx=null parent=LX3W]
Cypris
 - Cypris Müller O. F., 1776 [ACCEPTED GENUS 9893:9XCW6 nidx=null]
 + Cypris Mueller, 1776 [ACCEPTED GENUS 9902:B8XPV nidx=null]
Cyrtochetus
 - Cyrtochetus Cossmann, 1901 [ACCEPTED GENUS 9893:7P2Q9 nidx=null]
 + Cyrtochetus Cossmann, 1889 [ACCEPTED GENUS 9902:B8Y6H nidx=null]
Cyrtococcum patens var. latifolium
 - Cyrtococcum patens var. latifolium (Honda) Ohwi [SYNONYM VARIETY 9893:5NFWD nidx=null parent=33LQC]
 + Cyrtococcum patens var. latifolium (Honda) Ohwi [SYNONYM VARIETY 9902:BBKXC nidx=null parent=33LQC]
Cyrtolaelaps
 - Cyrtolaelaps [ACCEPTED GENUS 9893:3YXN nidx=null]
 + Cyrtolaelaps Berlese, 1887 [ACCEPTED GENUS 9902:B8V88 nidx=null]
 + Cyrtolaelaps Berlese, 1887 [SYNONYM SUBGENUS 9902:B8V89 nidx=null parent=B8V88]
Cyrtophora citricola obscura
 - Cyrtophora citricola obscura Tullgren, 1910 [ACCEPTED SUBSPECIES 9893:94FSX nidx=null]
 + Cyrtophora citricola obscura Tullgren, 1910 [ACCEPTED SUBSPECIES 9902:B9ZD6 nidx=null]
Cyrtophorina gorgonensis
 - Cyrtophorina gorgonensis Brown, 2006 [ACCEPTED SPECIES 9893:33N7R nidx=null]
 + Cyrtophorina gorgonensis Brown, 2007 [ACCEPTED SPECIES 9902:B9CGM nidx=null]
Cyrtophorina kerri
 - Cyrtophorina kerri Brown, 2006 [ACCEPTED SPECIES 9893:33N7S nidx=null]
 + Cyrtophorina kerri Brown, 2007 [ACCEPTED SPECIES 9902:B9CGN nidx=null]
Cyrtophorina zamorensis
 - Cyrtophorina zamorensis Brown, 2006 [ACCEPTED SPECIES 9893:33N7T nidx=null]
 + Cyrtophorina zamorensis Brown, 2007 [ACCEPTED SPECIES 9902:B9CGP nidx=null]
Cythere costataxi
 - Cythere costataxi ? [SYNONYM SPECIES 9893:B86JD nidx=null parent=KDBP]
 + Cythere costataxi ? [SYNONYM SPECIES 9902:B9ZJ5 nidx=null parent=KDBP]
Dacrymyces deliquescens var. castanea
 - Dacrymyces deliquescens var. castanea Bourdot [SYNONYM VARIETY 9893:9ZLMZ nidx=null parent=9Z38Y]
 + Dacrymyces deliquescens var. castanea Bourdot [SYNONYM VARIETY 9902:BBKXJ nidx=null parent=9Z38Y]
Dactylolabis (Eudactylolabis)
 - Dactylolabis (Eudactylolabis) Alexander, 1950 [ACCEPTED SUBGENUS 9893:8GZSH nidx=null]
 + Dactylolabis (Eudactylolabis) Alexander, 1950 [ACCEPTED SUBGENUS 9902:B8ZP9 nidx=null]
Dactylosphaera globosa
 - Dactylosphaera globosa Shimer, 1867 [SYNONYM SPECIES 9893:B86KB nidx=null parent=9H339]
 + Dactylosphaera globosa Shimer, 1867 [SYNONYM SPECIES 9902:B9ZJK nidx=null parent=9H339]
Dairoidea
 - Dairoidea Serène, 1965 [ACCEPTED SUPERFAMILY 9893:7NGLV nidx=null]
 + Dairoidea Serène, 1965 [ACCEPTED SUPERFAMILY 9902:B8WMN nidx=null]
Dasybasis (Dasybasis) microdonta
 - Dasybasis (Dasybasis) microdonta (Mackerras, 1947) [ACCEPTED SPECIES 9893:8BQHH nidx=null]
 + Dasybasis (Dasybasis) microdonta (Macquart, 1847) [ACCEPTED SPECIES 9902:B9CJR nidx=null]
Deltocephalus missellus
 - Deltocephalus missellus Ball, 1899 [SYNONYM SPECIES 9893:B86MQ nidx=null parent=6P37J]
 + Deltocephalus missellus Ball, 1899 [SYNONYM SPECIES 9902:BB29G nidx=null parent=6P37J]
Dentobunus pulcer
 - Dentobunus pulcer Suzuki, 1970 [ACCEPTED SPECIES 9893:9X77V nidx=null]
 + Dentobunus pulcer Suzuki, 1969 [ACCEPTED SPECIES 9902:BDCFY nidx=null]
Deschampsia cespitosa subsp. glauca
 - Deschampsia cespitosa subsp. glauca (Hartm.) Hartm. [SYNONYM SUBSPECIES 9893:7JPL2 nidx=null parent=7JPKZ]
 + Deschampsia cespitosa subsp. glauca (Hartm.) Hartm. [SYNONYM SUBSPECIES 9902:BBFXW nidx=null parent=7JPKZ]
Deschampsia cespitosa subsp. parviflora
 - Deschampsia cespitosa subsp. parviflora Jáv. & Soó [SYNONYM SUBSPECIES 9893:9KSR8 nidx=null parent=7JPLD]
 + Deschampsia cespitosa subsp. parviflora Jáv. & Soó [SYNONYM SUBSPECIES 9902:BBFXX nidx=null parent=7JPLD]
Desectophis
 - Desectophis [ACCEPTED GENUS 9893:43KF nidx=null]
 + Desectophis Karg, 2003 [ACCEPTED GENUS 9902:B8Y8B nidx=null]
Desmia intermicalus
 - Desmia intermicalus Druce [SYNONYM SPECIES 9893:92ZH6 nidx=null parent=3529V]
 + Desmia intermicalus Druce [SYNONYM SPECIES 9902:B9D6Z nidx=null parent=3529V]
Diceropyga pigafettae
 - Diceropyga pigafettae (Duffels, 1977) non Distant, 1888 [SYNONYM SPECIES 9893:B86SR nidx=null parent=43STK]
 + Diceropyga pigafettae Duffels, 1977 [AMBIGUOUS_SYNONYM SPECIES 9902:BB2T7 nidx=null parent=35JT7]
 + Diceropyga pigafettae Duffels, 1977 [AMBIGUOUS_SYNONYM SPECIES 9902:BB2T8 nidx=null parent=B6W8Y]
 + Diceropyga pigafettae (Duffels, 1977) [SYNONYM SPECIES 9902:BB2T9 nidx=null parent=7HHMY]
Dichanthelium ovale var. addisonii
 - Dichanthelium ovale var. addisonii (Nash) Gould & C.A.Clark [SYNONYM VARIETY 9893:8X66T nidx=null parent=35KMB]
 + Dichanthelium ovale var. addisonii (Nash) Gould & C.A.Clark [SYNONYM VARIETY 9902:BBKZ2 nidx=null parent=35KMB]
Dichanthelium strigosum var. glabrescens
 - Dichanthelium strigosum var. glabrescens (Griseb.) Freckmann [SYNONYM VARIETY 9893:7LNVP nidx=null parent=35KPS]
 + Dichanthelium strigosum var. glabrescens (Griseb.) Freckmann [SYNONYM VARIETY 9902:BBKZ3 nidx=null parent=35KPS]
Dichanthelium strigosum var. leucoblepharis
 - Dichanthelium strigosum var. leucoblepharis (Trin.) Freckmann [SYNONYM VARIETY 9893:5NJPV nidx=null parent=35KPS]
 + Dichanthelium strigosum var. leucoblepharis (Trin.) Freckmann [SYNONYM VARIETY 9902:BBKZ4 nidx=null parent=35KPS]
Dicranomyia (Alexandriaria)
 - Dicranomyia (Alexandriaria) Garrett, 1922 [ACCEPTED SUBGENUS 9893:8GZNK nidx=null]
 + Dicranomyia (Alexandriaria) Garrett, 1922 [ACCEPTED SUBGENUS 9902:B8ZNM nidx=null]
Dicranomyia (Doaneomyia)
 - Dicranomyia (Doaneomyia) Alexander, 1921 [ACCEPTED SUBGENUS 9893:8GZZ3 nidx=null]
 + Dicranomyia (Doaneomyia) Alexander, 1921 [ACCEPTED SUBGENUS 9902:B8ZP8 nidx=null]
Dicranomyia (Euglochina)
 - Dicranomyia (Euglochina) Alexander, 1921 [ACCEPTED SUBGENUS 9893:8H2DT nidx=null]
 + Dicranomyia (Euglochina) Alexander, 1921 [ACCEPTED SUBGENUS 9902:B8ZPB nidx=null]
Dicranomyia (Glochina)
 - Dicranomyia (Glochina) Meigen, 1830 [ACCEPTED SUBGENUS 9893:8G26B nidx=null]
 + Dicranomyia (Glochina) Meigen, 1830 [ACCEPTED SUBGENUS 9902:B8ZPF nidx=null]
Dicranomyia (Idioglochina)
 - Dicranomyia (Idioglochina) Alexander, 1921 [ACCEPTED SUBGENUS 9893:8G26C nidx=null]
 + Dicranomyia (Idioglochina) Alexander, 1921 [ACCEPTED SUBGENUS 9902:B8ZPL nidx=null]
Dicranomyia (Melanolimonia)
 - Dicranomyia (Melanolimonia) Alexander, 1965 [ACCEPTED SUBGENUS 9893:8GNDR nidx=null]
 + Dicranomyia (Melanolimonia) Alexander, 1965 [ACCEPTED SUBGENUS 9902:B8ZPT nidx=null]
Dicranomyia (Nealexandriaria)
 - Dicranomyia (Nealexandriaria) Alexander, 1967 [ACCEPTED SUBGENUS 9893:8GZSG nidx=null]
 + Dicranomyia (Nealexandriaria) Alexander, 1967 [ACCEPTED SUBGENUS 9902:B8ZPZ nidx=null]
Dicranomyia (Sivalimnobia)
 - Dicranomyia (Sivalimnobia) Alexander, 1963 [ACCEPTED SUBGENUS 9893:8GNDT nidx=null]
 + Dicranomyia (Sivalimnobia) Alexander, 1963 [ACCEPTED SUBGENUS 9902:B8ZQW nidx=null]
Dicranomyia (Zelandoglochina)
 - Dicranomyia (Zelandoglochina) Alexander, 1924 [ACCEPTED SUBGENUS 9893:8G26F nidx=null]
 + Dicranomyia (Zelandoglochina) Alexander, 1924 [ACCEPTED SUBGENUS 9902:B8ZR8 nidx=null]
Dicranophragma (Brachylimnophila)
 - Dicranophragma (Brachylimnophila) Alexander, 1966 [ACCEPTED SUBGENUS 9893:8GZWG nidx=null]
 + Dicranophragma (Brachylimnophila) Alexander, 1966 [ACCEPTED SUBGENUS 9902:B8ZNV nidx=null]
Dicranophragma (Mixolimnomyia)
 - Dicranophragma (Mixolimnomyia) Savchenko, 1979 [ACCEPTED SUBGENUS 9893:8H2HC nidx=null]
 + Dicranophragma (Mixolimnomyia) Savchenko, 1979 [ACCEPTED SUBGENUS 9902:B8ZPY nidx=null]
Dicrotendipes pilosimanus
 - Dicrotendipes pilosimanus Kieffer, 1913 [ACCEPTED SPECIES 9893:6D645 nidx=null]
 + Dicrotendipes pilosimanus Kieffer, 1914 [SYNONYM SPECIES 9902:B9D9Z nidx=null parent=6CTS8]
Didinium balbianii
 - Didinium balbianii Fabre-Domergue, 1888 [SYNONYM SPECIES 9893:B86T6 nidx=null parent=5JR4K]
 + Didinium balbianii Kahl, 1930 [SYNONYM SPECIES 9902:BB3JT nidx=null parent=5JR4N]
 + Didinium balbianii Fabre-Domergue, 1888 [SYNONYM SPECIES 9902:BB3JW nidx=null parent=5JR4K]
Dimerella gnonom
 - Dimerella gnonom Dall, 1873 [SYNONYM SPECIES 9893:8G73X nidx=null parent=ZZ2R]
 + Dimerella gnonom (Jeffreys, 1869) [SYNONYM SPECIES 9902:B8VPY nidx=null parent=ZZ2R]
Diopsis brevicornis
 - Diopsis brevicornis Wiedemann, 1817 [SYNONYM SPECIES 9893:9H9HY nidx=null parent=4Z2KH]
 + Diopsis brevicornis Wiedemann, 1830 [SYNONYM SPECIES 9902:B9PBF nidx=null parent=4Z2KH]
Dipleurosoma typica
 - Dipleurosoma typica Boeck, 1866 [SYNONYM SPECIES 9893:36JGR nidx=null parent=36JGS]
 + Dipleurosoma typica Boeck, 1868 [SYNONYM SPECIES 9902:B8W7W nidx=null parent=36JGS]
Diploicia canescens subsp. australasica
 - Diploicia canescens subsp. australasica Elix & Lumbsch [SYNONYM SUBSPECIES 9893:5GX52 nidx=null parent=6CXS9]
 + Diploicia canescens subsp. australasica Elix & Lumbsch [SYNONYM SUBSPECIES 9902:BBFYG nidx=null parent=6CXS9]
Dipsocoroidea
 - Dipsocoroidea [ACCEPTED SUPERFAMILY 9893:538 nidx=null]
 + Dipsocoroidea Dohrn, 1859 [ACCEPTED SUPERFAMILY 9902:B8WMP nidx=null]
Dipsosphecia miranda
 - Dipsosphecia miranda Le Cerf, 1915 [SYNONYM SPECIES 9893:36QL7 nidx=null parent=92WPQ]
 + Dipsosphecia miranda Le Cerf, 1914 [SYNONYM SPECIES 9902:BB4R2 nidx=null parent=BDLW3]
Dipterostemon capitatus subsp. lacuna-vernalis
 - Dipterostemon capitatus subsp. lacuna-vernalis (L.W.Lenz) R.E.Preston [ACCEPTED SUBSPECIES 9893:8XBMQ nidx=null]
 + Dipterostemon capitatus subsp. lacuna-vernalis (L.W.Lenz) R.E.Preston [ACCEPTED SUBSPECIES 9902:BBFYH nidx=null]
Dipterostemon capitatus subsp. pauciflorus
 - Dipterostemon capitatus subsp. pauciflorus (Torr.) R.E.Preston [ACCEPTED SUBSPECIES 9893:8XBMR nidx=null]
 + Dipterostemon capitatus subsp. pauciflorus (Torr.) R.E.Preston [ACCEPTED SUBSPECIES 9902:BBFYJ nidx=null]
Discartemon discus
 - Discartemon discus (L. Pfeiffer, 1851) [ACCEPTED SPECIES 9893:36S99 nidx=null]
 + Discartemon discus (L. Pfeiffer, 1853) [ACCEPTED SPECIES 9902:BB4WV nidx=null]
Discodermia imperfecta
 - Discodermia imperfecta (Schmidt, 1879) [SYNONYM SPECIES 9893:36TD8 nidx=null parent=46PFW]
 + Discodermia imperfecta (Schmidt, 1880) [SYNONYM SPECIES 9902:BB4W6 nidx=null parent=46PFW]
Dispharagus denudatus
 - Dispharagus denudatus Dujardin, 1945 [SYNONYM SPECIES 9893:99HQ5 nidx=null parent=8936P]
 + Dispharagus denudatus Dujardin, 1845 [SYNONYM SPECIES 9902:BBVZH nidx=null parent=8936P]
Disporum
 - Disporum [PROVISIONALLY_ACCEPTED GENUS 9893:9JJTF nidx=null]
 + Disporum [ACCEPTED GENUS 9902:46WR nidx=null]
Dolborellidae
 - Dolborellidae [ACCEPTED FAMILY 9893:8585V nidx=null]
 + Dolborellidae Melnikova, 1976 [ACCEPTED FAMILY 9902:B8WRZ nidx=null]
Dolicholestes dunkeri
 - Dolicholestes dunkeri (L. Pfeiffer, 1850) [ACCEPTED SPECIES 9893:7R4LB nidx=null]
 + Dolicholestes dunkeri (L. Pfeiffer, 1853) [ACCEPTED SPECIES 9902:BB548 nidx=null]
Dolichopus alberecrus
 - Dolichopus alberecrus Gunther, 1982 [ACCEPTED SPECIES 9893:3767V nidx=null]
 + Dolichopus alberecrus Gunther, 1979 [SYNONYM SPECIES 9902:B9PCN nidx=null parent=376R7]
Dolichopus annaclareii
 - Dolichopus annaclareii Gunther, 1982 [ACCEPTED SPECIES 9893:6DDJC nidx=null]
 + Dolichopus annaclareii Gunther, 1979 [SYNONYM SPECIES 9902:B9PCP nidx=null parent=6DCRZ]
Dorippe frascone
 - Dorippe frascone (Herbst, 1758) [ACCEPTED SPECIES 9893:92Y8L nidx=null]
 + Dorippe frascone (Herbst, 1785) [ACCEPTED SPECIES 9902:37DB9 nidx=null]
Dorippoidea
 - Dorippoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9893:7NFNC nidx=null]
 + Dorippoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9902:B8WMQ nidx=null]
Dorippoides facchino
 - Dorippoides facchino (Herbst, 1758) [ACCEPTED SPECIES 9893:92Y8M nidx=null]
 + Dorippoides facchino (Herbst, 1785) [ACCEPTED SPECIES 9902:37DBV nidx=null]
Dracaena serrulata subsp. dhofarica
 - Dracaena serrulata subsp. dhofarica T.A.McCoy & Lavranos [ACCEPTED SUBSPECIES 9893:8XBMZ nidx=null]
 + Dracaena serrulata subsp. dhofarica T.A.McCoy & Lavranos [ACCEPTED SUBSPECIES 9902:BBFYZ nidx=null]
Dracaena serrulata subsp. mccoyorum
 - Dracaena serrulata subsp. mccoyorum Lavranos [ACCEPTED SUBSPECIES 9893:8XBN2 nidx=null]
 + Dracaena serrulata subsp. mccoyorum Lavranos [ACCEPTED SUBSPECIES 9902:BBFZ2 nidx=null]
Drisina glutinosa
 - Drisina glutinosa Giard, 1893 [ACCEPTED SPECIES 9893:37PK9 nidx=null]
 + Drisina glutinosa Giard, 1894 [ACCEPTED SPECIES 9902:B9J3P nidx=null]
Dromilites eotvoesi
 - Dromilites eotvoesi Müller, 1976 [SYNONYM SPECIES 9893:B4XLR nidx=null parent=9ZP3W]
 + Dromilites eotvoesi Müller, 1975 [SYNONYM SPECIES 9902:BCTTG nidx=null parent=BBXB8]
Dromioidea
 - Dromioidea De Haan, 1833 [ACCEPTED SUPERFAMILY 9893:53M nidx=null]
 + Dromioidea De Haan, 1833 [ACCEPTED SUPERFAMILY 9902:B8VF8 nidx=null]
Drosophila (Drosophila) kulouriensis
 - Drosophila (Drosophila) kulouriensis Fartyal & Singh, 2008 [ACCEPTED SPECIES 9893:8BWG3 nidx=null]
 + Drosophila (Drosophila) kulouriensis Fartyal & Singh, 2007 [ACCEPTED SPECIES 9902:B9PJG nidx=null]
Drosophila (Drosophila) sattalensis
 - Drosophila (Drosophila) sattalensis Fartyal & Singh, 1994 [ACCEPTED SPECIES 9893:8BWWM nidx=null]
 + Drosophila (Drosophila) sattalensis Fartyal & Singh, 2007 [ACCEPTED SPECIES 9902:B9J47 nidx=null]
Drosophila kulouriensis
 - Drosophila kulouriensis Fartyal & Singh, 2008 [SYNONYM SPECIES 9893:88MTL nidx=null parent=8BWG3]
 + Drosophila kulouriensis Fartyal & Singh, 2007 [SYNONYM SPECIES 9902:B9PJH nidx=null parent=B9PJG]
Drosophila sattalensis
 - Drosophila sattalensis Fartyal & Singh, 1994 [SYNONYM SPECIES 9893:88NCG nidx=null parent=8BWWM]
 + Drosophila sattalensis Fartyal & Singh, 2007 [SYNONYM SPECIES 9902:B9J48 nidx=null parent=B9J47]
Dryocochlias rehbeini
 - Dryocochlias rehbeini (L. Pfeiffer, 1852) [SYNONYM SPECIES 9893:7R5QY nidx=null parent=B8TLG]
 + Dryocochlias rehbeini (Reeve, 1852) [SYNONYM SPECIES 9902:BB63Z nidx=null parent=BDLDS]
Dyakia martini
 - Dyakia martini (L. Pfeiffer, 1854) [ACCEPTED SPECIES 9893:7R5WF nidx=null]
 + Dyakia martini (Reeve, 1854) [ACCEPTED SPECIES 9902:BB8L6 nidx=null]
Dysaphis (Dysaphis) brachycyclica
 - Dysaphis (Dysaphis) brachycyclica [ACCEPTED SPECIES 9893:386VH nidx=null]
 + Dysaphis (Dysaphis) brachycyclica [ACCEPTED SPECIES 9902:BB648 nidx=null]
Dysaphis (Dysaphis) caucasica
 - Dysaphis (Dysaphis) caucasica [ACCEPTED SPECIES 9893:B72HX nidx=null]
 + Dysaphis (Dysaphis) caucasica [ACCEPTED SPECIES 9902:BB64D nidx=null]
Dysaphis (Dysaphis) malidauci
 - Dysaphis (Dysaphis) malidauci [ACCEPTED SPECIES 9893:386WL nidx=null]
 + Dysaphis (Dysaphis) malidauci [ACCEPTED SPECIES 9902:BB64L nidx=null]
Dysaphis (Dysaphis) orientalis
 - Dysaphis (Dysaphis) orientalis [ACCEPTED SPECIES 9893:B874P nidx=null]
 + Dysaphis (Dysaphis) orientalis [ACCEPTED SPECIES 9902:BB64P nidx=null]
Earomyia inquilina
 - Earomyia inquilina (Seitner, 1929) [ACCEPTED SPECIES 9893:38BSC nidx=null]
 + Earomyia inquilina (Hendel, 1929) [ACCEPTED SPECIES 9902:B9PZQ nidx=null]
Echinoidea
 - Echinoidea [ACCEPTED CLASS 9893:622CV nidx=null]
 + Echinoidea Schumacher, 1817 [ACCEPTED CLASS 9902:B8V3T nidx=null]
Eclogavena dayritiana dayritiana
 - Eclogavena dayritiana dayritiana (C. N. Cate, 1963) [ACCEPTED SUBSPECIES 9893:8SY4B nidx=null]
 + Eclogavena dayritiana dayritiana (C. N. Cate, 1963) [SYNONYM SUBSPECIES 9902:5H2PH nidx=null parent=6DWNB]
Egeria
 - Egeria [PROVISIONALLY_ACCEPTED GENUS 9893:9JJZ7 nidx=null]
 + Egeria Leach, 1815 [SYNONYM GENUS 9902:B8VP2 nidx=null parent=7PT8D]
Elymus hystrix var. piedmontanus
 - Elymus hystrix var. piedmontanus D.B.Poind. & Weakley [ACCEPTED VARIETY 9893:8XDM3 nidx=null]
 + Elymus hystrix var. piedmontanus D.B.Poind. & Weakley [ACCEPTED VARIETY 9902:BBL2X nidx=null]
Elymus repens subsp. pseudocaesius
 - Elymus repens subsp. pseudocaesius (Pacz.) Melderis [SYNONYM SUBSPECIES 9893:8XBNK nidx=null parent=7K2J7]
 + Elymus repens subsp. pseudocaesius (Pacz.) Melderis [SYNONYM SUBSPECIES 9902:BBFZY nidx=null parent=7K2J7]
Elymus tsukushiensis var. transiens
 - Elymus tsukushiensis var. transiens (Hack.) K.Osada [SYNONYM VARIETY 9893:5NQD2 nidx=null parent=6F6DB]
 + Elymus tsukushiensis var. transiens (Hack.) K.Osada [SYNONYM VARIETY 9902:BBL2Y nidx=null parent=6F6DB]
Entoloma belouvense var. albertinae
 - Entoloma belouvense var. albertinae (Karstedt & Capelari) Reschke & Noordel. [SYNONYM VARIETY 9893:9ZK9D nidx=null parent=39Z5W]
 + Entoloma belouvense var. albertinae (Karstedt & Capelari) Reschke & Noordel. [SYNONYM VARIETY 9902:BBL2Z nidx=null parent=39Z5W]
Entoloma clypeatum f. hybridum
 - Entoloma clypeatum f. hybridum (Romagn.) Noordel. [SYNONYM FORM 9893:5SGW8 nidx=null parent=39ZBW]
 + Entoloma clypeatum f. hybridum (Romagn.) Noordel. [SYNONYM FORM 9902:BBLJV nidx=null parent=39ZBW]
Entoloma subviduense var. marginatum
 - Entoloma subviduense var. marginatum (Largent) Blanco-Dios [SYNONYM VARIETY 9893:5NQW6 nidx=null parent=6FDTG]
 + Entoloma subviduense var. marginatum (Largent) Blanco-Dios [SYNONYM VARIETY 9902:BBL32 nidx=null parent=6FDTG]
Epileucon
 - Epileucon [ACCEPTED GENUS 9893:4D65 nidx=null]
 + Epileucon N. S. Jones, 1956 [ACCEPTED GENUS 9902:B8YHC nidx=null]
Episannina modesta
 - Episannina modesta (Le Cerf, 1917) [ACCEPTED SPECIES 9893:6G8FV nidx=null]
 + Episannina modesta (Le Cerf, 1916) [ACCEPTED SPECIES 9902:B9LH4 nidx=null]
Epismilia thurmanni
 - Epismilia thurmanni Koby, 1881 [SYNONYM SPECIES 9893:863VW nidx=null parent=864QK]
 + Epismilia thurmanni (Étallon, 1864) [SYNONYM SPECIES 9902:BBBK4 nidx=null parent=BC4FK]
Epithalassius corsicanus
 - Epithalassius corsicanus Becker, 1918 [ACCEPTED SPECIES 9893:6FY3N nidx=null]
 + Epithalassius corsicanus Becker, 1910 [ACCEPTED SPECIES 9902:B9Q6K nidx=null]
Eresus kollari frontalis
 - Eresus kollari frontalis Latreille, 1817 [ACCEPTED SUBSPECIES 9893:93W33 nidx=null]
 + Eresus kollari frontalis Latreille, 1817 [ACCEPTED SUBSPECIES 9902:BBG2D nidx=null]
Eriocheir sinensis f. acutifrons
 - Eriocheir sinensis f. acutifrons Panning, 1939 [SYNONYM FORM 9893:7N6CZ nidx=null parent=3B3LX]
 + Eriocheir sinensis f. acutifrons Panning, 1938 [SYNONYM FORM 9902:BCVQN nidx=null parent=3B3LX]
Eriocheir sinensis f. rotundifrons
 - Eriocheir sinensis f. rotundifrons Panning, 1939 [SYNONYM FORM 9893:7N6CX nidx=null parent=3B3LX]
 + Eriocheir sinensis f. rotundifrons Panning, 1938 [SYNONYM FORM 9902:BCVQP nidx=null parent=3B3LX]
Eriocheir sinensis f. trilobata
 - Eriocheir sinensis f. trilobata Panning, 1939 [SYNONYM FORM 9893:5SHB2 nidx=null parent=3B3LX]
 + Eriocheir sinensis f. trilobata Panning, 1938 [SYNONYM FORM 9902:BCVQQ nidx=null parent=3B3LX]
Eriocoma lemmonii subsp. pubescens
 - Eriocoma lemmonii subsp. pubescens (Crampton) Romasch. [ACCEPTED SUBSPECIES 9893:8YDJV nidx=null]
 + Eriocoma lemmonii subsp. pubescens (Crampton) Romasch. [ACCEPTED SUBSPECIES 9902:BBG2G nidx=null]
Eriocoma nelsonii subsp. dorei
 - Eriocoma nelsonii subsp. dorei (Barkworth & J.R.Maze) Romasch. [ACCEPTED SUBSPECIES 9893:8X63C nidx=null]
 + Eriocoma nelsonii subsp. dorei (Barkworth & J.R.Maze) Romasch. [ACCEPTED SUBSPECIES 9902:BBG2H nidx=null]
Eriocoma occidentalis subsp. californica
 - Eriocoma occidentalis subsp. californica (Merr. & Burtt Davy) Romasch. [ACCEPTED SUBSPECIES 9893:8X63F nidx=null]
 + Eriocoma occidentalis subsp. californica (Merr. & Burtt Davy) Romasch. [ACCEPTED SUBSPECIES 9902:BBG2J nidx=null]
Eriocoma occidentalis subsp. pubescens
 - Eriocoma occidentalis subsp. pubescens (Vasey) Romasch. [ACCEPTED SUBSPECIES 9893:8X63G nidx=null]
 + Eriocoma occidentalis subsp. pubescens (Vasey) Romasch. [ACCEPTED SUBSPECIES 9902:BBG2K nidx=null]
Eriocoma parishii subsp. depauperata
 - Eriocoma parishii subsp. depauperata (M.E.Jones) Romasch. [ACCEPTED SUBSPECIES 9893:8YDJW nidx=null]
 + Eriocoma parishii subsp. depauperata (M.E.Jones) Romasch. [ACCEPTED SUBSPECIES 9902:BBG2L nidx=null]
Erioptera (Alcheringa)
 - Erioptera (Alcheringa) Theischinger, 1994 [ACCEPTED SUBGENUS 9893:8GZNT nidx=null]
 + Erioptera (Alcheringa) Theischinger, 1994 [ACCEPTED SUBGENUS 9902:B8ZNL nidx=null]
Erioptera (Ctenerioptera)
 - Erioptera (Ctenerioptera) Alexander, 1961 [ACCEPTED SUBGENUS 9893:8GZCQ nidx=null]
 + Erioptera (Ctenerioptera) Alexander, 1961 [ACCEPTED SUBGENUS 9902:B8ZP2 nidx=null]
Erioptera (Hespererioptera)
 - Erioptera (Hespererioptera) Alexander, 1972 [ACCEPTED SUBGENUS 9893:8GZ5Z nidx=null]
 + Erioptera (Hespererioptera) Alexander, 1972 [ACCEPTED SUBGENUS 9902:B8ZPJ nidx=null]
Erioptera (Lepidocyphona)
 - Erioptera (Lepidocyphona) Alexander, 1972 [ACCEPTED SUBGENUS 9893:8GZW2 nidx=null]
 + Erioptera (Lepidocyphona) Alexander, 1972 [ACCEPTED SUBGENUS 9902:B8ZPP nidx=null]
Erioptera (Mesocyphona)
 - Erioptera (Mesocyphona) Osten Sacken, 1869 [ACCEPTED SUBGENUS 9893:8GNF5 nidx=null]
 + Erioptera (Mesocyphona) Osten Sacken, 1869 [ACCEPTED SUBGENUS 9902:B8ZPV nidx=null]
Erioptera (Meterioptera)
 - Erioptera (Meterioptera) Alexander, 1934 [ACCEPTED SUBGENUS 9893:8GN6P nidx=null]
 + Erioptera (Meterioptera) Alexander, 1934 [ACCEPTED SUBGENUS 9902:B8ZPX nidx=null]
Erioptera (Tasiocerodes)
 - Erioptera (Tasiocerodes) Alexander, 1958 [ACCEPTED SUBGENUS 9893:8GN6Q nidx=null]
 + Erioptera (Tasiocerodes) Alexander, 1958 [ACCEPTED SUBGENUS 9902:B8ZR2 nidx=null]
Erioptera (Teleneura)
 - Erioptera (Teleneura) Alexander, 1931 [ACCEPTED SUBGENUS 9893:8GZH7 nidx=null]
 + Erioptera (Teleneura) Alexander, 1931 [ACCEPTED SUBGENUS 9902:B8ZR3 nidx=null]
Erioptera (Teucherioptera)
 - Erioptera (Teucherioptera) Alexander, 1972 [ACCEPTED SUBGENUS 9893:8GZKD nidx=null]
 + Erioptera (Teucherioptera) Alexander, 1972 [ACCEPTED SUBGENUS 9902:B8ZR4 nidx=null]
Erioptera margarita monoensis
 - Erioptera margarita monoensis Alexander, 1966 [SYNONYM SUBSPECIES 9893:8GYWT nidx=null parent=7GVTN]
 + Erioptera margarita monoensis Alexander, 1966 [SYNONYM SUBSPECIES 9902:BBG2M nidx=null parent=7GVTN]
Eriosoma (Schizoneura) ulmi
 - Eriosoma (Schizoneura) ulmi [AMBIGUOUS_SYNONYM SPECIES 9893:B849L nidx=null parent=8P9NH]
 + Eriosoma (Schizoneura) ulmi [AMBIGUOUS_SYNONYM SPECIES 9902:B9LKG nidx=null parent=3B6C8]
 + Eriosoma (Schizoneura) ulmi [AMBIGUOUS_SYNONYM SPECIES 9902:B9LKH nidx=null parent=8P9NH]
 + Eriosoma (Schizoneura) ulmi (Linnaeus, 1758) [AMBIGUOUS_SYNONYM SPECIES 9902:B9LKK nidx=null parent=3B6DC]
Eriosoma laniger
 - Eriosoma laniger [SYNONYM SPECIES 9893:B7Z3V nidx=null parent=6H365]
 + Eriosoma laniger [SYNONYM SPECIES 9902:B8ZHR nidx=null parent=6H365]
Eriphioidea
 - Eriphioidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9893:7NGML nidx=null]
 + Eriphioidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9902:B8WMR nidx=null]
Erysiphe polygoni var. sepulta
 - Erysiphe polygoni var. sepulta (Ellis & Everh. ex Sacc.) E.S. Salmon [SYNONYM VARIETY 9893:B2SB3 nidx=null parent=B2LK6]
 + Erysiphe polygoni var. sepulta (Ellis & Everh. ex Sacc.) E.S. Salmon [SYNONYM VARIETY 9902:BBL38 nidx=null parent=B2LK6]
Ethusa mascarone
 - Ethusa mascarone (Herbst, 1758) [ACCEPTED SPECIES 9893:92YPM nidx=null]
 + Ethusa mascarone (Herbst, 1785) [ACCEPTED SPECIES 9902:3BLVD nidx=null]
Eubrachyura
 - Eubrachyura Saint Laurent, 1980 [ACCEPTED SECTION 9893:8PS7Q nidx=null]
 + Eubrachyura de Saint Laurent, 1980 [ACCEPTED SECTION 9902:B943X nidx=null]
Euclymene watsoni
 - Euclymene watsoni (Gravier, 1906) [SYNONYM SPECIES 9893:6H5W8 nidx=null parent=9X8VM]
 + Euclymene watsoni (Gravier, 1905) [SYNONYM SPECIES 9902:BBD7C nidx=null parent=BBNLC]
Eucypris
 - Eucypris [ACCEPTED GENUS 9893:635DK nidx=null]
 + Eucypris Vavra, 1891 [ACCEPTED GENUS 9902:B8XVZ nidx=null]
Eucythere corrosa
 - Eucythere corrosa [ACCEPTED SPECIES 9893:3BYXJ nidx=null]
 + Eucythere corrosa (Jones & Sherborn, 1888) [ACCEPTED SPECIES 9902:BBDC6 nidx=null]
Euepicrius
 - Euepicrius [ACCEPTED GENUS 9893:4FK8 nidx=null]
 + Euepicrius Womersley, 1942 [ACCEPTED GENUS 9902:B8XW3 nidx=null]
Euepicrius multipori
 - Euepicrius multipori Karg, 1993 [ACCEPTED SPECIES 9893:3C3BZ nidx=null]
 + Euepicrius multipori Karg, 2003 [ACCEPTED SPECIES 9902:BBD9V nidx=null]
Eugenia minuscula
 - Eugenia minuscula Mc Vaugh [ACCEPTED SPECIES 9893:3C5GL nidx=null]
 + Eugenia minuscula McVaugh [ACCEPTED SPECIES 9902:BBDB2 nidx=null]
Eugorgia aurantiaca
 - Eugorgia aurantiaca (Horn, 1861) [ACCEPTED SPECIES 9893:3C8CQ nidx=null]
 + Eugorgia aurantiaca (Horn, 1860) [ACCEPTED SPECIES 9902:B9LPT nidx=null]
Eugorgia querciformis
 - Eugorgia querciformis Bielschowsky, 1918 [ACCEPTED SPECIES 9893:853P5 nidx=null]
 + Eugorgia querciformis Bielschowsky in Kükenthal, 1919 [ACCEPTED SPECIES 9902:BBDC7 nidx=null]
Eulalia africana
 - Eulalia africana Lindner, 1944 [SYNONYM SPECIES 9893:8886V nidx=null parent=8D2Y3]
 + Eulalia africana Lindner, 1943 [SYNONYM SPECIES 9902:B9QDN nidx=null parent=B9TZ6]
Eulalia nyassica
 - Eulalia nyassica Lindner, 1944 [SYNONYM SPECIES 9893:8887S nidx=null parent=48QQ5]
 + Eulalia nyassica Lindner, 1943 [SYNONYM SPECIES 9902:B9QDP nidx=null parent=B9TZ8]
Eulota (Acusta) ravida redfieldi
 - Eulota (Acusta) ravida redfieldi (L. Pfeiffer, 1852) [SYNONYM SUBSPECIES 9893:8L975 nidx=null parent=8LV5K]
 + Eulota (Acusta) ravida redfieldi (Reeve, 1852) [SYNONYM SUBSPECIES 9902:BCQF3 nidx=null parent=B927Y]
Eumallopoda
 - Eumallopoda Wallengren, 1858 [SYNONYM GENUS 9893:94MZQ nidx=null parent=92F8S]
 + Eumallopoda Wallengren, 1859 [SYNONYM GENUS 9902:BBY2Y nidx=null parent=92F8S]
Euphausiacea
 - Euphausiacea [ACCEPTED ORDER 9893:37P nidx=null]
 + Euphausiacea Dana, 1852 [ACCEPTED ORDER 9902:B8WKS nidx=null]
Euplecta emiliana
 - Euplecta emiliana (L. Pfeiffer, 1854) [ACCEPTED SPECIES 9893:7R9V6 nidx=null]
 + Euplecta emiliana (Reeve, 1852) [ACCEPTED SPECIES 9902:BBDPZ nidx=null]
Euplecta isabellina
 - Euplecta isabellina (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7R9VG nidx=null]
 + Euplecta isabellina (Reeve, 1854) [ACCEPTED SPECIES 9902:BBDQ2 nidx=null]
Euplecta layardi
 - Euplecta layardi (L. Pfeiffer, 1853) [ACCEPTED SPECIES 9893:7R9VM nidx=null]
 + Euplecta layardi (Reeve, 1852) [ACCEPTED SPECIES 9902:BBDQ3 nidx=null]
Euplecta semidecussata
 - Euplecta semidecussata (L. Pfeiffer, 1851) [ACCEPTED SPECIES 9893:7R9WB nidx=null]
 + Euplecta semidecussata (Reeve, 1852) [ACCEPTED SPECIES 9902:B9LXZ nidx=null]
Euplecta verrucula
 - Euplecta verrucula (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7R9WK nidx=null]
 + Euplecta verrucula (Reeve, 1854) [ACCEPTED SPECIES 9902:BBDQ5 nidx=null]
Eupolia brocki
 - Eupolia brocki ? [SYNONYM SPECIES 9893:B87XB nidx=null parent=68D67]
 + Eupolia brocki ? [SYNONYM SPECIES 9902:BBDVK nidx=null parent=68D67]
Eupolia hemprichi
 - Eupolia hemprichi ? [SYNONYM SPECIES 9893:B87XC nidx=null parent=68D67]
 + Eupolia hemprichi ? [SYNONYM SPECIES 9902:BBDVL nidx=null parent=68D67]
Eupolia quinquelineata
 - Eupolia quinquelineata ? [SYNONYM SPECIES 9893:B87XD nidx=null parent=68D5Y]
 + Eupolia quinquelineata ? [SYNONYM SPECIES 9902:BBDVM nidx=null parent=68D5Y]
Euryparasitus
 - Euryparasitus [ACCEPTED GENUS 9893:4GVY nidx=null]
 + Euryparasitus Oudemans, 1902 [ACCEPTED GENUS 9902:B8V8B nidx=null]
 + Euryparasitus Oudemans, 1902 [SYNONYM SUBGENUS 9902:B8V8C nidx=null parent=B8V8B]
Euryphrissa plumipes
 - Euryphrissa plumipes (Walker, 1964) [ACCEPTED SPECIES 9893:6HG62 nidx=null]
 + Euryphrissa plumipes (Walker, [1865] ) [ACCEPTED SPECIES 9902:B9LYH nidx=null]
Euryphrissa syngenica
 - Euryphrissa syngenica Zukowsky, 1937 [ACCEPTED SPECIES 9893:3D5XF nidx=null]
 + Euryphrissa syngenica Zukowsky, 1936 [ACCEPTED SPECIES 9902:BBDXG nidx=null]
Euspiraxis dunkeri
 - Euspiraxis dunkeri (L. Pfeiffer, 1850) [SYNONYM SPECIES 9893:7R9Z8 nidx=null parent=7R4LB]
 + Euspiraxis dunkeri (L. Pfeiffer, 1853) [SYNONYM SPECIES 9902:BBDYG nidx=null parent=BB548]
Evanssellus
 - Evanssellus [ACCEPTED GENUS 9893:4HLY nidx=null]
 + Evanssellus Ryke, 1961 [ACCEPTED GENUS 9902:B8XXH nidx=null]
 + Evanssellus Ryke, 1961 [SYNONYM SUBGENUS 9902:B8XXJ nidx=null parent=B8XXH]
Evaza testacea
 - Evaza testacea (Hollis, 1962) [ACCEPTED SPECIES 9893:3DH7Y nidx=null]
 + Evaza testacea (Hollis, 1963) [ACCEPTED SPECIES 9902:B9QND nidx=null]
Exidia candida var. cartilaginea
 - Exidia candida var. cartilaginea (S. Lundell & Neuhoff) Spirin & Malysheva [SYNONYM VARIETY 9893:5NWX8 nidx=null parent=3DL27]
 + Exidia candida var. cartilaginea (S. Lundell & Neuhoff) Spirin & Malysheva [SYNONYM VARIETY 9902:BBL3B nidx=null parent=3DL27]
Exoprosopa empidiformis
 - Exoprosopa empidiformis Lindner, 1979 [ACCEPTED SPECIES 9893:3DPDZ nidx=null]
 + Exoprosopa empidiformis Lindner, 1975 [SYNONYM SPECIES 9902:B9QNJ nidx=null parent=4PTLV]
Farnoldia jurana subsp. bicincta
 - Farnoldia jurana subsp. bicincta (Hertel) Clauzade & Cl. Roux [SYNONYM SUBSPECIES 9893:7K5BD nidx=null parent=6HPHY]
 + Farnoldia jurana subsp. bicincta (Hertel) Clauzade & Cl. Roux [SYNONYM SUBSPECIES 9902:BBGCT nidx=null parent=6HPHY]
Farnoldia jurana subsp. muverani
 - Farnoldia jurana subsp. muverani (Müll. Arg.) Hafellner & Türk [SYNONYM SUBSPECIES 9893:7K5BC nidx=null parent=6HPHY]
 + Farnoldia jurana subsp. muverani (Müll. Arg.) Hafellner & Türk [SYNONYM SUBSPECIES 9902:BBGCV nidx=null parent=6HPHY]
Festuca octoflora subsp. hirtella
 - Festuca octoflora subsp. hirtella Piper [SYNONYM SUBSPECIES 9893:5HCC4 nidx=null parent=6HSTR]
 + Festuca octoflora subsp. hirtella Piper [SYNONYM SUBSPECIES 9902:BBGCY nidx=null parent=6HSTR]
Festuca ovina var. alpina
 - Festuca ovina var. alpina (Wimm. & Grab.) Godr. [SYNONYM VARIETY 9893:5NXPS nidx=null parent=6HRNW]
 + Festuca ovina var. alpina (Wimm. & Grab.) Godr. [SYNONYM VARIETY 9902:BBL3C nidx=null parent=6HRNW]
Festuca rubra subsp. commutata
 - Festuca rubra subsp. commutata Gaudin [SYNONYM SUBSPECIES 9893:5HCFZ nidx=null parent=6HTXG]
 + Festuca rubra subsp. commutata Gaudin [SYNONYM SUBSPECIES 9902:BBGCZ nidx=null parent=6HTXG]
Festuca rubra subsp. juncea
 - Festuca rubra subsp. juncea (Hack.) K.Richt. [SYNONYM SUBSPECIES 9893:5HCGH nidx=null parent=6HTXG]
 + Festuca rubra subsp. juncea (Hack.) K.Richt. [SYNONYM SUBSPECIES 9902:BBGD2 nidx=null parent=6HTXG]
Festuca rubra subsp. litoralis
 - Festuca rubra subsp. litoralis (G.Mey.) Auquier [SYNONYM SUBSPECIES 9893:5HCGQ nidx=null parent=6HTXG]
 + Festuca rubra subsp. litoralis (G.Mey.) Auquier [SYNONYM SUBSPECIES 9902:BBGD3 nidx=null parent=6HTXG]
Fissurina conspissata
 - Fissurina conspissata McCulloch, 1977 [ACCEPTED SPECIES 9893:7W7FP nidx=null]
 + Fissurina conspissata McCulloch, 1977 [SYNONYM SPECIES 9902:6J5QM nidx=null parent=BDPNN]
Foraminifera
 - Foraminifera [ACCEPTED PHYLUM 9893:4F nidx=null]
 + Foraminifera d'Orbigny, 1826 [ACCEPTED PHYLUM 9902:B8VCL nidx=null]
Fritillaria alfredae subsp. platyptera
 - Fritillaria alfredae subsp. platyptera (Sam. ex Rech.f.) Rix [ACCEPTED SUBSPECIES 9893:5HDJR nidx=null]
 + Fritillaria alfredae subsp. platyptera (Sam. ex Rech.f.) Rix [ACCEPTED SUBSPECIES 9902:BBGDT nidx=null]
Galerina autumnalis var. robusta
 - Galerina autumnalis var. robusta Thiers [SYNONYM VARIETY 9893:5P33M nidx=null parent=3F4GN]
 + Galerina autumnalis var. robusta Thiers [SYNONYM VARIETY 9902:BBL3N nidx=null parent=3F4GN]
Gamasellevans
 - Gamasellevans [ACCEPTED GENUS 9893:4LZM nidx=null]
 + Gamasellevans Loots & Ryke, 1967 [ACCEPTED GENUS 9902:B8YLL nidx=null]
Gamaselliphis
 - Gamaselliphis [ACCEPTED GENUS 9893:4LZN nidx=null]
 + Gamaselliphis Ryke, 1961 [ACCEPTED GENUS 9902:B8YLM nidx=null]
 + Gamaselliphis Ryke, 1961 [SYNONYM SUBGENUS 9902:B8YLN nidx=null parent=B8YLM]
Gamasellopsis
 - Gamasellopsis [ACCEPTED GENUS 9893:4LZP nidx=null]
 + Gamasellopsis Loots & Ryke, 1966 [ACCEPTED GENUS 9902:B8YLP nidx=null]
Gamasellus
 - Gamasellus [ACCEPTED GENUS 9893:4LZQ nidx=null]
 + Gamasellus Berlese, 1892 [ACCEPTED GENUS 9902:B8V8D nidx=null]
 + Gamasellus Berlese, 1892 [SYNONYM SUBGENUS 9902:B8V8F nidx=null parent=B8V8D]
Gamasellus major
 - Gamasellus major Pintchuk, 1972 [SYNONYM SPECIES 9893:3F7H6 nidx=null parent=33MGD]
 + Gamasellus major Pinchuk, 1972 [SYNONYM SPECIES 9902:BBFLL nidx=null parent=33MGD]
Gamasiphis
 - Gamasiphis [ACCEPTED GENUS 9893:4LZR nidx=null]
 + Gamasiphis Berlese, 1904 [ACCEPTED GENUS 9902:B8V8G nidx=null]
 + Gamasiphis Berlese, 1904 [SYNONYM SUBGENUS 9902:B8V8H nidx=null parent=B8V8G]
Gamasiphis denticus
 - Gamasiphis denticus Hafez & Nasr, 1979 [ACCEPTED SPECIES 9893:3F7JZ nidx=null]
 + Gamasiphis denticus Hafez & Nasr, 1980 [ACCEPTED SPECIES 9902:BBFLN nidx=null]
Gamasiphoides
 - Gamasiphoides [ACCEPTED GENUS 9893:4LZS nidx=null]
 + Gamasiphoides Womersley, 1956 [ACCEPTED GENUS 9902:B8XZ2 nidx=null]
 + Gamasiphoides Womersley, 1956 [SYNONYM SUBGENUS 9902:B8XZ3 nidx=null parent=B8XZ2]
Gamasitus
 - Gamasitus [ACCEPTED GENUS 9893:4LZT nidx=null]
 + Gamasitus Womersley, 1956 [ACCEPTED GENUS 9902:B8YLQ nidx=null]
Gammarus plumicornis
 - Gammarus plumicornis Costa A., 1853 [SYNONYM SPECIES 9893:3F8HX nidx=null parent=3F884]
 + Gammarus plumicornis A. Costa, 1853 [SYNONYM SPECIES 9902:BBFLP nidx=null parent=3F884]
Ganesella gouldi
 - Ganesella gouldi (L. Pfeiffer, 1845) [ACCEPTED SPECIES 9893:7RDBT nidx=null]
 + Ganesella gouldi (L. Pfeiffer, 1846) [ACCEPTED SPECIES 9902:BBFLR nidx=null]
Gastrotricha
 - Gastrotricha [ACCEPTED PHYLUM 9893:4H nidx=null]
 + Gastrotricha Metschnikoff, 1865 [ACCEPTED PHYLUM 9902:B8V3L nidx=null]
Gecarcinucoidea
 - Gecarcinucoidea Rathbun, 1904 [ACCEPTED SUPERFAMILY 9893:7NFNQ nidx=null]
 + Gecarcinucoidea Rathbun, 1904 [ACCEPTED SUPERFAMILY 9902:B8VFB nidx=null]
Gemicia
 - Gemicia Yildirim [SYNONYM GENUS 9893:9V4L8 nidx=null parent=8W3G6]
 + Gemicia Yildirim [SYNONYM GENUS 9902:BBYNX nidx=null parent=8W3G6]
Geogamasus
 - Geogamasus [ACCEPTED GENUS 9893:4MX8 nidx=null]
 + Geogamasus Lee, 1970 [ACCEPTED GENUS 9902:B8XZJ nidx=null]
Geogamasus tuberosus
 - Geogamasus tuberosus Karg, 1976 [ACCEPTED SPECIES 9893:3FPRS nidx=null]
 + Geogamasus tuberosus Karg & Schorlemmer, 2011 [ACCEPTED SPECIES 9902:BBFN8 nidx=null]
Geryonidae
 - Geryonidae Colosi, 1923 [ACCEPTED FAMILY 9893:7NHNC nidx=null]
 + Geryonidae Colosi, 1924 [ACCEPTED FAMILY 9902:B8V9S nidx=null]
Geryoninae
 - Geryoninae Colosi, 1923 [ACCEPTED SUBFAMILY 9893:847FV nidx=null]
 + Geryoninae Colosi, 1924 [ACCEPTED SUBFAMILY 9902:B8X2P nidx=null]
Gimnomera fasciventris
 - Gimnomera fasciventris Malloch, 1920 [SYNONYM SPECIES 9893:88B9Y nidx=null parent=89TR6]
 + Gimnomera fasciventris Malloch, 1920 [ACCEPTED SPECIES 9902:3G36T nidx=null]
Glossosphecia micans
 - Glossosphecia micans Diakonoff, 1967 [SYNONYM SPECIES 9893:6KLFM nidx=null parent=98LCN]
 + Glossosphecia micans Diakonoff, [1968] [SYNONYM SPECIES 9902:BBFX6 nidx=null parent=BBDJG]
Glossosphecia pelocroca
 - Glossosphecia pelocroca Diakonoff, 1967 [SYNONYM SPECIES 9893:3GDYF nidx=null parent=98LCP]
 + Glossosphecia pelocroca Diakonoff, [1968] [SYNONYM SPECIES 9902:BBFX7 nidx=null parent=BDLLT]
Glyceria fluitans subsp. obtusiflora
 - Glyceria fluitans subsp. obtusiflora (Sond.) Čelak. [SYNONYM SUBSPECIES 9893:9N8RG nidx=null parent=6KMGT]
 + Glyceria fluitans subsp. obtusiflora (Sond.) Čelak. [SYNONYM SUBSPECIES 9902:BDDRP nidx=null parent=6KMGT]
Glyphis cicatricosa var. confluens
 - Glyphis cicatricosa var. confluens (Zenker) Zahlbr. [SYNONYM VARIETY 9893:5P6ML nidx=null parent=6KLWW]
 + Glyphis cicatricosa var. confluens (Zenker) Zahlbr. [SYNONYM VARIETY 9902:BBL3S nidx=null parent=6KLWW]
Glyphochloa acuminata var. stocksii
 - Glyphochloa acuminata var. stocksii (Hook.f.) Clayton [ACCEPTED VARIETY 9893:5P6MT nidx=null]
 + Glyphochloa acuminata var. stocksii (Hook.f.) Clayton [ACCEPTED VARIETY 9902:BBL3T nidx=null]
Gnathostomulida
 - Gnathostomulida [ACCEPTED PHYLUM 9893:4N nidx=null]
 + Gnathostomulida Riedl, 1969 [ACCEPTED PHYLUM 9902:B8VDL nidx=null]
Gomphillus calycioides f. microcephalus
 - Gomphillus calycioides f. microcephalus (Taylor) Nyl. [SYNONYM FORM 9893:5SKKY nidx=null parent=3GSNW]
 + Gomphillus calycioides f. microcephalus (Taylor) Nyl. [SYNONYM FORM 9902:BBLJY nidx=null parent=3GSNW]
Goneplacoidea
 - Goneplacoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9893:56H nidx=null]
 + Goneplacoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9902:B8WMS nidx=null]
Gonomyia (Leiponeura)
 - Gonomyia (Leiponeura) Skuse, 1890 [ACCEPTED SUBGENUS 9893:8GZSS nidx=null]
 + Gonomyia (Leiponeura) Skuse, 1890 [ACCEPTED SUBGENUS 9902:B8ZPN nidx=null]
Gorgonia aurantiaca
 - Gorgonia aurantiaca (Horn, 1861) [SYNONYM SPECIES 9893:8KPXS nidx=null parent=3C8CQ]
 + Gorgonia aurantiaca (Horn, 1860) [SYNONYM SPECIES 9902:BBGDW nidx=null parent=B9LPT]
Gorgonia engelmanni
 - Gorgonia engelmanni (Horn, 1861) [SYNONYM SPECIES 9893:85SBC nidx=null parent=85W9X]
 + Gorgonia engelmanni (Horn, 1860) [SYNONYM SPECIES 9902:BBGDX nidx=null parent=BC3XW]
Gowdeyana mirabilis
 - Gowdeyana mirabilis Curran, 1928 [ACCEPTED SPECIES 9893:6KS4D nidx=null]
 + Gowdeyana mirabilis Curran, 1927 [ACCEPTED SPECIES 9902:B9QZ2 nidx=null]
Graphis scripta f. diffusa
 - Graphis scripta f. diffusa (Leight.) Leight. [SYNONYM FORM 9893:5SKRC nidx=null parent=3H9TZ]
 + Graphis scripta f. diffusa (Leight.) Leight. [SYNONYM FORM 9902:BBLJZ nidx=null parent=3H9TZ]
Graphis scripta f. divaricata
 - Graphis scripta f. divaricata (Mudd) Leight. [SYNONYM FORM 9893:9ZRTT nidx=null parent=3H8WG]
 + Graphis scripta f. divaricata (Mudd) Leight. [SYNONYM FORM 9902:BBLK2 nidx=null parent=3H8WG]
Graphis scripta var. abietina
 - Graphis scripta var. abietina (Schaer.) Rabenh. [SYNONYM VARIETY 9893:5P7GH nidx=null parent=3H9TZ]
 + Graphis scripta var. abietina (Schaer.) Rabenh. [SYNONYM VARIETY 9902:BBL3V nidx=null parent=3H9TZ]
Graphis scripta var. cerasi
 - Graphis scripta var. cerasi (Pers.) Ach. [SYNONYM VARIETY 9893:5P7GL nidx=null parent=3H9TZ]
 + Graphis scripta var. cerasi (Pers.) Ach. [SYNONYM VARIETY 9902:BBL3W nidx=null parent=3H9TZ]
Graphis scripta var. eutypa
 - Graphis scripta var. eutypa (Ach.) Mudd [SYNONYM VARIETY 9893:5P7GS nidx=null parent=3H9TZ]
 + Graphis scripta var. eutypa (Ach.) Mudd [SYNONYM VARIETY 9902:BBL3X nidx=null parent=3H9TZ]
Grapsoidea
 - Grapsoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9893:7NFNX nidx=null]
 + Grapsoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9902:B8VFD nidx=null]
Grosmannia maixiuensis
 - Grosmannia maixiuensis M.L. Yin, Z.W. de Beer & M.J. Wingf. [ACCEPTED SPECIES 9893:9Z7YP nidx=null]
 + Grosmannia maixiuensis M.L. Yin, Z.W. de Beer & M.J. Wingf. [ACCEPTED SPECIES 9902:BDGX8 nidx=null]
Gyalideopsis vainioi var. semicirculata
 - Gyalideopsis vainioi var. semicirculata Lücking & W.R. Buck [SYNONYM VARIETY 9893:5P84D nidx=null parent=3HNSP]
 + Gyalideopsis vainioi var. semicirculata Lücking & W.R. Buck [SYNONYM VARIETY 9902:BBL3Z nidx=null parent=3HNSP]
Gyalolechia bracteata subsp. deformis
 - Gyalolechia bracteata subsp. deformis (Erichsen) Hafellner & Türk [SYNONYM SUBSPECIES 9893:5HK75 nidx=null parent=3HNT5]
 + Gyalolechia bracteata subsp. deformis (Erichsen) Hafellner & Türk [SYNONYM SUBSPECIES 9902:BBGNB nidx=null parent=3HNT5]
Gyalolechia flavorubescens var. quercina
 - Gyalolechia flavorubescens var. quercina (Flagey) Nimis [SYNONYM VARIETY 9893:7M57W nidx=null parent=B369W]
 + Gyalolechia flavorubescens var. quercina (Flagey) Nimis [SYNONYM VARIETY 9902:BBL42 nidx=null parent=B369W]
Gymnodinium lohmannii
 - Gymnodinium lohmannii Paulsen, 1908 [AMBIGUOUS_SYNONYM SPECIES 9893:B88YW nidx=null parent=3HRSS]
 + Gymnodinium lohmannii Paulsen, 1908 [AMBIGUOUS_SYNONYM SPECIES 9902:BBHM6 nidx=null parent=6KV8Q]
 + Gymnodinium lohmannii Paulsen, 1908 [AMBIGUOUS_SYNONYM SPECIES 9902:BBHM7 nidx=null parent=3HRSS]
Gynoplistia (Cerozodia)
 - Gynoplistia (Cerozodia) Westwood, 1835 [ACCEPTED SUBGENUS 9893:8H2J6 nidx=null]
 + Gynoplistia (Cerozodia) Westwood, 1835 [ACCEPTED SUBGENUS 9902:B8ZNW nidx=null]
Gynoplistia (Xenolimnophila)
 - Gynoplistia (Xenolimnophila) Alexander, 1922 [ACCEPTED SUBGENUS 9893:8GZ2B nidx=null]
 + Gynoplistia (Xenolimnophila) Alexander, 1922 [ACCEPTED SUBGENUS 9902:B8ZR6 nidx=null]
Gyrophora cylindrica subsp. tornata
 - Gyrophora cylindrica subsp. tornata (Ach.) Lamy [SYNONYM SUBSPECIES 9893:B2P69 nidx=null parent=7DGRY]
 + Gyrophora cylindrica subsp. tornata (Ach.) Lamy [SYNONYM SUBSPECIES 9902:BDDRV nidx=null parent=7DGRY]
Haematomma ochroleucum var. porphyrium
 - Haematomma ochroleucum var. porphyrium (Pers.) J.R. Laundon [SYNONYM VARIETY 9893:5P8MW nidx=null parent=3J876]
 + Haematomma ochroleucum var. porphyrium (Pers.) J.R. Laundon [SYNONYM VARIETY 9902:BBL43 nidx=null parent=3J876]
Hansenium caicoensis
 - Hansenium caicoensis [SYNONYM SPECIES 9893:7VBNJ nidx=null parent=602f85ca-8663-415b-a6cf-314b7360c41e]
 + Hansenium caicoensis (Kensley & Heard, 1991) [SYNONYM SPECIES 9902:BBJ94 nidx=null parent=e84f5c48-f7a1-4ed3-b309-c53e7b188e92]
Happia (Happiella) mediocris
 - Happia (Happiella) mediocris (L. Pfeiffer, 1855) [SYNONYM SPECIES 9893:8M3RW nidx=null parent=8M4YH]
 + Happia (Happiella) mediocris (Reeve, 1854) [SYNONYM SPECIES 9902:BBJDF nidx=null parent=BBJDJ]
Happia ammonoceras
 - Happia ammonoceras (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:8NCSW nidx=null]
 + Happia ammonoceras (Reeve, 1854) [ACCEPTED SPECIES 9902:BBJDG nidx=null]
Happia euspira
 - Happia euspira (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7RHBM nidx=null]
 + Happia euspira (Reeve, 1854) [ACCEPTED SPECIES 9902:BBJDH nidx=null]
Happia flora
 - Happia flora (L. Pfeiffer, 1852) [ACCEPTED SPECIES 9893:8ZHXW nidx=null]
 + Happia flora (Reeve, 1852) [ACCEPTED SPECIES 9902:BBWNK nidx=null]
Happiella mediocris
 - Happiella mediocris (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:8M4YH nidx=null]
 + Happiella mediocris (Reeve, 1854) [ACCEPTED SPECIES 9902:BBJDJ nidx=null]
Helentappanella jacksonensis
 - Helentappanella jacksonensis (Cushman, 1933) [ACCEPTED SPECIES 9893:82QNW nidx=null]
 + Helentappanella jacksonensis (Cushman, 1927) [SYNONYM SPECIES 9902:BBJHC nidx=null parent=BDPMZ]
Helicostyla (Calocochlea) mindorana
 - Helicostyla (Calocochlea) mindorana (Hartmann, 1829) [SYNONYM SPECIES 9893:8M3PF nidx=null parent=7QJNK]
 + Helicostyla (Calocochlea) mindorana (W. Hartmann, 1842) [SYNONYM SPECIES 9902:BBJHS nidx=null parent=7QJNK]
Helicostyla (Calocochlea) zonifera var. circe
 - Helicostyla (Calocochlea) zonifera var. circe (L. Pfeiffer, 1854) [SYNONYM VARIETY 9893:8M3VX nidx=null parent=7TRFR]
 + Helicostyla (Calocochlea) zonifera var. circe (Reeve, 1853) [SYNONYM VARIETY 9902:BCTC9 nidx=null parent=BCPNG]
Helicostyla (Corasia) aeruginosa
 - Helicostyla (Corasia) aeruginosa (L. Pfeiffer, 1855) [SYNONYM SPECIES 9893:8M3HZ nidx=null parent=7QNJJ]
 + Helicostyla (Corasia) aeruginosa (Reeve, 1854) [SYNONYM SPECIES 9902:BBJHT nidx=null parent=B9RSJ]
Helicostyla (Corasia) puella var. lais
 - Helicostyla (Corasia) puella var. lais (L. Pfeiffer, 1854) [SYNONYM VARIETY 9893:8M439 nidx=null parent=7TRXQ]
 + Helicostyla (Corasia) puella var. lais (Reeve, 1853) [SYNONYM VARIETY 9902:BCTCB nidx=null parent=BCQ6T]
Helicostyla (Eudoxus) belcheri
 - Helicostyla (Eudoxus) belcheri (L. Pfeiffer, 1851) [SYNONYM SPECIES 9893:7RJC3 nidx=null parent=7RJDW]
 + Helicostyla (Eudoxus) belcheri (L. Pfeiffer, 1853) [SYNONYM SPECIES 9902:BBJHV nidx=null parent=BBJHW]
Helicostyla (Helicostyla) rehbeini
 - Helicostyla (Helicostyla) rehbeini (L. Pfeiffer, 1852) [SYNONYM SPECIES 9893:8NDK8 nidx=null parent=B8TLG]
 + Helicostyla (Helicostyla) rehbeini (Reeve, 1852) [SYNONYM SPECIES 9902:BBJHY nidx=null parent=BDLDS]
Helicostyla (Orthostylus) glaucophthalmus
 - Helicostyla (Orthostylus) glaucophthalmus (L. Pfeiffer, 1851) [SYNONYM SPECIES 9893:8NCFD nidx=null parent=7RJG4]
 + Helicostyla (Orthostylus) glaucophthalmus (L. Pfeiffer, 1853) [SYNONYM SPECIES 9902:BBJHZ nidx=null parent=BBJJ2]
Helicostyla belcheri
 - Helicostyla belcheri (L. Pfeiffer, 1851) [ACCEPTED SPECIES 9893:7RJDW nidx=null]
 + Helicostyla belcheri (L. Pfeiffer, 1853) [ACCEPTED SPECIES 9902:BBJHW nidx=null]
Helicostyla glaucophthalma
 - Helicostyla glaucophthalma (L. Pfeiffer, 1851) [ACCEPTED SPECIES 9893:7RJG4 nidx=null]
 + Helicostyla glaucophthalma (L. Pfeiffer, 1853) [ACCEPTED SPECIES 9902:BBJJ2 nidx=null]
Helicostyla rehbeini
 - Helicostyla rehbeini (L. Pfeiffer, 1852) [SYNONYM SPECIES 9893:8MWNP nidx=null parent=B8TLG]
 + Helicostyla rehbeini (Reeve, 1852) [SYNONYM SPECIES 9902:BBJHX nidx=null parent=BDLDS]
Helius (Mammuthonasus)
 - Helius (Mammuthonasus) Theischinger, 1994 [ACCEPTED SUBGENUS 9893:8GZ6Y nidx=null]
 + Helius (Mammuthonasus) Theischinger, 1994 [ACCEPTED SUBGENUS 9902:B8ZPS nidx=null]
Helix (Gonostoma) contorta
 - Helix (Gonostoma) contorta Ziegler [SYNONYM SPECIES 9893:7RJW4 nidx=null parent=6QG5T]
 + Helix (Gonostoma) contorta Rossmässler, 1838 [SYNONYM SPECIES 9902:BBJJK nidx=null parent=6QG5T]
Helix abnormis
 - Helix abnormis L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:879D3 nidx=null parent=6QP7B]
 + Helix abnormis Reeve, 1854 [SYNONYM SPECIES 9902:BBJJM nidx=null parent=6QP7B]
Helix aeruginosa
 - Helix aeruginosa L. Pfeiffer, 1855 [AMBIGUOUS_SYNONYM SPECIES 9893:7RKGF nidx=null parent=7QNJJ]
 + Helix aeruginosa Reeve, 1854 [AMBIGUOUS_SYNONYM SPECIES 9902:BBJJN nidx=null parent=B9RSJ]
Helix albersiana
 - Helix albersiana L. Pfeiffer, 1851 [SYNONYM SPECIES 9893:7RKH4 nidx=null parent=7SQLK]
 + Helix albersiana L. Pfeiffer, 1853 [SYNONYM SPECIES 9902:BBJJP nidx=null parent=BC5BX]
Helix alpha
 - Helix alpha L. Pfeiffer, 1853 [SYNONYM SPECIES 9893:7RKHR nidx=null parent=64ZSL]
 + Helix alpha Reeve, 1852 [SYNONYM SPECIES 9902:BBJJQ nidx=null parent=64ZSL]
Helix ammonoceras
 - Helix ammonoceras L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:8NCT7 nidx=null parent=8NCSW]
 + Helix ammonoceras Reeve, 1854 [SYNONYM SPECIES 9902:BBJJR nidx=null parent=BBJDG]
Helix aspersa var. minor
 - Helix aspersa var. minor Paulucci, 1879 [SYNONYM VARIETY 9893:7V74R nidx=null parent=YG75]
 + Helix aspersa var. minor Paulucci, 1880 [SYNONYM VARIETY 9902:BCTCK nidx=null parent=YG75]
Helix barrakporensis
 - Helix barrakporensis L. Pfeiffer, 1853 [SYNONYM SPECIES 9893:3KDW4 nidx=null parent=6NK2L]
 + Helix barrakporensis Reeve, 1852 [SYNONYM SPECIES 9902:BBJJS nidx=null parent=B9QS5]
Helix brardiana
 - Helix brardiana L. Pfeiffer, 1853 [SYNONYM SPECIES 9893:8M3WZ nidx=null parent=N4VZ]
 + Helix brardiana Reeve, 1852 [SYNONYM SPECIES 9902:BBJJT nidx=null parent=N4VZ]
Helix capitanea
 - Helix capitanea L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:7RKWN nidx=null parent=HCHC]
 + Helix capitanea Reeve, 1854 [SYNONYM SPECIES 9902:BBJJV nidx=null parent=HCHC]
Helix catenifera
 - Helix catenifera L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:7RKXR nidx=null parent=7T68L]
 + Helix catenifera Reeve, 1852 [SYNONYM SPECIES 9902:BBJJW nidx=null parent=BBCS3]
Helix ceres
 - Helix ceres L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:7RKY8 nidx=null parent=7SPJ6]
 + Helix ceres Reeve, 1853 [SYNONYM SPECIES 9902:BBJJX nidx=null parent=BC4WV]
Helix circe
 - Helix circe L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:7RKZS nidx=null parent=7TRFR]
 + Helix circe Reeve, 1853 [SYNONYM SPECIES 9902:BBJJY nidx=null parent=BCPNG]
Helix cyathus
 - Helix cyathus L. Pfeiffer, 1845 [SYNONYM SPECIES 9893:7RL6J nidx=null parent=7TM87]
 + Helix cyathus L. Pfeiffer, 1846 [SYNONYM SPECIES 9902:BBJK5 nidx=null parent=BCM6X]
Helix emiliana
 - Helix emiliana L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:7RLBZ nidx=null parent=7R9V6]
 + Helix emiliana Reeve, 1852 [SYNONYM SPECIES 9902:BBJK7 nidx=null parent=BBDPZ]
Helix euspira
 - Helix euspira L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:8M3VL nidx=null parent=7RHBM]
 + Helix euspira Reeve, 1854 [SYNONYM SPECIES 9902:BBJK8 nidx=null parent=BBJDH]
Helix flora
 - Helix flora L. Pfeiffer, 1852 [AMBIGUOUS_SYNONYM SPECIES 9893:8Z6F2 nidx=null parent=8ZHXW]
 + Helix flora Reeve, 1852 [AMBIGUOUS_SYNONYM SPECIES 9902:BBJK9 nidx=null parent=BBWNK]
Helix gouldi
 - Helix gouldi L. Pfeiffer, 1845 [SYNONYM SPECIES 9893:7RLJQ nidx=null parent=7RDBT]
 + Helix gouldi L. Pfeiffer, 1846 [SYNONYM SPECIES 9902:BBJKC nidx=null parent=BBFLR]
Helix guayaquilensis
 - Helix guayaquilensis L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:8ZGWV nidx=null parent=7T4DY]
 + Helix guayaquilensis Reeve, 1852 [SYNONYM SPECIES 9902:BBWP8 nidx=null parent=BCGDL]
Helix isabellina
 - Helix isabellina L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:7RLQT nidx=null parent=7R9VG]
 + Helix isabellina Reeve, 1854 [SYNONYM SPECIES 9902:BBJL5 nidx=null parent=BBDQ2]
Helix keppelli
 - Helix keppelli L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:7RLRS nidx=null parent=7SK8G]
 + Helix keppelli Reeve, 1854 [SYNONYM SPECIES 9902:BBJL6 nidx=null parent=BC3QT]
Helix lais
 - Helix lais L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:7RLSY nidx=null parent=7TRXQ]
 + Helix lais Reeve, 1853 [SYNONYM SPECIES 9902:BBJL7 nidx=null parent=BCQ6T]
Helix layardi
 - Helix layardi L. Pfeiffer, 1853 [SYNONYM SPECIES 9893:7RLTP nidx=null parent=7R9VM]
 + Helix layardi Reeve, 1852 [SYNONYM SPECIES 9902:BBJL8 nidx=null parent=BBDQ3]
Helix malaccana
 - Helix malaccana L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:7RLY7 nidx=null parent=7RZQJ]
 + Helix malaccana L. Pfeiffer, 1855 [SYNONYM SPECIES 9902:BBJLK nidx=null parent=B9STR]
Helix marmatensis
 - Helix marmatensis L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:7RLYK nidx=null parent=7T6C2]
 + Helix marmatensis Reeve, 1854 [SYNONYM SPECIES 9902:BBJLL nidx=null parent=BBCS4]
Helix martini
 - Helix martini L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:7RLYV nidx=null parent=7R5WF]
 + Helix martini Reeve, 1854 [SYNONYM SPECIES 9902:BBJLM nidx=null parent=BB8L6]
Helix maxima
 - Helix maxima L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:7RLZ4 nidx=null parent=7SM6L]
 + Helix maxima Reeve, 1853 [SYNONYM SPECIES 9902:BBJLN nidx=null parent=BC4CY]
Helix mediocris
 - Helix mediocris L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:8LXJ2 nidx=null parent=8M4YH]
 + Helix mediocris Reeve, 1854 [SYNONYM SPECIES 9902:BBJLP nidx=null parent=BBJDJ]
Helix membranicosta
 - Helix membranicosta L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:6LM7G nidx=null parent=597GW]
 + Helix membranicosta Reeve, 1854 [SYNONYM SPECIES 9902:BBJLQ nidx=null parent=BCL95]
Helix muehlfeldtiana
 - Helix muehlfeldtiana L. Pfeiffer, 1854 [AMBIGUOUS_SYNONYM SPECIES 9893:7RM49 nidx=null parent=6TYH3]
 + Helix muehlfeldtiana Reeve, 1852 [SYNONYM SPECIES 9902:BBJLX nidx=null parent=6TYH3]
Helix nostrandiae
 - Helix nostrandiae Crosse, 1876 [SYNONYM SPECIES 9893:7RM6B nidx=null parent=7TDQV]
 + Helix nostrandiae [sic] [SYNONYM SPECIES 9902:BBJM2 nidx=null parent=7TDQV]
Helix novella
 - Helix novella L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:8M38B nidx=null parent=7QWDJ]
 + Helix novella Reeve, 1854 [SYNONYM SPECIES 9902:BBJM3 nidx=null parent=B9VK6]
Helix nuda
 - Helix nuda L. Pfeiffer, 1852 [SYNONYM SPECIES 9893:7RM6J nidx=null parent=7RZR7]
 + Helix nuda Reeve, 1852 [SYNONYM SPECIES 9902:BBJM4 nidx=null parent=BBVZX]
Helix phaedra
 - Helix phaedra L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:7RMD8 nidx=null parent=7RWD4]
 + Helix phaedra Reeve, 1852 [SYNONYM SPECIES 9902:BBJM5 nidx=null parent=BBRM9]
Helix planti
 - Helix planti L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:6LLKF nidx=null parent=69SL7]
 + Helix planti Reeve, 1854 [SYNONYM SPECIES 9902:BBJM7 nidx=null parent=69SL7]
Helix pruinosa
 - Helix pruinosa L. Pfeiffer, 1852 [SYNONYM SPECIES 9893:7RMJ3 nidx=null parent=7TCNQ]
 + Helix pruinosa Reeve, 1852 [SYNONYM SPECIES 9902:BBJM9 nidx=null parent=BCKF9]
Helix radiaria
 - Helix radiaria L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:7RML5 nidx=null parent=4WWD2]
 + Helix radiaria Reeve, 1854 [SYNONYM SPECIES 9902:BBJMB nidx=null parent=4WWD2]
Helix redfieldi
 - Helix redfieldi L. Pfeiffer, 1852 [SYNONYM SPECIES 9893:8L2ZV nidx=null parent=8LV5K]
 + Helix redfieldi Reeve, 1852 [SYNONYM SPECIES 9902:BBJMC nidx=null parent=B927Y]
Helix rehbeini
 - Helix rehbeini L. Pfeiffer, 1852 [SYNONYM SPECIES 9893:7RMMB nidx=null parent=B8TLG]
 + Helix rehbeini Reeve, 1852 [SYNONYM SPECIES 9902:BBJMD nidx=null parent=BDLDS]
Helix sannio
 - Helix sannio L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:6LLPR nidx=null parent=385JF]
 + Helix sannio Reeve, 1854 [SYNONYM SPECIES 9902:BBJMF nidx=null parent=385JF]
Helix santanaensis
 - Helix santanaensis L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:7RMQ7 nidx=null parent=7TCNR]
 + Helix santanaensis Reeve, 1854 [SYNONYM SPECIES 9902:BBJMG nidx=null parent=BCKFB]
Helix scytodes
 - Helix scytodes L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:6LLPG nidx=null parent=7D7ZP]
 + Helix scytodes Reeve, 1854 [SYNONYM SPECIES 9902:BBJMH nidx=null parent=BCL96]
Helix semidecussata
 - Helix semidecussata L. Pfeiffer, 1851 [SYNONYM SPECIES 9893:7RMRX nidx=null parent=7R9WB]
 + Helix semidecussata Reeve, 1852 [SYNONYM SPECIES 9902:BBJMJ nidx=null parent=B9LXZ]
Helix stimpsoni
 - Helix stimpsoni L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:7RMW2 nidx=null parent=N4VZ]
 + Helix stimpsoni Reeve, 1854 [SYNONYM SPECIES 9902:BBJMR nidx=null parent=N4VZ]
Helix strongylodes
 - Helix strongylodes L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:7RMWM nidx=null parent=7Q4BR]
 + Helix strongylodes Reeve, 1854 [SYNONYM SPECIES 9902:BBJMS nidx=null parent=B93R3]
Helix strumosa
 - Helix strumosa L. Pfeiffer, 1854 [SYNONYM SPECIES 9893:7RMWN nidx=null parent=7SQLS]
 + Helix strumosa Reeve, 1852 [SYNONYM SPECIES 9902:BBJMT nidx=null parent=BB3VV]
Helix thomasi
 - Helix thomasi L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:8M4W4 nidx=null parent=7T4FC]
 + Helix thomasi Reeve, 1854 [SYNONYM SPECIES 9902:BBJMX nidx=null parent=BCGDM]
Helix verrucula
 - Helix verrucula L. Pfeiffer, 1855 [SYNONYM SPECIES 9893:8M4KH nidx=null parent=7R9WK]
 + Helix verrucula Reeve, 1854 [SYNONYM SPECIES 9902:BBJN2 nidx=null parent=BBDQ5]
Helix woodiana
 - Helix woodiana L. Pfeiffer, 1853 [SYNONYM SPECIES 9893:3KF2X nidx=null parent=3X44C]
 + Helix woodiana Reeve, 1852 [SYNONYM SPECIES 9902:BBJN4 nidx=null parent=BBW25]
Helvella elastica var. albida
 - Helvella elastica var. albida Gillet [SYNONYM VARIETY 9893:7M4SL nidx=null parent=3KJXL]
 + Helvella elastica var. albida Gillet [SYNONYM VARIETY 9902:BBL44 nidx=null parent=3KJXL]
Hemilea roborowskii
 - Hemilea roborowskii Becker, 1908 [SYNONYM SPECIES 9893:88C4V nidx=null parent=3NND8]
 + Hemilea roborowskii Becker, 1907 [SYNONYM SPECIES 9902:B9RPL nidx=null parent=B9S5Z]
Hepatus pudibundus
 - Hepatus pudibundus (Herbst, 1758) [ACCEPTED SPECIES 9893:92ZMD nidx=null]
 + Hepatus pudibundus (Herbst, 1785) [ACCEPTED SPECIES 9902:3KW4G nidx=null]
Hercostomus kedrovus
 - Hercostomus kedrovus Negrobov & Logvinovskii, 1977 [SYNONYM SPECIES 9893:88ZBD nidx=null parent=8CBDT]
 + Hercostomus kedrovus Negrobov, 1991 [SYNONYM SPECIES 9902:B9RPQ nidx=null parent=B9RPT]
Heterodermia leucomelos f. albociliata
 - Heterodermia leucomelos f. albociliata (Hue) D.D. Awasthi [SYNONYM FORM 9893:B26GS nidx=null parent=6Q59X]
 + Heterodermia leucomelos f. albociliata (Hue) D.D. Awasthi [SYNONYM FORM 9902:BBLK3 nidx=null parent=6Q59X]
Heterogamasus
 - Heterogamasus [ACCEPTED GENUS 9893:4WF6 nidx=null]
 + Heterogamasus Trägårdh, 1907 [ACCEPTED GENUS 9902:B8YTF nidx=null]
 + Heterogamasus Trägårdh, 1907 [SYNONYM SUBGENUS 9902:B8YTG nidx=null parent=B8YTF]
Heterosphecia melissoides
 - Heterosphecia melissoides (Hampson, 1892) [ACCEPTED SPECIES 9893:3LDXD nidx=null]
 + Heterosphecia melissoides (Hampson, [1893] ) [ACCEPTED SPECIES 9902:BBKVC nidx=null]
Heterosphecia myticus
 - Heterosphecia myticus Le Cerf, 1915 [ACCEPTED SPECIES 9893:6LRZN nidx=null]
 + Heterosphecia myticus Le Cerf, 1916 [SYNONYM SPECIES 9902:BBKVD nidx=null parent=BBKVC]
Hexapodoidea
 - Hexapodoidea Miers, 1886 [ACCEPTED SUPERFAMILY 9893:7NGNX nidx=null]
 + Hexapodoidea Miers, 1886 [ACCEPTED SUPERFAMILY 9902:B8WMV nidx=null]
Hexatoma (Cladolipes)
 - Hexatoma (Cladolipes) Loew, 1865 [ACCEPTED SUBGENUS 9893:8GNFB nidx=null]
 + Hexatoma (Cladolipes) Loew, 1865 [ACCEPTED SUBGENUS 9902:B8ZNY nidx=null]
Hexatoma (Coreozelia)
 - Hexatoma (Coreozelia) Enderlein, 1936 [ACCEPTED SUBGENUS 9893:8GNFC nidx=null]
 + Hexatoma (Coreozelia) Enderlein, 1936 [ACCEPTED SUBGENUS 9902:B8ZNZ nidx=null]
Hexatoma (Euhexatoma)
 - Hexatoma (Euhexatoma) Alexander, 1936 [ACCEPTED SUBGENUS 9893:8GZTD nidx=null]
 + Hexatoma (Euhexatoma) Alexander, 1936 [ACCEPTED SUBGENUS 9902:B8ZPC nidx=null]
Hexatoma (Parahexatoma)
 - Hexatoma (Parahexatoma) Alexander, 1951 [ACCEPTED SUBGENUS 9893:8H25D nidx=null]
 + Hexatoma (Parahexatoma) Alexander, 1951 [ACCEPTED SUBGENUS 9902:B8ZQ6 nidx=null]
Heydeniella
 - Heydeniella [ACCEPTED GENUS 9893:4X3M nidx=null]
 + Heydeniella Richters, 1907 [ACCEPTED GENUS 9902:B8Y5G nidx=null]
Hiniphis
 - Hiniphis [ACCEPTED GENUS 9893:4XD3 nidx=null]
 + Hiniphis Lee, 1970 [ACCEPTED GENUS 9902:B8YX6 nidx=null]
Hirtodrosophila hexaspina
 - Hirtodrosophila hexaspina Fartyal & Singh, 2000 [ACCEPTED SPECIES 9893:6M8CN nidx=null]
 + Hirtodrosophila hexaspina Fartyal & Singh, 2002 [ACCEPTED SPECIES 9902:B9RV2 nidx=null]
Hispanirhynchia craneana
 - Hispanirhynchia craneana Thomson, 1927 [SYNONYM SPECIES 9893:8GB2X nidx=null parent=8NL4]
 + Hispanirhynchia craneana (Dall, 1895) [SYNONYM SPECIES 9902:B8VQ2 nidx=null parent=8NL4]
Histiomena marginata
 - Histiomena marginata (Örsted & Mörch, 1859) [ACCEPTED SPECIES 9893:9G4ZR nidx=null]
 + Histiomena marginata (Mörch, 1859) [ACCEPTED SPECIES 9902:3M5DX nidx=null]
Hogna furva cingulipes
 - Hogna furva cingulipes (Simon, 1909) [ACCEPTED SUBSPECIES 9893:93XL6 nidx=null]
 + Hogna furva cingulipes (Simon, 1909) [ACCEPTED SUBSPECIES 9902:BBHH4 nidx=null]
Holothuroidea
 - Holothuroidea [ACCEPTED CLASS 9893:6224V nidx=null]
 + Holothuroidea de Blainville, 1834 [ACCEPTED CLASS 9902:B8V3V nidx=null]
Holthuisia picta
 - Holthuisia picta (H. Milne Edwards, 1834) [SYNONYM SPECIES 9893:3MBXC nidx=null parent=53N9W]
 + Holthuisia picta (H. Milne Edwards, 1853) [SYNONYM SPECIES 9902:BBLLB nidx=null parent=53N9W]
Homolodromioidea
 - Homolodromioidea Alcock, 1900 [ACCEPTED SUPERFAMILY 9893:58M nidx=null]
 + Homolodromioidea Alcock, 1900 [ACCEPTED SUPERFAMILY 9902:B8WMW nidx=null]
Hooveria purpurea var. reducta
 - Hooveria purpurea var. reducta (Hoover) D.W.Taylor & D.J.Keil [ACCEPTED VARIETY 9893:8XDY8 nidx=null]
 + Hooveria purpurea var. reducta (Hoover) D.W.Taylor & D.J.Keil [ACCEPTED VARIETY 9902:BBL47 nidx=null]
Hordeum murinum subsp. leporinum
 - Hordeum murinum subsp. leporinum (Link) Arcang. [ACCEPTED SUBSPECIES 9893:5HZ7C nidx=null]
 + Hordeum murinum subsp. leporinum (Link) Arcang. [ACCEPTED SUBSPECIES 9902:BBHH7 nidx=null]
Hordeum vulgare subsp. distichon
 - Hordeum vulgare subsp. distichon (L.) Brand [SYNONYM SUBSPECIES 9893:9KSS5 nidx=null parent=3MNWP]
 - Hordeum vulgare subsp. distichon Thell. [SYNONYM SUBSPECIES 9893:9KSS6 nidx=null parent=3MNWP]
 + Hordeum vulgare subsp. distichon Thell. [SYNONYM SUBSPECIES 9902:BBHH8 nidx=null parent=3MNWP]
 + Hordeum vulgare subsp. distichon (L.) Brand [SYNONYM SUBSPECIES 9902:BBHH9 nidx=null parent=3MNWP]
Hordeum vulgare var. trifurcatum
 - Hordeum vulgare var. trifurcatum (Schltdl.) Alef. [SYNONYM VARIETY 9893:5PDY6 nidx=null parent=6MDHG]
 + Hordeum vulgare var. trifurcatum (Schltdl.) Alef. [SYNONYM VARIETY 9902:BBL48 nidx=null parent=6MDHG]
Hybomitra zaballosi
 - Hybomitra zaballosi Portillo, 1991 [ACCEPTED SPECIES 9893:3MYGJ nidx=null]
 + Hybomitra zaballosi Portillo, 1988 [ACCEPTED SPECIES 9902:B9S4R nidx=null]
Hydrogamasellus
 - Hydrogamasellus [ACCEPTED GENUS 9893:4ZSJ nidx=null]
 + Hydrogamasellus Hirschmann, 1966 [ACCEPTED GENUS 9902:B8Y67 nidx=null]
 + Hydrogamasellus Hirschmann, 1966 [SYNONYM SUBGENUS 9902:B8Y68 nidx=null parent=B8Y67]
Hydrogamasus
 - Hydrogamasus [ACCEPTED GENUS 9893:4ZSK nidx=null]
 + Hydrogamasus Berlese, 1892 [ACCEPTED GENUS 9902:B8Y69 nidx=null]
 + Hydrogamasus Berlese, 1892 [SYNONYM SUBGENUS 9902:B8Y6B nidx=null parent=B8Y69]
Hydrophorus ampullaceus
 - Hydrophorus ampullaceus Van Duzee, 1925 [ACCEPTED SPECIES 9893:6MK4G nidx=null]
 + Hydrophorus ampullaceus Van Duzee, 1924 [ACCEPTED SPECIES 9902:B9S5R nidx=null]
Hydrophorus claripennis
 - Hydrophorus claripennis Van Duzee, 1925 [ACCEPTED SPECIES 9893:6MJSC nidx=null]
 + Hydrophorus claripennis Van Duzee, 1924 [ACCEPTED SPECIES 9902:B9S5S nidx=null]
Hydrophorus myllomerus
 - Hydrophorus myllomerus Hurley, 1985 [ACCEPTED SPECIES 9893:3N8HW nidx=null]
 + Hydrophorus myllomerus Hurley, 1965 [ACCEPTED SPECIES 9902:B9S5T nidx=null]
Hydrophorus rhionopous
 - Hydrophorus rhionopous Hurley, 1985 [ACCEPTED SPECIES 9893:3N8K4 nidx=null]
 + Hydrophorus rhionopous Hurley, 1965 [ACCEPTED SPECIES 9902:B9S5V nidx=null]
Hydrozoa
 - Hydrozoa [ACCEPTED CLASS 9893:6224W nidx=null]
 + Hydrozoa Owen, 1843 [ACCEPTED CLASS 9902:B8V3W nidx=null]
Hygrophorus agathosmoides f. albus
 - Hygrophorus agathosmoides f. albus E. Larss. & Lebeuf [SYNONYM FORM 9893:9ZL49 nidx=null parent=9Z95J]
 + Hygrophorus agathosmoides f. albus E. Larss. & Lebeuf [SYNONYM FORM 9902:BBLK4 nidx=null parent=9Z95J]
Hygrophorus agathosmoides f. trabzonensis
 - Hygrophorus agathosmoides f. trabzonensis Sesli [SYNONYM FORM 9893:9ZL4B nidx=null parent=9Z95J]
 + Hygrophorus agathosmoides f. trabzonensis Sesli [SYNONYM FORM 9902:BBLK5 nidx=null parent=9Z95J]
Hymenosomatoidea
 - Hymenosomatoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9893:7NFPB nidx=null]
 + Hymenosomatoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9902:B8VFF nidx=null]
Hypenidium roborowskii
 - Hypenidium roborowskii (Becker, 1908) [ACCEPTED SPECIES 9893:3NND8 nidx=null]
 + Hypenidium roborowskii (Becker, 1907) [ACCEPTED SPECIES 9902:B9S5Z nidx=null]
Hypogymnia lugubris var. compactior
 - Hypogymnia lugubris var. compactior (Zahlbr.) Elix [SYNONYM VARIETY 9893:B25XC nidx=null parent=9XXCW]
 + Hypogymnia lugubris var. compactior (Zahlbr.) Elix [SYNONYM VARIETY 9902:BBL4S nidx=null parent=9XXCW]
Ichnanthus pallens var. major
 - Ichnanthus pallens var. major (Nees) Stieber [ACCEPTED VARIETY 9893:5PG79 nidx=null]
 + Ichnanthus pallens var. major (Nees) Stieber [ACCEPTED VARIETY 9902:BBL4W nidx=null]
Ichneumenoptera auripes
 - Ichneumenoptera auripes Hampson, 1892 [SYNONYM SPECIES 9893:3P8YV nidx=null parent=93Q69]
 + Ichneumenoptera auripes Hampson, [1893] [ACCEPTED SPECIES 9902:BBNB7 nidx=null]
Ichneumenoptera flavicincta
 - Ichneumenoptera flavicincta Hampson, 1892 [SYNONYM SPECIES 9893:3P8Z2 nidx=null parent=98GM7]
 + Ichneumenoptera flavicincta Hampson, [1893] [SYNONYM SPECIES 9902:BBNB8 nidx=null parent=BDCZD]
Ichneumenoptera ignifera
 - Ichneumenoptera ignifera Hampson, 1892 [SYNONYM SPECIES 9893:3P8Z6 nidx=null parent=98GMF]
 + Ichneumenoptera ignifera Hampson, [1893] [SYNONYM SPECIES 9902:BBNBB nidx=null parent=BDCZG]
Ichneumenoptera xanthosoma
 - Ichneumenoptera xanthosoma Hampson, 1892 [SYNONYM SPECIES 9893:3P8Z7 nidx=null parent=98GNJ]
 + Ichneumenoptera xanthosoma Hampson, [1893] [SYNONYM SPECIES 9902:BBNBC nidx=null parent=BDCZQ]
Imperata cylindrica var. major
 - Imperata cylindrica var. major (Nees) C.E.Hubb. [SYNONYM VARIETY 9893:5PGMH nidx=null parent=9KCTL]
 + Imperata cylindrica var. major (Nees) C.E.Hubb. [SYNONYM VARIETY 9902:BBL56 nidx=null parent=9KCTL]
Imshaugia aleurites f. vulnerata
 - Imshaugia aleurites f. vulnerata (Hillmann) S.Y. Kondr. [SYNONYM FORM 9893:5SM4X nidx=null parent=6N7TF]
 + Imshaugia aleurites f. vulnerata (Hillmann) S.Y. Kondr. [SYNONYM FORM 9902:BBLK6 nidx=null parent=6N7TF]
Interrhodeus
 - Interrhodeus [ACCEPTED GENUS 9893:54MG nidx=null]
 + Interrhodeus Karg, 2000 [ACCEPTED GENUS 9902:B8Z26 nidx=null]
Ipsa childreni childreni
 - Ipsa childreni childreni (Gray, 1825) [ACCEPTED SUBSPECIES 9893:8SY6H nidx=null]
 + Ipsa childreni childreni (J. E. Gray, 1825) [SYNONYM SUBSPECIES 9902:5J4YP nidx=null parent=3PXMT]
Isarachnanthus
 - Isarachnanthus Carlgren, 1924 [ACCEPTED GENUS 9893:7PLQC nidx=null]
 + Isarachnanthus Carlgren, 1922 [ACCEPTED GENUS 9902:B8VK2 nidx=null]
Isarachnanthus bandanensis
 - Isarachnanthus bandanensis Carlgren, 1924 [ACCEPTED SPECIES 9893:3Q37W nidx=null]
 + Isarachnanthus bandanensis Carlgren, 1922 [ACCEPTED SPECIES 9902:B8XGX nidx=null]
Isarachnanthus panamensis
 - Isarachnanthus panamensis Carlgren, 1924 [ACCEPTED SPECIES 9893:3Q382 nidx=null]
 + Isarachnanthus panamensis Carlgren, 1922 [ACCEPTED SPECIES 9902:BBNCP nidx=null]
Ischaemum aristatum subsp. glaucum
 - Ischaemum aristatum subsp. glaucum (Honda) T.Koyama [SYNONYM SUBSPECIES 9893:5J57M nidx=null parent=3Q3LH]
 + Ischaemum aristatum subsp. glaucum (Honda) T.Koyama [SYNONYM SUBSPECIES 9902:BBHJ6 nidx=null parent=3Q3LH]
Isocirrus watsoni
 - Isocirrus watsoni (Gravier, 1906) [ACCEPTED SPECIES 9893:9X8VM nidx=null]
 + Isocirrus watsoni (Gravier, 1905) [ACCEPTED SPECIES 9902:BBNLC nidx=null]
Isopoda
 - Isopoda [ACCEPTED ORDER 9893:S2 nidx=null]
 + Isopoda Latreille, 1816 [ACCEPTED ORDER 9902:B8TXF nidx=null]
Itocyclops yezoensis
 - Itocyclops yezoensis (Ito Tak, 1953) [ACCEPTED SPECIES 9893:6NB6Q nidx=null]
 + Itocyclops yezoensis (Ito, 1953) [ACCEPTED SPECIES 9902:BBNL4 nidx=null]
Jassa falcata
 - Jassa falcata Chevreux & Fage, 1925 [AMBIGUOUS_SYNONYM SPECIES 9893:6NF72 nidx=null parent=3QMZQ]
 + Jassa falcata (Montagu, 1808) [AMBIGUOUS_SYNONYM SPECIES 9902:B9QQT nidx=null parent=3QMZQ]
Kaliella barrakporensis
 - Kaliella barrakporensis (L. Pfeiffer, 1853) [ACCEPTED SPECIES 9893:6NK2L nidx=null]
 + Kaliella barrakporensis (Reeve, 1852) [ACCEPTED SPECIES 9902:B9QS5 nidx=null]
Kinorhyncha
 - Kinorhyncha [ACCEPTED PHYLUM 9893:DD nidx=null]
 + Kinorhyncha Reinhard, 1885 [ACCEPTED PHYLUM 9902:B8VDN nidx=null]
Lactarius blennius f. albidopallens
 - Lactarius blennius f. albidopallens J.E. Lange [AMBIGUOUS_SYNONYM FORM 9893:5SMYT nidx=null parent=3RRNJ]
 + Lactarius blennius f. albidopallens J.E. Lange [AMBIGUOUS_SYNONYM FORM 9902:BBLK7 nidx=null parent=3RRNJ]
Lactarius lignyotus var. marginatus
 - Lactarius lignyotus var. marginatus (A.H. Sm. & Hesler) Hesler & A.H. Sm. [SYNONYM VARIETY 9893:5PMJN nidx=null parent=3RS2M]
 + Lactarius lignyotus var. marginatus (A.H. Sm. & Hesler) Hesler & A.H. Sm. [SYNONYM VARIETY 9902:BBL6D nidx=null parent=3RS2M]
Lactarius pubescens var. betularum
 - Lactarius pubescens var. betularum (Bon) Bon [SYNONYM VARIETY 9893:7LWCL nidx=null parent=6NSPQ]
 + Lactarius pubescens var. betularum (Bon) Bon [SYNONYM VARIETY 9902:BBL6F nidx=null parent=6NSPQ]
Laelaptiella
 - Laelaptiella [ACCEPTED GENUS 9893:59Z6 nidx=null]
 + Laelaptiella Womersley, 1956 [ACCEPTED GENUS 9902:B8V8L nidx=null]
 + Laelaptiella Womersley, 1956 [SYNONYM SUBGENUS 9902:B8V8M nidx=null parent=B8V8L]
Lagochilus (Lagochilus) turbinatum
 - Lagochilus (Lagochilus) turbinatum (L. Pfeiffer, 1852) [SYNONYM SPECIES 9893:7RSXS nidx=null parent=7RSTG]
 + Lagochilus (Lagochilus) turbinatum (L. Pfeiffer, 1846) [SYNONYM SPECIES 9902:BBPFV nidx=null parent=BDHXX]
Lagochilus turbinatum
 - Lagochilus turbinatum (L. Pfeiffer, 1852) [SYNONYM SPECIES 9893:7RT2J nidx=null parent=7RSTG]
 + Lagochilus turbinatum (L. Pfeiffer, 1846) [SYNONYM SPECIES 9902:BBPFT nidx=null parent=BDHXX]
Lagurus ovatus subsp. nanus
 - Lagurus ovatus subsp. nanus (Guss.) Messeri [SYNONYM SUBSPECIES 9893:8YDQT nidx=null parent=3RXZ3]
 + Lagurus ovatus subsp. nanus (Guss.) Messeri [SYNONYM SUBSPECIES 9902:BBHJZ nidx=null parent=3RXZ3]
Lamellodiscus indicus
 - Lamellodiscus indicus Tripathi, 1959 [ACCEPTED SPECIES 9893:3RZ83 nidx=null]
 + Lamellodiscus indicus Tripathi, 1957 [ACCEPTED SPECIES 9902:BBPG9 nidx=null]
Lasallia papulosa var. laceratula
 - Lasallia papulosa var. laceratula (Vain.) Llano [SYNONYM VARIETY 9893:B2LXM nidx=null parent=B3C7S]
 + Lasallia papulosa var. laceratula (Vain.) Llano [SYNONYM VARIETY 9902:BBL6G nidx=null parent=B3C7S]
Lecanora gibbosa var. vulgaris
 - Lecanora gibbosa var. vulgaris Th. Fr. [SYNONYM VARIETY 9893:B25YN nidx=null parent=VFWQ]
 + Lecanora gibbosa var. vulgaris Th. Fr. [SYNONYM VARIETY 9902:BDGN7 nidx=null parent=VFWQ]
Lecanora glaucoma var. corallina
 - Lecanora glaucoma var. corallina (L.) Grognot [SYNONYM VARIETY 9893:B2PC3 nidx=null parent=3TGBV]
 + Lecanora glaucoma var. corallina (L.) Grognot [SYNONYM VARIETY 9902:BDGN8 nidx=null parent=3TGBV]
Lecanora murorum f. arnoldii
 - Lecanora murorum f. arnoldii (Wedd.) Cromb. [SYNONYM FORM 9893:B2P6L nidx=null parent=68VGD]
 + Lecanora murorum f. arnoldii (Wedd.) Cromb. [SYNONYM FORM 9902:BDGR8 nidx=null parent=68VGD]
Lecanora polytropa f. efflorescens
 - Lecanora polytropa f. efflorescens Cromb. [SYNONYM FORM 9893:5SNDN nidx=null parent=6P5Q4]
 + Lecanora polytropa f. efflorescens Cromb. [SYNONYM FORM 9902:BBLK8 nidx=null parent=6P5Q4]
Lecanora polytropa var. alpigena
 - Lecanora polytropa var. alpigena (Ach.) Rabenh. [SYNONYM VARIETY 9893:7M84M nidx=null parent=6P5Q4]
 + Lecanora polytropa var. alpigena (Ach.) Rabenh. [SYNONYM VARIETY 9902:BBL6H nidx=null parent=6P5Q4]
Lecanora pyracea f. borealis
 - Lecanora pyracea f. borealis Vain. [SYNONYM FORM 9893:9ZL4F nidx=null parent=B2S3B]
 + Lecanora pyracea f. borealis Vain. [SYNONYM FORM 9902:BDH3N nidx=null parent=B2S3B]
Lecidea assimilata var. irrubata
 - Lecidea assimilata var. irrubata Th. Fr. [SYNONYM VARIETY 9893:B25ZQ nidx=null parent=42LPG]
 + Lecidea assimilata var. irrubata Th. Fr. [SYNONYM VARIETY 9902:BDGN9 nidx=null parent=42LPG]
Lecidea atrobrunnea subsp. planaica
 - Lecidea atrobrunnea subsp. planaica Hertel & Leuckert [SYNONYM SUBSPECIES 9893:7JWYW nidx=null parent=3STV7]
 + Lecidea atrobrunnea subsp. planaica Hertel & Leuckert [SYNONYM SUBSPECIES 9902:BBHK2 nidx=null parent=3STV7]
Lecidea aurantiaca var. holocarpa
 - Lecidea aurantiaca var. holocarpa (Hoffm.) Hepp [SYNONYM VARIETY 9893:B25ZT nidx=null parent=J9LW]
 + Lecidea aurantiaca var. holocarpa (Hoffm.) Hepp [SYNONYM VARIETY 9902:BDGNB nidx=null parent=J9LW]
Lecidella asema var. elaeochromoides
 - Lecidella asema var. elaeochromoides (Nyl.) Nimis & Tretiach [SYNONYM VARIETY 9893:5PQ48 nidx=null parent=3SV78]
 + Lecidella asema var. elaeochromoides (Nyl.) Nimis & Tretiach [SYNONYM VARIETY 9902:BBL6J nidx=null parent=3SV78]
Lentsujo
 - Lentsujo Mello-Leitão, 1943 [SYNONYM GENUS 9893:9WZ9P nidx=null parent=7NMF4]
 + Lentsujo Mello-Leitão, 1944 [SYNONYM GENUS 9902:BC2QG nidx=null parent=7NMF4]
Lepetopsis shuangjingziensis
 - Lepetopsis shuangjingziensis Z. F. Liang, 1980 [ACCEPTED SPECIES 9893:9HM2J nidx=null]
 + Lepetopsis shuangjingziensis S.-F. Liang, 1980 [ACCEPTED SPECIES 9902:BBX7G nidx=null]
Lepetopsis taxiensis
 - Lepetopsis taxiensis Z. F. Liang, 1980 [ACCEPTED SPECIES 9893:9HM2K nidx=null]
 + Lepetopsis taxiensis S.-F. Liang, 1980 [ACCEPTED SPECIES 9902:BBX7H nidx=null]
Lepidopoda lutescens
 - Lepidopoda lutescens Diakonoff, 1967 [ACCEPTED SPECIES 9893:3TCQW nidx=null]
 + Lepidopoda lutescens Diakonoff, [1968] [ACCEPTED SPECIES 9902:BBQWL nidx=null]
Lepiota eriophora var. asperula
 - Lepiota eriophora var. asperula Malençon & Bertault [SYNONYM VARIETY 9893:9ZM3M nidx=null parent=38HQ7]
 + Lepiota eriophora var. asperula Malençon & Bertault [SYNONYM VARIETY 9902:BDGNC nidx=null parent=38HQ7]
Leptaegeria axiomnemoneuta
 - Leptaegeria axiomnemoneuta Zukowsky, 1937 [ACCEPTED SPECIES 9893:3THF3 nidx=null]
 + Leptaegeria axiomnemoneuta Zukowsky, 1936 [ACCEPTED SPECIES 9902:BBQYH nidx=null]
Leptaegeria cillutincariensis
 - Leptaegeria cillutincariensis Zukowsky, 1937 [ACCEPTED SPECIES 9893:3THF4 nidx=null]
 + Leptaegeria cillutincariensis Zukowsky, 1936 [ACCEPTED SPECIES 9902:BBQYJ nidx=null]
Leptaegeria schreiteri
 - Leptaegeria schreiteri Köhler, 1972 [SYNONYM SPECIES 9893:97CVM nidx=null parent=TKZ9]
 + Leptaegeria schreiteri Köhler, 1941 [ACCEPTED SPECIES 9902:BD8DB nidx=null]
Leptogium atrocaeruleum var. pulvinatum
 - Leptogium atrocaeruleum var. pulvinatum (Hoffm.) Beltr. [SYNONYM VARIETY 9893:B2PSJ nidx=null parent=4W6J4]
 + Leptogium atrocaeruleum var. pulvinatum (Hoffm.) Beltr. [SYNONYM VARIETY 9902:BDGND nidx=null parent=4W6J4]
Leptoloma pubiflorum var. syrticola
 - Leptoloma pubiflorum var. syrticola (Wipff & Shaw) Allred [SYNONYM VARIETY 9893:8YGXB nidx=null parent=363QT]
 + Leptoloma pubiflorum var. syrticola (Wipff & Shaw) Allred [SYNONYM VARIETY 9902:BBL6K nidx=null parent=363QT]
Leptonia cyanea var. occidentalis
 - Leptonia cyanea var. occidentalis Largent [SYNONYM VARIETY 9893:B2SDN nidx=null parent=6FD7M]
 + Leptonia cyanea var. occidentalis Largent [SYNONYM VARIETY 9902:BBL6L nidx=null parent=6FD7M]
Leptostraca
 - Leptostraca [ACCEPTED ORDER 9893:3FW nidx=null]
 + Leptostraca Claus, 1880 [ACCEPTED ORDER 9902:B8VF3 nidx=null]
Leptothyrella incerta
 - Leptothyrella incerta (Davidson, 1878) [ACCEPTED SPECIES 9893:3TYBV nidx=null]
 + Leptothyrella incerta (Davidson, 1880) [ACCEPTED SPECIES 9902:B8VQ3 nidx=null]
Leucangium carthusianum var. purpureum
 - Leucangium carthusianum var. purpureum L. Fan & M. Chen [SYNONYM VARIETY 9893:9ZKCN nidx=null parent=7244Q]
 + Leucangium carthusianum var. purpureum L. Fan & M. Chen [SYNONYM VARIETY 9902:BDH37 nidx=null parent=7244Q]
Leucauge fastigata korinchica
 - Leucauge fastigata korinchica (Hogg, 1919) [ACCEPTED SUBSPECIES 9893:99CHV nidx=null]
 + Leucauge fastigata korinchica (Hogg, 1919) [ACCEPTED SUBSPECIES 9902:BBHK5 nidx=null]
Leucophora unistriata
 - Leucophora unistriata (Zetterstedt, 1837) [ACCEPTED SPECIES 9893:6Q6KC nidx=null]
 + Leucophora unistriata (Zetterstedt, 1838) [ACCEPTED SPECIES 9902:B9RZT nidx=null]
Leucosioidea
 - Leucosioidea Samouelle, 1819 [ACCEPTED SUPERFAMILY 9893:7NFPM nidx=null]
 + Leucosioidea Samouelle, 1819 [ACCEPTED SUPERFAMILY 9902:B8VFG nidx=null]
Levicepolis phaedra
 - Levicepolis phaedra (L. Pfeiffer, 1854) [ACCEPTED SPECIES 9893:7RWD4 nidx=null]
 + Levicepolis phaedra (Reeve, 1852) [ACCEPTED SPECIES 9902:BBRM9 nidx=null]
Liberonautinae
 - Liberonautinae Cumberlidge & Daniels, 2022 [ACCEPTED SUBFAMILY 9893:9FSZJ nidx=null]
 + Liberonautinae Cumberlidge & Daniels, 2022 [ACCEPTED SUBFAMILY 9902:B8X58 nidx=null]
Libnotes (Metalibnotes)
 - Libnotes (Metalibnotes) Alexander, 1972 [ACCEPTED SUBGENUS 9893:8GZ79 nidx=null]
 + Libnotes (Metalibnotes) Alexander, 1972 [ACCEPTED SUBGENUS 9902:B8ZPW nidx=null]
Lichniini
 - Lichniini Burmeister, 1844 [ACCEPTED TRIBE 9893:84L2G nidx=null]
 + Lichniini Burmeister, 1844 [SYNONYM GENUS 9902:B8X4V nidx=null parent=BDJKQ]
Lilium callosum var. flaviflorum
 - Lilium callosum var. flaviflorum Makino [ACCEPTED VARIETY 9893:5PSRS nidx=null]
 + Lilium callosum var. flaviflorum Makino [ACCEPTED VARIETY 9902:BBL6M nidx=null]
Lilium concolor var. megalanthum
 - Lilium concolor var. megalanthum F.T.Wang & Tang [ACCEPTED VARIETY 9893:5PST6 nidx=null]
 + Lilium concolor var. megalanthum F.T.Wang & Tang [ACCEPTED VARIETY 9902:BBL6N nidx=null]
Lilium concolor var. partheneion
 - Lilium concolor var. partheneion (Siebold & de Vriese) Baker [ACCEPTED VARIETY 9893:5PST8 nidx=null]
 + Lilium concolor var. partheneion (Siebold & de Vriese) Baker [ACCEPTED VARIETY 9902:BBL6P nidx=null]
Lilium japonicum var. angustifolium
 - Lilium japonicum var. angustifolium (Makino) Makino [ACCEPTED VARIETY 9893:7LVLJ nidx=null]
 + Lilium japonicum var. angustifolium (Makino) Makino [ACCEPTED VARIETY 9902:BBL6Q nidx=null]
Lilium longiflorum var. scabrum
 - Lilium longiflorum var. scabrum Masam. [ACCEPTED VARIETY 9893:5PSVL nidx=null]
 + Lilium longiflorum var. scabrum Masam. [ACCEPTED VARIETY 9902:BBL6R nidx=null]
Lilium speciosum var. gloriosoides
 - Lilium speciosum var. gloriosoides Baker [ACCEPTED VARIETY 9893:5PSYF nidx=null]
 + Lilium speciosum var. gloriosoides Baker [ACCEPTED VARIETY 9902:BBL6S nidx=null]
Limnophora nigriscrupulosa
 - Limnophora nigriscrupulosa Zhang & Xue, 1998 [ACCEPTED SPECIES 9893:8CKSN nidx=null]
 + Limnophora nigriscrupulosa Zhang & Xue, 1996 [SYNONYM SPECIES 9902:B9SPN nidx=null parent=9HBBQ]
Liriomyza virgo
 - Liriomyza virgo (Zetterstedt, 1838) [ACCEPTED SPECIES 9893:3VCWN nidx=null]
 + Liriomyza virgo Zetterstedt, 1837 [ACCEPTED SPECIES 9902:B9SWJ nidx=null]
Lironoba australis
 - Lironoba australis (Tenison Woods, 1877) [ACCEPTED SPECIES 9893:3VDJG nidx=null]
 + Lironoba australis (Tenison Woods, 1876) [ACCEPTED SPECIES 9902:B9SHX nidx=null]
Litogamasus
 - Litogamasus [ACCEPTED GENUS 9893:5FR4 nidx=null]
 + Litogamasus Lee, 1970 [ACCEPTED GENUS 9902:B8YDZ nidx=null]
Loculla rauca minor
 - Loculla rauca minor Simon, 1909 [ACCEPTED SUBSPECIES 9893:93Y4B nidx=null]
 + Loculla rauca minor Simon, 1909 [ACCEPTED SUBSPECIES 9902:BBHKM nidx=null]
Lonchaea inquilina
 - Lonchaea inquilina Seitner, 1929 [SYNONYM SPECIES 9893:8CN5J nidx=null parent=38BSC]
 + Lonchaea inquilina Hendel, 1929 [SYNONYM SPECIES 9902:B9SXM nidx=null parent=B9PZQ]
Lonchaea vikhrevi
 - Lonchaea vikhrevi MacGowan, 2010 [ACCEPTED SPECIES 9893:9HBD3 nidx=null]
 + Lonchaea vikhrevi MacGowan, 2011 [ACCEPTED SPECIES 9902:8CN6L nidx=null]
Longiunguis saccharii
 - Longiunguis saccharii (Zehntner, 1897) [AMBIGUOUS_SYNONYM SPECIES 9893:8PD4X nidx=null parent=8PLQ6]
 + Longiunguis saccharii (Zehntner, 1897) [AMBIGUOUS_SYNONYM SPECIES 9902:BBSZY nidx=null parent=8PLQ6]
Longpotamon depressum depressum
 - Longpotamon depressum depressum (Dai & Fan in Dai, Chen, Song, Fan, Lin & Zeng, 1979) [ACCEPTED SUBSPECIES 9893:7HBYR nidx=null]
 + Longpotamon depressum depressum (Dai & Fan in Dai, Chen, Song, Fan, Lin & Zeng, 1979) [ACCEPTED SUBSPECIES 9902:BBHKQ nidx=null]
Longpotamon depressum tongshanense
 - Longpotamon depressum tongshanense (Dai, 1999) [ACCEPTED SUBSPECIES 9893:B45NM nidx=null]
 + Longpotamon depressum tongshanense (Dai, 1999) [ACCEPTED SUBSPECIES 9902:BBHKR nidx=null]
Longpotamon yangtsekiense tongbaiense
 - Longpotamon yangtsekiense tongbaiense (Dai & Chen, 1981) [ACCEPTED SUBSPECIES 9893:B45NN nidx=null]
 + Longpotamon yangtsekiense tongbaiense (Dai & Chen, 1981) [ACCEPTED SUBSPECIES 9902:BBHKS nidx=null]
Longpotamon yangtsekiense yangtsekiense
 - Longpotamon yangtsekiense yangtsekiense (Bott, 1967) [ACCEPTED SUBSPECIES 9893:B45NP nidx=null]
 + Longpotamon yangtsekiense yangtsekiense (Bott, 1967) [ACCEPTED SUBSPECIES 9902:BBHKT nidx=null]
Lophoderus subfascianus
 - Lophoderus subfascianus Stephens, 1834 [SYNONYM SPECIES 9893:936GD nidx=null parent=93352]
 + Lophoderus subfascianus Stephens, 1829 [SYNONYM SPECIES 9902:BBSY2 nidx=null parent=93352]
Lophogorgia aurantiaca
 - Lophogorgia aurantiaca Horn, 1861 [SYNONYM SPECIES 9893:85TSL nidx=null parent=3C8CQ]
 + Lophogorgia aurantiaca Horn, 1860 [SYNONYM SPECIES 9902:BBT32 nidx=null parent=B9LPT]
Loricifera
 - Loricifera [ACCEPTED PHYLUM 9893:DX nidx=null]
 + Loricifera Kristensen, 1983 [ACCEPTED PHYLUM 9902:B8VDP nidx=null]
Lotophila bicolor
 - Lotophila bicolor Norrbom & Marshall, 1988 [ACCEPTED SPECIES 9893:72NYK nidx=null]
 + Lotophila bicolor Norrbom & Marshall, 1989 [ACCEPTED SPECIES 9902:B9SXZ nidx=null]
Lucanthonisia eotvoesi
 - Lucanthonisia eotvoesi (Müller, 1976) [ACCEPTED SPECIES 9893:9ZP3W nidx=null]
 + Lucanthonisia eotvoesi (Müller, 1975) [ACCEPTED SPECIES 9902:BBXB8 nidx=null]
Lycoperdon perlatum var. bonordenii
 - Lycoperdon perlatum var. bonordenii (Massee) Perdeck [SYNONYM VARIETY 9893:5PWWB nidx=null parent=3WLKC]
 + Lycoperdon perlatum var. bonordenii (Massee) Perdeck [SYNONYM VARIETY 9902:BBL7D nidx=null parent=3WLKC]
Machimus (Machimus) monticola
 - Machimus (Machimus) monticola Frey, 1940 [ACCEPTED SPECIES 9893:8CPDG nidx=null]
 + Machimus (Machimus) monticola Frey, 1939 [ACCEPTED SPECIES 9902:B9T2B nidx=null]
Machimus monticola
 - Machimus monticola Frey, 1940 [SYNONYM SPECIES 9893:899S7 nidx=null parent=8CPDG]
 + Machimus monticola Frey, 1939 [SYNONYM SPECIES 9902:B9T29 nidx=null parent=B9T2B]
Macroceramus microdon
 - Macroceramus microdon (L. Pfeiffer, 1851) [ACCEPTED SPECIES 9893:86B9B nidx=null]
 + Macroceramus microdon (L. Pfeiffer, 1853) [ACCEPTED SPECIES 9902:B9STQ nidx=null]
Macrochlamys malaccana
 - Macrochlamys malaccana (L. Pfeiffer, 1854) [ACCEPTED SPECIES 9893:7RZQJ nidx=null]
 + Macrochlamys malaccana (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9902:B9STR nidx=null]
Macrochlamys nuda
 - Macrochlamys nuda (L. Pfeiffer, 1852) [ACCEPTED SPECIES 9893:7RZR7 nidx=null]
 + Macrochlamys nuda (Reeve, 1852) [ACCEPTED SPECIES 9902:BBVZX nidx=null]
Macrochlamys woodiana
 - Macrochlamys woodiana (L. Pfeiffer, 1853) [ACCEPTED SPECIES 9893:3X44C nidx=null]
 + Macrochlamys woodiana (Reeve, 1852) [ACCEPTED SPECIES 9902:BBW25 nidx=null]
Macrocyclis euspira
 - Macrocyclis euspira (L. Pfeiffer, 1855) [SYNONYM SPECIES 9893:8KRXQ nidx=null parent=7RHBM]
 + Macrocyclis euspira (Reeve, 1854) [SYNONYM SPECIES 9902:BBW2C nidx=null parent=BBJDH]
Macronychia striginervis
 - Macronychia striginervis (Zetterstedt, 1844) [ACCEPTED SPECIES 9893:3X79W nidx=null]
 + Macronychia striginervis (Zetterstedt, 1837) [ACCEPTED SPECIES 9902:B9SV2 nidx=null]
Macropereiopus mirus
 - Macropereiopus mirus Bazikalova, 1945 [ACCEPTED SPECIES 9893:3X7F2 nidx=null]
 + Macropereiopus mirus Bazikalova, 1975 [ACCEPTED SPECIES 9902:BBW3F nidx=null]
Macrophthalmus (Paramareotis)
 - Macrophthalmus (Paramareotis) Komai, Goshima & Murai, 1995 [ACCEPTED SUBGENUS 9893:849FQ nidx=null]
 + Macrophthalmus (Paramareotis) Komai, Goshima & Murai, 1995 [ACCEPTED SUBGENUS 9902:B8ZQ7 nidx=null]
Macrosiphoniella (Macrosiphoniella) kikungshana
 - Macrosiphoniella (Macrosiphoniella) kikungshana [ACCEPTED SPECIES 9893:3X9Q4 nidx=null]
 + Macrosiphoniella (Macrosiphoniella) kikungshana [ACCEPTED SPECIES 9902:BBW4G nidx=null]
Macrosiphoniella (Macrosiphoniella) maculata
 - Macrosiphoniella (Macrosiphoniella) maculata [ACCEPTED SPECIES 9893:B79VQ nidx=null]
 + Macrosiphoniella (Macrosiphoniella) maculata [ACCEPTED SPECIES 9902:BBW4L nidx=null]
Macrosiphum (Macrosiphum) doronicicola
 - Macrosiphum (Macrosiphum) doronicicola [ACCEPTED SPECIES 9893:B8CP9 nidx=null]
 + Macrosiphum (Macrosiphum) doronicicola [ACCEPTED SPECIES 9902:BBW4Y nidx=null]
Macrosiphum (Macrosiphum) hellebori
 - Macrosiphum (Macrosiphum) hellebori [ACCEPTED SPECIES 9893:3X9ZS nidx=null]
 + Macrosiphum (Macrosiphum) hellebori [ACCEPTED SPECIES 9902:B9SWR nidx=null]
Macrosiphum (Passerinia)
 - Macrosiphum (Passerinia) [SYNONYM SUBGENUS 9893:8QT3K nidx=null parent=8Q6JT]
 + Macrosiphum (Passerinia) [SYNONYM SUBGENUS 9902:B9259 nidx=null parent=8Q6JT]
Maera inaequipes
 - Maera inaequipes (A. Costa, 1857) [SYNONYM SPECIES 9893:3XFQ9 nidx=null parent=4QZBD]
 + Maera inaequipes (A. Costa in Hope, 1851) [SYNONYM SPECIES 9902:BBW99 nidx=null parent=4QZBD]
Maja (Chorinus)
 - Maja (Chorinus) [ACCEPTED SUBGENUS 9893:849FR nidx=null]
 + Maja (Chorinus) Latreille, 1825 [SYNONYM SUBGENUS 9902:B8XKZ nidx=null parent=7NSSB]
Majoidea
 - Majoidea Samouelle, 1819 [ACCEPTED SUPERFAMILY 9893:5BY nidx=null]
 + Majoidea Samouelle, 1819 [ACCEPTED SUPERFAMILY 9902:B8VFM nidx=null]
Mancasellus tenax
 - Mancasellus tenax (Smith, 1879) [SYNONYM SPECIES 9893:3XSYN nidx=null parent=72K5D]
 + Mancasellus tenax (Smith in Smith & Verrill, 1871) [SYNONYM SPECIES 9902:BBWDQ nidx=null parent=72K5D]
Mastigona bosniense
 - Mastigona bosniense (Verhoeff, 1897) [SYNONYM SPECIES 9893:7X6KP nidx=null parent=3YCY9]
 + Mastigona bosniense (Verhoeff, 1897) [SYNONYM SPECIES 9902:B8WPV nidx=null parent=3YCY9]
Maxacteon fabreanus
 - Maxacteon fabreanus (Crosse, 1874) [SYNONYM SPECIES 9893:6R6TF nidx=null parent=4QHMQ]
 + Maxacteon fabreanus (Crosse, 1873) [SYNONYM SPECIES 9902:BBWV4 nidx=null parent=BC843]
Medetera media
 - Medetera media Parent, 1926 [ACCEPTED SPECIES 9893:3YN6V nidx=null]
 + Medetera media Parent, 1925 [ACCEPTED SPECIES 9902:B9T5Z nidx=null]
Mediorhodacarus
 - Mediorhodacarus [ACCEPTED GENUS 9893:5MHR nidx=null]
 + Mediorhodacarus Shcherbak, 1976 [ACCEPTED GENUS 9902:B8ZLY nidx=null]
Megaesthesiinae
 - Megaesthesiinae Števčić, 2005 [ACCEPTED SUBFAMILY 9893:847GM nidx=null]
 + Megaesthesiinae Števčić, 2005 [ACCEPTED SUBFAMILY 9902:B8V44 nidx=null]
Megagrapha europaea
 - Megagrapha europaea Papp & Földvári, 2001 [ACCEPTED SPECIES 9893:3YTP4 nidx=null]
 + Megagrapha europaea Papp & Földvári, 2002 [ACCEPTED SPECIES 9902:B9T65 nidx=null]
Megametope
 - Megametope Filhol, 1886 [ACCEPTED GENUS 9893:7PNNW nidx=null]
 + Megametope Filhol, 1885 [ACCEPTED GENUS 9902:B8YJ4 nidx=null]
Megaphthalmoides japonicus
 - Megaphthalmoides japonicus Ozerov, 2008 [ACCEPTED SPECIES 9893:3YWMM nidx=null]
 + Megaphthalmoides japonicus Ozerov, 2009 [SYNONYM SPECIES 9902:B9T66 nidx=null parent=BDMNN]
Megaselia (Megaselia) sphinx
 - Megaselia (Megaselia) sphinx Borgmeier, 1966 [ACCEPTED SPECIES 9893:8CRYZ nidx=null]
 + Megaselia (Megaselia) sphinx Borgmeier, 1962 [ACCEPTED SPECIES 9902:B9T7J nidx=null]
Megaspora verrucosa var. mutabilis
 - Megaspora verrucosa var. mutabilis (Ach.) Nimis & Cl. Roux [SYNONYM VARIETY 9893:9ZM52 nidx=null parent=3YZ5C]
 + Megaspora verrucosa var. mutabilis (Ach.) Nimis & Cl. Roux [SYNONYM VARIETY 9902:BBL7K nidx=null parent=3YZ5C]
Megathyrsus maximus var. coloratus
 - Megathyrsus maximus var. coloratus (C.T.White) B.K.Simon & S.W.L.Jacobs [SYNONYM VARIETY 9893:5PZWT nidx=null parent=3YZS8]
 + Megathyrsus maximus var. coloratus (C.T.White) B.K.Simon & S.W.L.Jacobs [SYNONYM VARIETY 9902:BBL7L nidx=null parent=3YZS8]
Megathyrsus maximus var. pubiglumis
 - Megathyrsus maximus var. pubiglumis (K.Schum.) B.K.Simon & S.W.L.Jacobs [SYNONYM VARIETY 9893:7LWS5 nidx=null parent=3YZS8]
 + Megathyrsus maximus var. pubiglumis (K.Schum.) B.K.Simon & S.W.L.Jacobs [SYNONYM VARIETY 9902:BBL7M nidx=null parent=3YZS8]
Melanconis marginalis subsp. europaea
 - Melanconis marginalis subsp. europaea Jaklitsch & Voglmayr [SYNONYM SUBSPECIES 9893:9ZJDT nidx=null parent=3Z6BP]
 + Melanconis marginalis subsp. europaea Jaklitsch & Voglmayr [SYNONYM SUBSPECIES 9902:BDH2W nidx=null parent=3Z6BP]
Melanconis marginalis subsp. italica
 - Melanconis marginalis subsp. italica (Senan., Camporesi & K.D. Hyde) Jaklitsch & Voglmayr [SYNONYM SUBSPECIES 9893:9ZJDV nidx=null parent=3Z6BP]
 + Melanconis marginalis subsp. italica (Senan., Camporesi & K.D. Hyde) Jaklitsch & Voglmayr [SYNONYM SUBSPECIES 9902:BDH2X nidx=null parent=3Z6BP]
Melanconis marginalis subsp. tirolensis
 - Melanconis marginalis subsp. tirolensis Jaklitsch & Voglmayr [SYNONYM SUBSPECIES 9893:9ZJDW nidx=null parent=3Z6BP]
 + Melanconis marginalis subsp. tirolensis Jaklitsch & Voglmayr [SYNONYM SUBSPECIES 9902:BDH2Y nidx=null parent=3Z6BP]
Melanoxantherium flocculossum
 - Melanoxantherium flocculossum (Weed, 1891) [SYNONYM SPECIES 9893:B8DGW nidx=null parent=7HT7C]
 + Melanoxantherium flocculossum (Weed, 1891) [SYNONYM SPECIES 9902:BBXFX nidx=null parent=7HT7C]
Melinna elisabethae
 - Melinna elisabethae McIntosh, 1914 [ACCEPTED SPECIES 9893:3ZFMD nidx=null]
 + Melinna elisabethae McIntosh, 1885 [ACCEPTED SPECIES 9902:BBNQF nidx=null]
Melittia bergii
 - Melittia bergii Edwards, 1884 [ACCEPTED SPECIES 9893:3ZKVH nidx=null]
 + Melittia bergii Edwards, 1883 [ACCEPTED SPECIES 9902:BBXD2 nidx=null]
Melittia bombyliformis
 - Melittia bombyliformis (Cramer, 1782) [ACCEPTED SPECIES 9893:3ZKVK nidx=null]
 - Melittia bombyliformis Walker, 1856 [AMBIGUOUS_SYNONYM SPECIES 9893:3ZKVL nidx=null parent=3ZKX4]
 + Melittia bombyliformis (Stoll, 1782) [SYNONYM SPECIES 9902:BBXD3 nidx=null parent=B9T9C]
Melittia brabanti
 - Melittia brabanti Le Cerf, 1916 [ACCEPTED SPECIES 9893:3ZKVP nidx=null]
 + Melittia brabanti Le Cerf, 1917 [ACCEPTED SPECIES 9902:B9T9B nidx=null]
Melittia chrysogaster
 - Melittia chrysogaster Walker, 1864 [ACCEPTED SPECIES 9893:3ZKW4 nidx=null]
 + Melittia chrysogaster Walker, [1865] [ACCEPTED SPECIES 9902:BBXD5 nidx=null]
Melittia dangeloi
 - Melittia dangeloi Köhler, 1972 [SYNONYM SPECIES 9893:9BFPQ nidx=null parent=7KBT8]
 + Melittia dangeloi Köhler, 1941 [SYNONYM SPECIES 9902:BDBJ5 nidx=null parent=BBFZQ]
Melittia grandis
 - Melittia grandis Hampson, 1892 [SYNONYM SPECIES 9893:936YF nidx=null parent=97JGD]
 + Melittia grandis Hampson, [1893] [SYNONYM SPECIES 9902:BBXD6 nidx=null parent=97JGD]
Melittia lagopus
 - Melittia lagopus Boisduval, 1874 [ACCEPTED SPECIES 9893:3ZKXD nidx=null]
 + Melittia lagopus Boisduval, [1875] [ACCEPTED SPECIES 9902:BBXDL nidx=null]
Melittia magnifica
 - Melittia magnifica Beutenmüller, 1899 [ACCEPTED SPECIES 9893:3ZKXM nidx=null]
 + Melittia magnifica Beutenmüller, 1900 [SYNONYM SPECIES 9902:BBXDM nidx=null parent=B9JZG]
Melittia mysolica
 - Melittia mysolica Walker, 1864 [SYNONYM SPECIES 9893:97JGG nidx=null parent=64VLB]
 + Melittia mysolica Walker, [1865] [SYNONYM SPECIES 9902:BDBJ7 nidx=null parent=B93R6]
Melittia oedipoides
 - Melittia oedipoides Strand, 1912 [SYNONYM SPECIES 9893:3ZKXZ nidx=null parent=3ZKY2]
 + Melittia oedipoides Strand, [1913] [ACCEPTED SPECIES 9902:B9T9M nidx=null]
Melittia powelli
 - Melittia powelli Le Cerf, 1916 [ACCEPTED SPECIES 9893:3ZKY7 nidx=null]
 + Melittia powelli Le Cerf, 1917 [ACCEPTED SPECIES 9902:B9T9N nidx=null]
Melittia productalis
 - Melittia productalis Walker, 1864 [SYNONYM SPECIES 9893:3ZKY8 nidx=null parent=6TQVM]
 + Melittia productalis Walker, [1865] [SYNONYM SPECIES 9902:BBXDN nidx=null parent=BDLXB]
Melittia rutilipes
 - Melittia rutilipes Walker, 1864 [ACCEPTED SPECIES 9893:3ZKYG nidx=null]
 + Melittia rutilipes Walker, [1865] [ACCEPTED SPECIES 9902:BBXDP nidx=null]
Melittia sangaica
 - Melittia sangaica Moore, 1890 [ACCEPTED SPECIES 9893:936YH nidx=null]
 + Melittia sangaica Moore, 1877 [ACCEPTED SPECIES 9902:3ZKYH nidx=null]
Melittia satyriniformis
 - Melittia satyriniformis Hübner, 1825 [ACCEPTED SPECIES 9893:3ZKYJ nidx=null]
 + Melittia satyriniformis Hübner, [1827-1831] [SYNONYM SPECIES 9902:B9T9R nidx=null parent=B9JZ7]
Melittia siamica
 - Melittia siamica Walker, 1864 [ACCEPTED SPECIES 9893:3ZKYL nidx=null]
 + Melittia siamica Walker, [1865] [ACCEPTED SPECIES 9902:B9T9S nidx=null]
Melittia staudingeri
 - Melittia staudingeri Boisduval, 1874 [ACCEPTED SPECIES 9893:3ZKYP nidx=null]
 + Melittia staudingeri Boisduval, [1875] [ACCEPTED SPECIES 9902:BBXDQ nidx=null]
Melittia strigipennis
 - Melittia strigipennis Walker, 1864 [SYNONYM SPECIES 9893:3ZKYQ nidx=null parent=3ZKWJ]
 + Melittia strigipennis Walker, [1865] [ACCEPTED SPECIES 9902:BBXDR nidx=null]
Melittia umbrosa
 - Melittia umbrosa Zukowsky, 1937 [ACCEPTED SPECIES 9893:3ZKYY nidx=null]
 + Melittia umbrosa Zukowsky, 1936 [ACCEPTED SPECIES 9902:B9T9X nidx=null]
Menaethiops monoceros
 - Menaethiops monoceros [SYNONYM SPECIES 9893:3ZPHX nidx=null parent=3ZPJB]
 + Menaethiops monoceros (Latreille, 1825) [SYNONYM SPECIES 9902:BBXFP nidx=null parent=3ZPJB]
Menegazzia neotropica subsp. rotundicarpa
 - Menegazzia neotropica subsp. rotundicarpa Bjerke & Sipman [SYNONYM SUBSPECIES 9893:5JMRP nidx=null parent=72ZQ9]
 + Menegazzia neotropica subsp. rotundicarpa Bjerke & Sipman [SYNONYM SUBSPECIES 9902:BBJ6N nidx=null parent=72ZQ9]
Meringostylus chiquitanus
 - Meringostylus chiquitanus Lindner, 1930 [ACCEPTED SPECIES 9893:6QYX8 nidx=null]
 + Meringostylus chiquitanus Lindner, 1929 [ACCEPTED SPECIES 9902:B9T8Q nidx=null]
Merostomata
 - Merostomata [ACCEPTED CLASS 9893:6225P nidx=null]
 + Merostomata Woodward, 1866 [ACCEPTED CLASS 9902:B8VDQ nidx=null]
Merwilla plumbea subsp. kraussii
 - Merwilla plumbea subsp. kraussii (Baker) J.C.Manning [ACCEPTED SUBSPECIES 9893:8YDX4 nidx=null]
 + Merwilla plumbea subsp. kraussii (Baker) J.C.Manning [ACCEPTED SUBSPECIES 9902:BBJ6P nidx=null]
Mesorhaga mellavana
 - Mesorhaga mellavana Hollis, 1963 [SYNONYM SPECIES 9893:89FBW nidx=null parent=89Y95]
 + Mesorhaga mellavana Hollis, 1964 [SYNONYM SPECIES 9902:B9T8V nidx=null parent=B99KC]
Metopolophium (Metopolophium) festucae
 - Metopolophium (Metopolophium) festucae [ACCEPTED SPECIES 9893:42HCD nidx=null]
 + Metopolophium (Metopolophium) festucae [ACCEPTED SPECIES 9902:B9TM6 nidx=null]
Metriocnemus sudagaimeneus
 - Metriocnemus sudagaimeneus Sasa & Tanaka, 1989 [ACCEPTED SPECIES 9893:9HXSH nidx=null]
 + Metriocnemus sudagaimeneus Sasa & Tanaka, 2001 [ACCEPTED SPECIES 9902:B9TBN nidx=null]
Metulocladosporiella musae
 - Metulocladosporiella musae (E.W. Mason) Crous, Schroers, J.Z. Groenew., U. Braun & K. Schub. [ACCEPTED SPECIES 9893:42K8L nidx=null]
 + Metulocladosporiella musae (E.W. Mason) Crous, Schroers, J.Z. Groenew., U. Braun & K. Schub. [ACCEPTED SPECIES 9902:B8XQ8 nidx=null]
Microchrysa matengoensis
 - Microchrysa matengoensis Lindner, 1944 [ACCEPTED SPECIES 9893:73G3C nidx=null]
 + Microchrysa matengoensis Lindner, 1943 [ACCEPTED SPECIES 9902:B9TFB nidx=null]
Microprosopa varicornis
 - Microprosopa varicornis Curran, 1927 [SYNONYM SPECIES 9893:88P3M nidx=null parent=8H39V]
 + Microprosopa varicornis Curran, 1927 [ACCEPTED SPECIES 9902:434NZ nidx=null]
Microprosopa zlobini
 - Microprosopa zlobini Ozerov, 2009 [SYNONYM SPECIES 9893:9HBMN nidx=null parent=8H3YP]
 + Microprosopa zlobini Ozerov, 2008 [ACCEPTED SPECIES 9902:89G7S nidx=null]
Micropsalliota brunneosperma var. cortinata
 - Micropsalliota brunneosperma var. cortinata Heinem. [SYNONYM VARIETY 9893:5Q5GN nidx=null parent=434QQ]
 + Micropsalliota brunneosperma var. cortinata Heinem. [SYNONYM VARIETY 9902:BBL7P nidx=null parent=434QQ]
Microsolena brancai
 - Microsolena brancai (Diterich, 1926) [ACCEPTED SPECIES 9893:9X8XB nidx=null]
 + Microsolena brancai (Dietrich, 1926) [ACCEPTED SPECIES 9902:BBXXD nidx=null]
Microsphecia suisharyonis
 - Microsphecia suisharyonis Strand, 1916 [SYNONYM SPECIES 9893:97KK7 nidx=null parent=7CPSX]
 + Microsphecia suisharyonis Strand, [1917] [SYNONYM SPECIES 9902:BDBLQ nidx=null parent=BDM7N]
Minirhodacarellus
 - Minirhodacarellus [ACCEPTED GENUS 9893:5TCW nidx=null]
 + Minirhodacarellus Shcherbak, 1980 [ACCEPTED GENUS 9902:B8ZQG nidx=null]
Minolia shimajiriensis
 - Minolia shimajiriensis (MacNeil, 1960) [ACCEPTED SPECIES 9893:7S5TX nidx=null]
 + Minolia shimajiriensis (MacNeil, 1961) [ACCEPTED SPECIES 9902:B9TSC nidx=null]
Molinia caerulea subsp. arundinacea
 - Molinia caerulea subsp. arundinacea (Schrank) K.Richt. [SYNONYM SUBSPECIES 9893:7KCQW nidx=null parent=43VQR]
 + Molinia caerulea subsp. arundinacea (Schrank) K.Richt. [SYNONYM SUBSPECIES 9902:BBJ6Y nidx=null parent=43VQR]
Mollitrichosiphum (Metatrichosiphon) yamabiwae
 - Mollitrichosiphum (Metatrichosiphon) yamabiwae [ACCEPTED SPECIES 9893:B7BHF nidx=null]
 + Mollitrichosiphum (Metatrichosiphon) yamabiwae [ACCEPTED SPECIES 9902:BBYNV nidx=null]
Molophilus (Austromolophilus)
 - Molophilus (Austromolophilus) Theischinger, 1988 [ACCEPTED SUBGENUS 9893:8GZQ7 nidx=null]
 + Molophilus (Austromolophilus) Theischinger, 1988 [ACCEPTED SUBGENUS 9902:B8ZNS nidx=null]
Molophilus (Bistromolophilus)
 - Molophilus (Bistromolophilus) Theischinger, 1999 [ACCEPTED SUBGENUS 9893:8GZBD nidx=null]
 + Molophilus (Bistromolophilus) Theischinger, 1999 [ACCEPTED SUBGENUS 9902:B8ZNT nidx=null]
Molophilus (Diplomolophilus)
 - Molophilus (Diplomolophilus) Theischinger, 1992 [ACCEPTED SUBGENUS 9893:8H2JR nidx=null]
 + Molophilus (Diplomolophilus) Theischinger, 1992 [ACCEPTED SUBGENUS 9902:B8ZP7 nidx=null]
Molophilus (Eumolophilus)
 - Molophilus (Eumolophilus) Alexander, 1921 [ACCEPTED SUBGENUS 9893:8GZ77 nidx=null]
 + Molophilus (Eumolophilus) Alexander, 1921 [ACCEPTED SUBGENUS 9902:B8ZPD nidx=null]
Molophilus (Lyriomolophilus)
 - Molophilus (Lyriomolophilus) Theischinger, 1988 [ACCEPTED SUBGENUS 9893:8GZTW nidx=null]
 + Molophilus (Lyriomolophilus) Theischinger, 1988 [ACCEPTED SUBGENUS 9902:B8ZPR nidx=null]
Molophilus (Onychomolophilus)
 - Molophilus (Onychomolophilus) Theischinger, 1992 [ACCEPTED SUBGENUS 9893:8GYZ9 nidx=null]
 + Molophilus (Onychomolophilus) Theischinger, 1992 [ACCEPTED SUBGENUS 9902:B8ZQ2 nidx=null]
Molophilus (Promolophilus)
 - Molophilus (Promolophilus) Alexander, 1966 [ACCEPTED SUBGENUS 9893:8H2C5 nidx=null]
 + Molophilus (Promolophilus) Alexander, 1966 [ACCEPTED SUBGENUS 9902:B8ZQP nidx=null]
Molophilus (Superbomolophilus)
 - Molophilus (Superbomolophilus) Theischinger, 1988 [ACCEPTED SUBGENUS 9893:8GZJC nidx=null]
 + Molophilus (Superbomolophilus) Theischinger, 1988 [ACCEPTED SUBGENUS 9902:B8ZQY nidx=null]
Monodacna imrei
 - Monodacna imrei Wesselingh & Alçiçek, 2018 [ACCEPTED SPECIES 9893:87BBX nidx=null]
 + Monodacna imrei Wesselingh & Alçiçek, 2010 [ACCEPTED SPECIES 9902:BBYLX nidx=null]
Monogenea
 - Monogenea [ACCEPTED CLASS 9893:62269 nidx=null]
 + Monogenea Van Beneden, 1858 [ACCEPTED CLASS 9902:B8V3X nidx=null]
Monolistra (Monolistra) caeca intermedia
 - Monolistra (Monolistra) caeca intermedia Sket, 1965 [ACCEPTED SUBSPECIES 9893:7HHFD nidx=null]
 + Monolistra (Monolistra) caeca intermedia Sket, 1964 [SYNONYM SUBSPECIES 9902:BCRGT nidx=null parent=BDPQV]
Monolistra (Typhlosphaeroma) matjasici
 - Monolistra (Typhlosphaeroma) matjasici Sket, 1965 [ACCEPTED SPECIES 9893:447W3 nidx=null]
 + Monolistra (Typhlosphaeroma) matjasici Sket, 1964 [ACCEPTED SPECIES 9902:BBYM2 nidx=null]
Monolistra (Typhlosphaeroma) racovitzai conopyge
 - Monolistra (Typhlosphaeroma) racovitzai conopyge Sket, 1965 [ACCEPTED SUBSPECIES 9893:7HHDR nidx=null]
 + Monolistra (Typhlosphaeroma) racovitzai conopyge Sket, 1964 [ACCEPTED SUBSPECIES 9902:BBJ6Z nidx=null]
Monolistra (Typhlosphaeroma) racovitzai pseudoberica
 - Monolistra (Typhlosphaeroma) racovitzai pseudoberica Sket, 1965 [ACCEPTED SUBSPECIES 9893:7HHDT nidx=null]
 + Monolistra (Typhlosphaeroma) racovitzai pseudoberica Sket, 1964 [ACCEPTED SUBSPECIES 9902:BCRGV nidx=null]
Monopetalotaxis
 - Monopetalotaxis Wallengren, 1858 [ACCEPTED GENUS 9893:92FZH nidx=null]
 + Monopetalotaxis Wallengren, 1859 [ACCEPTED GENUS 9902:B8YMW nidx=null]
Monopetalotaxis wahlbergi
 - Monopetalotaxis wahlbergi Wallengren, 1860 [SYNONYM SPECIES 9893:448KY nidx=null parent=448KV]
 + Monopetalotaxis wahlbergi Wallengren, 1859 [SYNONYM SPECIES 9902:BBYQV nidx=null parent=448KV]
Mucor psychrophilus
 - Mucor psychrophilus Milko [ACCEPTED SPECIES 9893:44H9D nidx=null]
 + Mucor psychrophilus Milko [ACCEPTED SPECIES 9902:BBYTW nidx=null]
Mucor ucrainicus
 - Mucor ucrainicus Milko [ACCEPTED SPECIES 9893:44HBJ nidx=null]
 + Mucor ucrainicus Milko [ACCEPTED SPECIES 9902:B8XRD nidx=null]
Mucor zonatus
 - Mucor zonatus Milko [ACCEPTED SPECIES 9893:44HBY nidx=null]
 + Mucor zonatus Milko [ACCEPTED SPECIES 9902:B8XRF nidx=null]
Multidentorhodacarus
 - Multidentorhodacarus [ACCEPTED GENUS 9893:5VNC nidx=null]
 + Multidentorhodacarus Karg, 2000 [ACCEPTED GENUS 9902:B8ZR7 nidx=null]
Murex recticornis
 - Murex recticornis E. von Martens [in Lobbecke & Kobelt] , 1880 [SYNONYM SPECIES 9893:9WQTY nidx=null parent=TZGQ]
 + Murex recticornis Löbbecke & Kobelt, 1880 [SYNONYM SPECIES 9902:BBYSB nidx=null parent=TZGQ]
Muscina japonica
 - Muscina japonica Shinonaga, 1970 [ACCEPTED SPECIES 9893:44Q72 nidx=null]
 + Muscina japonica Shinonaga, 1974 [SYNONYM SPECIES 9902:B9TPN nidx=null parent=44Q79]
Mycetinis scorodonius f. diminutivus
 - Mycetinis scorodonius f. diminutivus R.H. Petersen, Dyson & Ammirati [SYNONYM FORM 9893:5SRCX nidx=null parent=744D3]
 + Mycetinis scorodonius f. diminutivus R.H. Petersen, Dyson & Ammirati [SYNONYM FORM 9902:BBLKC nidx=null parent=744D3]
Mycoblastus sanguinarius f. leprosus
 - Mycoblastus sanguinarius f. leprosus Nádv. [SYNONYM FORM 9893:5SRD2 nidx=null parent=44WG9]
 + Mycoblastus sanguinarius f. leprosus Nádv. [SYNONYM FORM 9902:BBLKD nidx=null parent=44WG9]
Myrmarachne simoni
 - Myrmarachne simoni (L. Koch, 1879) [SYNONYM SPECIES 9893:743H2 nidx=null parent=6RRHC]
 + Myrmarachne simoni (L. Koch, 1879) [SYNONYM SPECIES 9902:B9TYS nidx=null parent=6RRHC]
Myrmeconema
 - Myrmeconema [ACCEPTED GENUS 9893:9B6FP nidx=null]
 + Myrmeconema Poinar & Yanoviak, 2008 [ACCEPTED GENUS 9902:BBPJS nidx=null]
Mystacocarida
 - Mystacocarida [ACCEPTED SUBCLASS 9893:84JPB nidx=null]
 + Mystacocarida Pennak & Zinn, 1943 [ACCEPTED SUBCLASS 9902:B8WJX nidx=null]
Myxosargus gryphus
 - Myxosargus gryphus James, 1929 [SYNONYM SPECIES 9893:45HF3 nidx=null parent=45HFD]
 + Myxosargus gryphus James, 1973 [SYNONYM SPECIES 9902:B9TSH nidx=null parent=45HFD]
Myxozoa
 - Myxozoa [ACCEPTED CLASS 9893:59 nidx=null]
 + Myxozoa (Grassé, 1970) [ACCEPTED CLASS 9902:B8VDM nidx=null]
Myzus (Myzus) cornutus
 - Myzus (Myzus) cornutus [ACCEPTED SPECIES 9893:45HZZ nidx=null]
 + Myzus (Myzus) cornutus [ACCEPTED SPECIES 9902:BBZ2N nidx=null]
Myzus (Myzus) godetiae
 - Myzus (Myzus) godetiae [ACCEPTED SPECIES 9893:B8FJV nidx=null]
 + Myzus (Myzus) godetiae [ACCEPTED SPECIES 9902:BBZ2R nidx=null]
Myzus (Myzus) inuzakurae
 - Myzus (Myzus) inuzakurae [ACCEPTED SPECIES 9893:45J2D nidx=null]
 + Myzus (Myzus) inuzakurae [ACCEPTED SPECIES 9902:BBZ2W nidx=null]
Myzus (Myzus) kokusaki
 - Myzus (Myzus) kokusaki [ACCEPTED SPECIES 9893:45J2J nidx=null]
 + Myzus (Myzus) kokusaki [ACCEPTED SPECIES 9902:BBZ32 nidx=null]
Nanina emiliana
 - Nanina emiliana (L. Pfeiffer, 1854) [SYNONYM SPECIES 9893:7S98N nidx=null parent=7R9V6]
 + Nanina emiliana (Reeve, 1852) [SYNONYM SPECIES 9902:BBYXJ nidx=null parent=BBDPZ]
Nanina isabellina
 - Nanina isabellina (L. Pfeiffer, 1855) [SYNONYM SPECIES 9893:7S99P nidx=null parent=7R9VG]
 + Nanina isabellina (Reeve, 1854) [SYNONYM SPECIES 9902:BBYXK nidx=null parent=BBDQ2]
Nanina layardi
 - Nanina layardi (L. Pfeiffer, 1853) [SYNONYM SPECIES 9893:7S99W nidx=null parent=7R9VM]
 + Nanina layardi (Reeve, 1852) [SYNONYM SPECIES 9902:BBYXL nidx=null parent=BBDQ3]
Nanina semidecussata
 - Nanina semidecussata (L. Pfeiffer, 1851) [SYNONYM SPECIES 9893:7S9C5 nidx=null parent=7R9WB]
 + Nanina semidecussata (Reeve, 1852) [SYNONYM SPECIES 9902:BBYXM nidx=null parent=B9LXZ]
Nassa (Hebra) jonkeri
 - Nassa (Hebra) jonkeri K. Martin, 1883 [SYNONYM SPECIES 9893:45QQ4 nidx=null parent=45RR2]
 + Nassa (Hebra) jonkeri K. Martin, 1884 [SYNONYM SPECIES 9902:BBYZ9 nidx=null parent=45RR2]
Neaera inflata
 - Neaera inflata K. Martin, 1884 [AMBIGUOUS_SYNONYM SPECIES 9893:B8FLF nidx=null parent=7QWJY]
 + Neaera inflata K. Martin, 1885 [AMBIGUOUS_SYNONYM SPECIES 9902:BBZ5D nidx=null parent=7QWJY]
Nemotelus (Nemotelus) inconspicuus
 - Nemotelus (Nemotelus) inconspicuus Pleske, 1933 [ACCEPTED SPECIES 9893:88RDQ nidx=null]
 + Nemotelus (Nemotelus) inconspicuus Pleske, 1937 [ACCEPTED SPECIES 9902:B9TTF nidx=null]
Nemotelus catharistis
 - Nemotelus catharistis Lindner, 1930 [SYNONYM SPECIES 9893:7476S nidx=null parent=88R8Y]
 + Nemotelus catharistis Lindner, 1929 [SYNONYM SPECIES 9902:B9TTC nidx=null parent=88R8Y]
Nemotelus inconspicuus
 - Nemotelus inconspicuus Pleske, 1933 [SYNONYM SPECIES 9893:469CN nidx=null parent=88RDQ]
 + Nemotelus inconspicuus Lindner, 1933 [SYNONYM SPECIES 9902:B9TTD nidx=null parent=B9TTF]
Nemotelus leucorhynchus
 - Nemotelus leucorhynchus Costa, 1884 [ACCEPTED SPECIES 9893:469DB nidx=null]
 + Nemotelus leucorhynchus Costa, 1884 [SYNONYM SPECIES 9902:89JR6 nidx=null parent=6S76G]
Nemotelus niloticus
 - Nemotelus niloticus Olivier, 1811 [ACCEPTED SPECIES 9893:6RV6G nidx=null]
 + Nemotelus niloticus Olivier, 1811 [SYNONYM SPECIES 9902:89JRY nidx=null parent=92TZH]
Nemotelus notatus
 - Nemotelus notatus Zetterstedt, 1842 [SYNONYM SPECIES 9893:89JRZ nidx=null parent=88RFP]
 + Nemotelus notatus Zetterstedt, 1842 [ACCEPTED SPECIES 9902:6S76G nidx=null]
Nemotelus reodingeri
 - Nemotelus reodingeri Lindner, 1951 [SYNONYM SPECIES 9893:88RK6 nidx=null parent=88RB9]
 + Nemotelus reodingeri Lindner, 1941 [SYNONYM SPECIES 9902:B9TTK nidx=null parent=88RB9]
Neoboletus erythropus var. rubropileus
 - Neoboletus erythropus var. rubropileus (Dermek) Mikšík [SYNONYM VARIETY 9893:B263S nidx=null parent=9ZC6Y]
 + Neoboletus erythropus var. rubropileus (Dermek) Mikšík [SYNONYM VARIETY 9902:BBL7R nidx=null parent=9ZC6Y]
Neoceratitis asiatica
 - Neoceratitis asiatica (Becker, 1908) [ACCEPTED SPECIES 9893:46CJM nidx=null]
 + Neoceratitis asiatica (Becker, 1907) [ACCEPTED SPECIES 9902:B9TTN nidx=null]
Neocyrtopsis (Neocyrtopsis)
 - Neocyrtopsis (Neocyrtopsis) Liu & Zhang, 2007 [ACCEPTED SUBGENUS 9893:8PW2F nidx=null]
 + Neocyrtopsis (Neocyrtopsis) Liu & Zhang, 2007 [ACCEPTED SUBGENUS 9902:B8WN7 nidx=null]
Neogamasellevans
 - Neogamasellevans [ACCEPTED GENUS 9893:5ZH9 nidx=null]
 + Neogamasellevans Loots & Ryke, 1967 [ACCEPTED GENUS 9902:B8ZSX nidx=null]
Neolophonotus engeli
 - Neolophonotus engeli (Londt, 1983) [ACCEPTED SPECIES 9893:46LF7 nidx=null]
 + Neolophonotus engeli Londt, 1988 [ACCEPTED SPECIES 9902:46LF6 nidx=null]
Neolophonotus leechi
 - Neolophonotus leechi (Londt, 1985) [ACCEPTED SPECIES 9893:46LGR nidx=null]
 + Neolophonotus leechi Londt, 1988 [ACCEPTED SPECIES 9902:46LGS nidx=null]
Neolophonotus rossi
 - Neolophonotus rossi (Londt, 1985) [ACCEPTED SPECIES 9893:46LKH nidx=null]
 + Neolophonotus rossi Londt, 1986 [ACCEPTED SPECIES 9902:46LKJ nidx=null]
Neozealides irrorata
 - Neozealides irrorata (Tonnoir & Malloch, 1926) [ACCEPTED SPECIES 9893:8CZLB nidx=null]
 + Neozealides irrorata (Tonnoir & Malloch, 1926) [ACCEPTED SPECIES 9902:B8VKF nidx=null]
Neptunea (Eosipho) asphaltodes
 - Neptunea (Eosipho) asphaltodes Beets, 1942 [SYNONYM SPECIES 9893:473ZJ nidx=null parent=6FKGM]
 + Neptunea (Eosipho) asphaltodes Beets, 1943 [SYNONYM SPECIES 9902:BBZ8Z nidx=null parent=6FKGM]
Neptunea asphaltodes
 - Neptunea asphaltodes Beets, 1942 [SYNONYM SPECIES 9893:748S2 nidx=null parent=6FKGM]
 + Neptunea asphaltodes Beets, 1943 [SYNONYM SPECIES 9902:BBZ8Y nidx=null parent=6FKGM]
Nesolechia oxyspora var. fusca
 - Nesolechia oxyspora var. fusca (Triebel & Rambold) Diederich [SYNONYM VARIETY 9893:7LYYD nidx=null parent=4QHNP]
 + Nesolechia oxyspora var. fusca (Triebel & Rambold) Diederich [SYNONYM VARIETY 9902:BBL7T nidx=null parent=4QHNP]
Neurogoninae
 - Neurogoninae [ACCEPTED TRIBE 9893:89PCR nidx=null]
 + Neurogoninae [ACCEPTED SUBFAMILY 9902:B8X4Z nidx=null]
Nigritomyia ceylonica
 - Nigritomyia ceylonica Kertész, 1920 [ACCEPTED SPECIES 9893:6RY8F nidx=null]
 + Nigritomyia ceylonica Kertész, 1921 [ACCEPTED SPECIES 9902:B9TWN nidx=null]
Niso smithi
 - Niso smithi Schepman, 1908 [ACCEPTED SPECIES 9893:7SC8V nidx=null]
 + Niso smithi Schepman, 1909 [ACCEPTED SPECIES 9902:B9VK5 nidx=null]
Nola chlamidulalis
 - Nola chlamidulalis Vorbrodt, 1914 [SYNONYM SPECIES 9893:97P3Q nidx=null parent=945T4]
 + Nola chlamidulalis Hübner [SYNONYM SPECIES 9902:BDBSW nidx=null parent=945T4]
Nola chlamydulalis
 - Nola chlamydulalis Treitschke, 1835 [SYNONYM SPECIES 9893:97P3R nidx=null parent=945T4]
 + Nola chlamydulalis Hübner [SYNONYM SPECIES 9902:BDBSX nidx=null parent=945T4]
Nola lucidalis
 - Nola lucidalis Walker, 1864 [ACCEPTED SPECIES 9893:945TZ nidx=null]
 + Nola lucidalis (Walker, 1865) [ACCEPTED SPECIES 9902:B9VXQ nidx=null]
Nola serraunias
 - Nola serraunias Strand, 1920 [SYNONYM SPECIES 9893:97PCG nidx=null parent=73YWX]
 + Nola serraunias Turner, 1899 [SYNONYM SPECIES 9902:BDBSY nidx=null parent=73YWX]
Nolavia antiguensis columbiensis
 - Nolavia antiguensis columbiensis (Schmidt, 1971) [ACCEPTED SUBSPECIES 9893:95H4J nidx=null]
 + Nolavia antiguensis columbiensis (Schmidt, 1971) [ACCEPTED SUBSPECIES 9902:BBJ7S nidx=null]
Nothomyia bicolor
 - Nothomyia bicolor Hollis, 1962 [ACCEPTED SPECIES 9893:6SCBM nidx=null]
 + Nothomyia bicolor Hollis, 1963 [ACCEPTED SPECIES 9902:B9TWS nidx=null]
Nothria nikitai
 - Nothria nikitai Budaeva, 2014 [ACCEPTED SPECIES 9893:47TYC nidx=null]
 + Nothria nikitai Budaeva, 2015 [ACCEPTED SPECIES 9902:BBNXT nidx=null]
Notogamasellus
 - Notogamasellus [ACCEPTED GENUS 9893:65D6 nidx=null]
 + Notogamasellus Loots & Ryke, 1965 [ACCEPTED GENUS 9902:B8ZXQ nidx=null]
 + Notogamasellus Loots & Ryke, 1965 [SYNONYM SUBGENUS 9902:B8ZXR nidx=null parent=B8ZXQ]
Nototropis guttatus
 - Nototropis guttatus Costa, 1853 [ACCEPTED SPECIES 9893:6SDDJ nidx=null]
 + Nototropis guttatus (A. Costa in Hope, 1851) [ACCEPTED SPECIES 9902:B9WCX nidx=null]
Nowickia (Nowickia) marklini
 - Nowickia (Nowickia) marklini (Zetterstedt, 1838) [ACCEPTED SPECIES 9893:8D2DH nidx=null]
 + Nowickia (Nowickia) marklini (Zetterstedt, 1837) [ACCEPTED SPECIES 9902:B9TYL nidx=null]
Nyctaegeria rohani
 - Nyctaegeria rohani Le Cerf, 1915 [ACCEPTED SPECIES 9893:484WB nidx=null]
 + Nyctaegeria rohani Le Cerf, 1914 [SYNONYM SPECIES 9902:BC378 nidx=null parent=B9WDN]
Octocorallia
 - Octocorallia [ACCEPTED SUBCLASS 9893:84JPC nidx=null]
 + Octocorallia Haeckel, 1866 [ACCEPTED SUBCLASS 9902:B8WK3 nidx=null]
Ocypodoidea
 - Ocypodoidea Rafinesque, 1815 [ACCEPTED SUPERFAMILY 9893:7NFQ5 nidx=null]
 + Ocypodoidea Rafinesque, 1815 [ACCEPTED SUPERFAMILY 9902:B8VFR nidx=null]
Odontomyia (Odontomyia) africana
 - Odontomyia (Odontomyia) africana (Lindner, 1944) [ACCEPTED SPECIES 9893:8D2Y3 nidx=null]
 + Odontomyia (Odontomyia) africana (Lindner, 1943) [ACCEPTED SPECIES 9902:B9TZ6 nidx=null]
Odontomyia nuda
 - Odontomyia nuda James, 1932 [SYNONYM SPECIES 9893:48QQ4 nidx=null parent=5V99W]
 + Odontomyia nuda James, 1933 [SYNONYM SPECIES 9902:B9TZ7 nidx=null parent=5V99W]
Odontomyia nyassica
 - Odontomyia nyassica (Lindner, 1944) [ACCEPTED SPECIES 9893:48QQ5 nidx=null]
 + Odontomyia nyassica (Lindner, 1943) [ACCEPTED SPECIES 9902:B9TZ8 nidx=null]
Oestrus columbacensis
 - Oestrus columbacensis Scopoli, 1780 [SYNONYM SPECIES 9893:8D32W nidx=null parent=8DYMT]
 + Oestrus columbacensis Scopoli, 1779 [SYNONYM SPECIES 9902:B9TZD nidx=null parent=BDMSL]
Oligochaeta
 - Oligochaeta [ACCEPTED SUBCLASS 9893:84JNX nidx=null]
 + Oligochaeta Grube, 1850 [ACCEPTED SUBCLASS 9902:B8W6D nidx=null]
Oligochaetus paludicola
 - Oligochaetus paludicola Karl, 1921 [SYNONYM SPECIES 9893:495VN nidx=null parent=73H68]
 + Oligochaetus paludicola Negrobov, 1991 [SYNONYM SPECIES 9902:B9V23 nidx=null parent=73H68]
Oligodontomyia
 - Oligodontomyia [PROVISIONALLY_ACCEPTED GENUS 9893:9HGYZ nidx=null]
 + Oligodontomyia [ACCEPTED GENUS 9902:8Z289 nidx=null]
Oligophlebia nigralba
 - Oligophlebia nigralba Hampson, 1892 [ACCEPTED SPECIES 9893:496RT nidx=null]
 + Oligophlebia nigralba Hampson, 1893 [ACCEPTED SPECIES 9902:B9XR6 nidx=null]
Oligophlebiella polishana
 - Oligophlebiella polishana Strand, 1915 [ACCEPTED SPECIES 9893:496RV nidx=null]
 + Oligophlebiella polishana Strand, [1916] [SYNONYM SPECIES 9902:B9XR7 nidx=null parent=BB27D]
Ologamasidae
 - Ologamasidae [ACCEPTED FAMILY 9893:DKN nidx=null]
 + Ologamasidae Ryke, 1962 [ACCEPTED FAMILY 9902:B8V86 nidx=null]
Ologamasus
 - Ologamasus [ACCEPTED GENUS 9893:63G86 nidx=null]
 + Ologamasus Berlese, 1888 [ACCEPTED GENUS 9902:B8YRY nidx=null]
 + Ologamasus Berlese, 1888 [SYNONYM SUBGENUS 9902:B8YRZ nidx=null parent=B8YRY]
 + Ologamasus Berlese, 1888 [SYNONYM SUBGENUS 9902:B8YS2 nidx=null parent=B8YRY]
Onchogamasus
 - Onchogamasus [ACCEPTED GENUS 9893:6875 nidx=null]
 + Onchogamasus Womersley, 1956 [ACCEPTED GENUS 9902:B8ZYF nidx=null]
Oncopeltus (Oncopeltus)
 - Oncopeltus (Oncopeltus) Stal, 1868 [ACCEPTED SUBGENUS 9893:B6RJB nidx=null]
 + Oncopeltus (Oncopeltus) Stal, 1868 [ACCEPTED SUBGENUS 9902:B8YS5 nidx=null]
Oncopsis (Oncopsis)
 - Oncopsis (Oncopsis) Burmeister, 1838 [ACCEPTED SUBGENUS 9893:8JMVZ nidx=null]
 + Oncopsis (Oncopsis) Burmeister, 1838 [ACCEPTED SUBGENUS 9902:B8VN9 nidx=null]
Opacifrons jorlii
 - Opacifrons jorlii Carles-Tolrá, 1986 [ACCEPTED SPECIES 9893:6SNVC nidx=null]
 + Opacifrons jorlii Carles-Tolrá, 1990 [ACCEPTED SPECIES 9902:B9V4Q nidx=null]
Opacifrons liupanensis
 - Opacifrons liupanensis (Su & Liu, 2009) [ACCEPTED SPECIES 9893:8D3KW nidx=null]
 + Opacifrons liupanensis (Su & Liu, 2010) [ACCEPTED SPECIES 9902:B9V4R nidx=null]
Opegrapha atra var. obscura
 - Opegrapha atra var. obscura (Pers.) Schaer. [SYNONYM VARIETY 9893:B2PSN nidx=null parent=44XJH]
 + Opegrapha atra var. obscura (Pers.) Schaer. [SYNONYM VARIETY 9902:BDGNL nidx=null parent=44XJH]
Ophiopogon dracaenoides var. pleianthus
 - Ophiopogon dracaenoides var. pleianthus N.Tanaka & Aver. [ACCEPTED VARIETY 9893:9V3BG nidx=null]
 + Ophiopogon dracaenoides var. pleianthus N.Tanaka & Aver. [ACCEPTED VARIETY 9902:BBL85 nidx=null]
Ophiuroidea
 - Ophiuroidea [ACCEPTED CLASS 9893:FH nidx=null]
 + Ophiuroidea Gray, 1840 [ACCEPTED CLASS 9902:B8VCM nidx=null]
Opilio parietinus
 - Opilio parietinus (De Geer, 1778) [ACCEPTED SPECIES 9893:7W5SG nidx=null]
 + Opilio parietinus (DeGeer, 1778) [ACCEPTED SPECIES 9902:B8ZK9 nidx=null]
Oplismenus hirtellus subsp. imbecillis
 - Oplismenus hirtellus subsp. imbecillis (R.Br.) U.Scholz [SYNONYM SUBSPECIES 9893:5K265 nidx=null parent=74RRV]
 + Oplismenus hirtellus subsp. imbecillis (R.Br.) U.Scholz [SYNONYM SUBSPECIES 9902:BBJ8R nidx=null parent=74RRV]
Oplismenus hirtellus subsp. setarius
 - Oplismenus hirtellus subsp. setarius (Lam.) Mez ex Ekman [SYNONYM SUBSPECIES 9893:7KHBG nidx=null parent=74S49]
 + Oplismenus hirtellus subsp. setarius (Lam.) Mez ex Ekman [SYNONYM SUBSPECIES 9902:BBJ8S nidx=null parent=74S49]
Oplismenus undulatifolius var. japonicus
 - Oplismenus undulatifolius var. japonicus (Steud.) Koidz. [SYNONYM VARIETY 9893:5QD5N nidx=null parent=6T449]
 + Oplismenus undulatifolius var. japonicus (Steud.) Koidz. [SYNONYM VARIETY 9902:BBL86 nidx=null parent=6T449]
Oriflammella
 - Oriflammella [ACCEPTED GENUS 9893:69T5 nidx=null]
 + Oriflammella Halliday, 2008 [ACCEPTED GENUS 9902:B8ZYK nidx=null]
Orimarga (Diotrepha)
 - Orimarga (Diotrepha) Osten Sacken, 1878 [ACCEPTED SUBGENUS 9893:8H28G nidx=null]
 + Orimarga (Diotrepha) Osten Sacken, 1878 [ACCEPTED SUBGENUS 9902:B8ZP6 nidx=null]
Orithyioidea
 - Orithyioidea Dana, 1852 [ACCEPTED SUPERFAMILY 9893:7NGTH nidx=null]
 + Orithyioidea Dana, 1852 [ACCEPTED SUPERFAMILY 9902:B8WMY nidx=null]
Orphanciulus religiosus
 - Orphanciulus religiosus [sic] [SYNONYM SPECIES 9893:74VMK nidx=null parent=74VMB]
 + Orphanciulus religiosus (Silvestri, 1903) [SYNONYM SPECIES 9902:BC3QR nidx=null parent=74VMB]
Orpiella (Owaraha) keppelli
 - Orpiella (Owaraha) keppelli (L. Pfeiffer, 1855) [SYNONYM SPECIES 9893:7SK7T nidx=null parent=7SK8G]
 + Orpiella (Owaraha) keppelli (Reeve, 1854) [SYNONYM SPECIES 9902:BC3QS nidx=null parent=BC3QT]
Orpiella keppelli
 - Orpiella keppelli (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7SK8G nidx=null]
 + Orpiella keppelli (Reeve, 1854) [ACCEPTED SPECIES 9902:BC3QT nidx=null]
Orthostylus rehbeini
 - Orthostylus rehbeini (L. Pfeiffer, 1852) [ACCEPTED SPECIES 9893:B8TLG nidx=null]
 + Orthostylus rehbeini (Reeve, 1852) [ACCEPTED SPECIES 9902:BDLDS nidx=null]
Ostracoda
 - Ostracoda [ACCEPTED CLASS 9893:62299 nidx=null]
 + Ostracoda Latreille, 1802 [ACCEPTED CLASS 9902:B8TXJ nidx=null]
Oxidercia toxea
 - Oxidercia toxea Druce, 1781 [AMBIGUOUS_SYNONYM SPECIES 9893:938BZ nidx=null parent=4BBWZ]
 + Oxidercia toxea Druce [AMBIGUOUS_SYNONYM SPECIES 9902:B9ZD7 nidx=null parent=4BBXF]
 + Oxidercia toxea Druce, 1781 [AMBIGUOUS_SYNONYM SPECIES 9902:B9ZD8 nidx=null parent=4BBWZ]
Oxyna contingens
 - Oxyna contingens Becker, 1908 [SYNONYM SPECIES 9893:88TS5 nidx=null parent=QCMW]
 + Oxyna contingens Becker, 1907 [SYNONYM SPECIES 9902:B9VB2 nidx=null parent=B9N2Y]
Oxyna diluta
 - Oxyna diluta Becker, 1908 [SYNONYM SPECIES 9893:88TS6 nidx=null parent=6THHM]
 + Oxyna diluta Becker, 1907 [SYNONYM SPECIES 9902:B9VB3 nidx=null parent=BDNTY]
Oxyna evanescens
 - Oxyna evanescens Becker, 1908 [SYNONYM SPECIES 9893:4BG5F nidx=null parent=QCMW]
 + Oxyna evanescens Becker, 1907 [SYNONYM SPECIES 9902:B9VB4 nidx=null parent=B9N2Y]
Pachycerianthus plicatus
 - Pachycerianthus plicatus Carlgren, 1924 [SYNONYM SPECIES 9893:4BQFQ nidx=null parent=6TGMG]
 + Pachycerianthus plicatus Carlgren, 1922 [SYNONYM SPECIES 9902:B8VZG nidx=null parent=6TGMG]
Pachymasiphis
 - Pachymasiphis [ACCEPTED GENUS 9893:6BV2 nidx=null]
 + Pachymasiphis Castilho, Silva, Moraes & Halliday, 2016 [ACCEPTED GENUS 9902:B8ZYM nidx=null]
Pacifigorgia engelmanni
 - Pacifigorgia engelmanni (Horn, 1861) [ACCEPTED SPECIES 9893:85W9X nidx=null]
 + Pacifigorgia engelmanni (Horn, 1860) [ACCEPTED SPECIES 9902:BC3XW nidx=null]
Palaeotetradonema
 - Palaeotetradonema [ACCEPTED GENUS 9893:9B6G5 nidx=null]
 + Palaeotetradonema Poinar, 2011 [ACCEPTED GENUS 9902:BBPN9 nidx=null]
Panicum dichotomiflorum var. puritanorum
 - Panicum dichotomiflorum var. puritanorum Svenson [SYNONYM VARIETY 9893:5QG4N nidx=null parent=4CDHS]
 + Panicum dichotomiflorum var. puritanorum Svenson [SYNONYM VARIETY 9902:BBL89 nidx=null parent=4CDHS]
Parabrachiella mugilis
 - Parabrachiella mugilis (Kabata, Raibaut & Ben Hassine, 1971) [SYNONYM SPECIES 9893:7XVDQ nidx=null parent=4CMY5]
 + Parabrachiella mugilis (Kabata, Raibaut & Ben Hassine, 1971) [ACCEPTED SPECIES 9902:4CMYX nidx=null]
Paradiplatys (Paradiplatys)
 - Paradiplatys (Paradiplatys) Zacher, 1910 [ACCEPTED SUBGENUS 9893:B6RMR nidx=null]
 + Paradiplatys (Paradiplatys) Zacher, 1910 [ACCEPTED SUBGENUS 9902:B8YTX nidx=null]
Paradrillia djocdjocartae
 - Paradrillia djocdjocartae (K. Martin, 1885) [ACCEPTED SPECIES 9893:B8TFF nidx=null]
 + Paradrillia djocdjocartae (K. Martin, 1884) [ACCEPTED SPECIES 9902:BDLDR nidx=null]
Paragamasellevans
 - Paragamasellevans [ACCEPTED GENUS 9893:63JR2 nidx=null]
 + Paragamasellevans Loots & Ryke, 1968 [ACCEPTED GENUS 9902:B8ZYQ nidx=null]
Parallelomma merzi
 - Parallelomma merzi Ozerov, 2008 [ACCEPTED SPECIES 9893:4CZRX nidx=null]
 + Parallelomma merzi Ozerov, 2009 [SYNONYM SPECIES 9902:B9VH9 nidx=null parent=BDN62]
Paranthrene asilipennis
 - Paranthrene asilipennis (Boisduval, 1829) [ACCEPTED SPECIES 9893:4D6KN nidx=null]
 + Paranthrene asilipennis (Boisduval, [1832] ) [ACCEPTED SPECIES 9902:BB26R nidx=null]
Paranthrene barbarossa
 - Paranthrene barbarossa de Freina, 1982 [SYNONYM SPECIES 9893:4D6KT nidx=null parent=959NV]
 + Paranthrene barbarossa de Freina, 1983 [SYNONYM SPECIES 9902:BC4QY nidx=null parent=BBFKV]
Paranthrene cyanopis
 - Paranthrene cyanopis Durrant, 1916 [ACCEPTED SPECIES 9893:762VL nidx=null]
 + Paranthrene cyanopis Durrant, 1915 [SYNONYM SPECIES 9902:BC4QZ nidx=null parent=BDLS3]
Paranthrene formosicola
 - Paranthrene formosicola Strand, 1915 [ACCEPTED SPECIES 9893:4D6LL nidx=null]
 + Paranthrene formosicola Strand, [1916] [SYNONYM SPECIES 9902:BC4R2 nidx=null parent=BB277]
Paranthrene heterodesma
 - Paranthrene heterodesma Diakonoff, 1967 [ACCEPTED SPECIES 9893:4D6LQ nidx=null]
 + Paranthrene heterodesma Diakonoff, [1968] [SYNONYM SPECIES 9902:BC4R3 nidx=null parent=BDLX7]
Paranthrene kara
 - Paranthrene kara de Freina, 1982 [SYNONYM SPECIES 9893:9BJ29 nidx=null parent=B74HR]
 + Paranthrene kara de Freina, 1983 [SYNONYM SPECIES 9902:BDBZ9 nidx=null parent=B74HR]
Paranthrene limpida
 - Paranthrene limpida Le Cerf, 1917 [ACCEPTED SPECIES 9893:4D6LZ nidx=null]
 + Paranthrene limpida Le Cerf, 1916 [SYNONYM SPECIES 9902:BC4R4 nidx=null parent=BDLKD]
Paranthrene pepsidiformis
 - Paranthrene pepsidiformis Hübner, 1925 [SYNONYM SPECIES 9893:4D6ML nidx=null parent=949P3]
 + Paranthrene pepsidiformis Hübner, [1827-1831] [SYNONYM SPECIES 9902:BC4R5 nidx=null parent=949P3]
Paranthrene pilamicola
 - Paranthrene pilamicola Strand, 1915 [ACCEPTED SPECIES 9893:4D6MM nidx=null]
 + Paranthrene pilamicola Strand, [1916] [SYNONYM SPECIES 9902:BC4R6 nidx=null parent=B9VXL]
Paranthrene poecilocephala
 - Paranthrene poecilocephala Diakonoff, 1967 [ACCEPTED SPECIES 9893:4D6MN nidx=null]
 + Paranthrene poecilocephala Diakonoff, [1968] [SYNONYM SPECIES 9902:BC4R7 nidx=null parent=BDLQ2]
Paranthrene tubercula
 - Paranthrene tubercula de Freina, 1982 [SYNONYM SPECIES 9893:4D6NJ nidx=null parent=959NV]
 + Paranthrene tubercula de Freina, 1983 [SYNONYM SPECIES 9902:BC4R8 nidx=null parent=BBFKV]
Paranthrene zoneiventris
 - Paranthrene zoneiventris Le Cerf, 1917 [ACCEPTED SPECIES 9893:4D6NN nidx=null]
 + Paranthrene zoneiventris Le Cerf, 1916 [SYNONYM SPECIES 9902:BC4R9 nidx=null parent=BDM43]
Pararhodacarus
 - Pararhodacarus [ACCEPTED GENUS 9893:6GKV nidx=null]
 + Pararhodacarus Jordaan, Loots & Theron, 1988 [ACCEPTED GENUS 9902:B8YVG nidx=null]
Pararyssota maxima
 - Pararyssota maxima (L. Pfeiffer, 1854) [ACCEPTED SPECIES 9893:7SM6L nidx=null]
 + Pararyssota maxima (Reeve, 1853) [ACCEPTED SPECIES 9902:BC4CY nidx=null]
Pararyssota maxima maxima
 - Pararyssota maxima maxima (L. Pfeiffer, 1854) [ACCEPTED SUBSPECIES 9893:7TZ6B nidx=null]
 + Pararyssota maxima maxima (Reeve, 1853) [ACCEPTED SUBSPECIES 9902:BCRJN nidx=null]
Parasitiphis
 - Parasitiphis [ACCEPTED GENUS 9893:6GTH nidx=null]
 + Parasitiphis Womersley, 1956 [ACCEPTED GENUS 9902:B8YVH nidx=null]
Parepismilia thurmanni
 - Parepismilia thurmanni (Koby, 1881) [ACCEPTED SPECIES 9893:864QK nidx=null]
 + Parepismilia thurmanni (Étallon, 1864) [ACCEPTED SPECIES 9902:BC4FK nidx=null]
Parmelia furfuracea var. olivetorina
 - Parmelia furfuracea var. olivetorina (Zopf) Zahlbr. [SYNONYM VARIETY 9893:B2PH7 nidx=null parent=4NN5H]
 + Parmelia furfuracea var. olivetorina (Zopf) Zahlbr. [SYNONYM VARIETY 9902:BDGNN nidx=null parent=4NN5H]
Parthenopoidea
 - Parthenopoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9893:7NFQB nidx=null]
 + Parthenopoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9902:B8WMZ nidx=null]
Pecten acuticosta
 - Pecten acuticosta F. A. Roemer, 1836 [SYNONYM SPECIES 9893:B6HBR nidx=null parent=7SVGK]
 + Pecten acuticosta Lamarck, 1809 [SYNONYM SPECIES 9902:BDKYV nidx=null parent=7SVGK]
Pelastoneurus bequarti
 - Pelastoneurus bequarti Van Duzee, 1933 [ACCEPTED SPECIES 9893:75ZDR nidx=null]
 + Pelastoneurus bequarti Robinson, 1970 [SYNONYM SPECIES 9902:B9VXS nidx=null parent=BDMFQ]
Peliosanthes griffithii var. breviracemosa
 - Peliosanthes griffithii var. breviracemosa Aver. & N.Tanaka [ACCEPTED VARIETY 9893:8XFKX nidx=null]
 + Peliosanthes griffithii var. breviracemosa Aver. & N.Tanaka [ACCEPTED VARIETY 9902:BBL8L nidx=null]
Peliosanthes macrophylla var. assamensis
 - Peliosanthes macrophylla var. assamensis N.Tanaka & D.Borah [ACCEPTED VARIETY 9893:9V7W9 nidx=null]
 + Peliosanthes macrophylla var. assamensis N.Tanaka & D.Borah [ACCEPTED VARIETY 9902:BBL8M nidx=null]
Peliosanthes teta subsp. humilis
 - Peliosanthes teta subsp. humilis (Andrews) Jessop ex Gandhi [ACCEPTED SUBSPECIES 9893:5K9HN nidx=null]
 + Peliosanthes teta subsp. humilis (Andrews) Jessop ex Gandhi [ACCEPTED SUBSPECIES 9902:BBJCV nidx=null]
Peltigera canina var. ulorrhiza
 - Peltigera canina var. ulorrhiza (Flörke) Schaer. [SYNONYM VARIETY 9893:B26K2 nidx=null parent=76F98]
 + Peltigera canina var. ulorrhiza (Flörke) Schaer. [SYNONYM VARIETY 9902:BDGNP nidx=null parent=76F98]
Peltigera elisabethae var. mauritzii
 - Peltigera elisabethae var. mauritzii (Gyeln.) J.C. Wei [SYNONYM VARIETY 9893:5QKGD nidx=null parent=76F9H]
 + Peltigera elisabethae var. mauritzii (Gyeln.) J.C. Wei [SYNONYM VARIETY 9902:BBL8R nidx=null parent=76F9H]
Peltigera horizontalis var. muscorum
 - Peltigera horizontalis var. muscorum Schaer. [SYNONYM VARIETY 9893:5QKGF nidx=null parent=76F7P]
 + Peltigera horizontalis var. muscorum Schaer. [SYNONYM VARIETY 9902:BBL8S nidx=null parent=76F7P]
Pemphigus (Pemphigus) groenlandicus
 - Pemphigus (Pemphigus) groenlandicus [ACCEPTED SPECIES 9893:76FGJ nidx=null]
 + Pemphigus (Pemphigus) groenlandicus [ACCEPTED SPECIES 9902:BB2QN nidx=null]
Pemphigus (Pemphigus) salicis
 - Pemphigus (Pemphigus) salicis [ACCEPTED SPECIES 9893:B7CQV nidx=null]
 + Pemphigus (Pemphigus) salicis [ACCEPTED SPECIES 9902:BC53P nidx=null]
Pennarhodeus
 - Pennarhodeus [ACCEPTED GENUS 9893:6KP8 nidx=null]
 + Pennarhodeus Karg, 2000 [ACCEPTED GENUS 9902:B8ZZ6 nidx=null]
Pepsis luteipenne
 - Pepsis luteipenne Fabricius, 1804 [SYNONYM SPECIES 9893:B8GHJ nidx=null parent=76H48]
 + Pepsis luteipenne Fabricius, 1804 [SYNONYM SPECIES 9902:BC598 nidx=null parent=76H48]
Periseius
 - Periseius [ACCEPTED GENUS 9893:6LF4 nidx=null]
 + Periseius Womersley, 1961 [ACCEPTED GENUS 9902:B8ZZ8 nidx=null]
 + Periseius Womersley, 1961 [SYNONYM SUBGENUS 9902:B8ZZ9 nidx=null parent=B8ZZ8]
Peronea albipunctana
 - Peronea albipunctana Stephens, 1834 [SYNONYM SPECIES 9893:4F7NG nidx=null parent=9CTT]
 + Peronea albipunctana Stephens, 1829 [SYNONYM SPECIES 9902:BC5CG nidx=null parent=9CTT]
Peronea albovittana
 - Peronea albovittana Stephens, 1834 [SYNONYM SPECIES 9893:4F7NQ nidx=null parent=9CTT]
 + Peronea albovittana Stephens, 1829 [SYNONYM SPECIES 9902:BC5CH nidx=null parent=9CTT]
Peronea brunneana
 - Peronea brunneana Stephens, 1834 [SYNONYM SPECIES 9893:4F7PC nidx=null parent=9CTT]
 + Peronea brunneana Stephens, 1829 [SYNONYM SPECIES 9902:BC5CJ nidx=null parent=9CTT]
Peronea centrovittana
 - Peronea centrovittana Stephens, 1834 [SYNONYM SPECIES 9893:4F7PK nidx=null parent=9CVL]
 + Peronea centrovittana Stephens, 1929 [AMBIGUOUS_SYNONYM SPECIES 9902:BC5CK nidx=null parent=9CVL]
Peronea consimilana
 - Peronea consimilana Stephens, 1834 [SYNONYM SPECIES 9893:4F7PT nidx=null parent=9CTT]
 + Peronea consimilana Stephens, 1829 [SYNONYM SPECIES 9902:BC5CL nidx=null parent=9CTT]
Peronea costimaculana
 - Peronea costimaculana Stephens, 1834 [SYNONYM SPECIES 9893:B4GCB nidx=null parent=9D2Z]
 + Peronea costimaculana Stephens, 1829 [SYNONYM SPECIES 9902:BC5CM nidx=null parent=9D2Z]
Peronea fulvocristana
 - Peronea fulvocristana Stephens, 1834 [SYNONYM SPECIES 9893:6V5NS nidx=null parent=9CTT]
 + Peronea fulvocristana Stephens, 1829 [SYNONYM SPECIES 9902:BC5CN nidx=null parent=9CTT]
Peronea fulvovittana
 - Peronea fulvovittana Stephens, 1834 [SYNONYM SPECIES 9893:4F7QH nidx=null parent=9CTT]
 + Peronea fulvovittana Stephens, 1829 [SYNONYM SPECIES 9902:BC5CP nidx=null parent=9CTT]
Peronea ramostriana
 - Peronea ramostriana Stephens, 1834 [SYNONYM SPECIES 9893:4F7SV nidx=null parent=9CVL]
 + Peronea ramostriana Stephens, 1829 [SYNONYM SPECIES 9902:BC5CS nidx=null parent=9CVL]
Peronea substriana
 - Peronea substriana Stephens, 1834 [SYNONYM SPECIES 9893:775NW nidx=null parent=9CTT]
 + Peronea substriana Stephens, 1829 [SYNONYM SPECIES 9902:BC5CT nidx=null parent=9CTT]
Peronea vittana
 - Peronea vittana Stephens, 1834 [SYNONYM SPECIES 9893:775BR nidx=null parent=9CTT]
 + Peronea vittana Stephens, 1829 [SYNONYM SPECIES 9902:BC5CV nidx=null parent=9CTT]
Peytonulus
 - Peytonulus [ACCEPTED SUBGENUS 9893:B6SJX nidx=null]
 - Peytonulus [ACCEPTED SUBGENUS 9893:B7ZGW nidx=null]
 + Peytonulus [ACCEPTED GENUS 9902:8YQVG nidx=null]
Peziza leporina var. onotica
 - Peziza leporina var. onotica (Pers.) Wünsche [SYNONYM VARIETY 9893:9ZKKT nidx=null parent=4B2VL]
 + Peziza leporina var. onotica (Pers.) Wünsche [SYNONYM VARIETY 9902:BDH38 nidx=null parent=4B2VL]
Phaeoclavulina flaccida var. fraceolens
 - Phaeoclavulina flaccida var. fraceolens Franchi & M. Marchetti [SYNONYM VARIETY 9893:B2PMT nidx=null parent=4FMPN]
 + Phaeoclavulina flaccida var. fraceolens Franchi & M. Marchetti [SYNONYM VARIETY 9902:BDH39 nidx=null parent=4FMPN]
Phaeopezia apiculata f. alba
 - Phaeopezia apiculata f. alba (Van Vooren & Moyne) Van Vooren [SYNONYM FORM 9893:B2RVF nidx=null parent=4FNQW]
 + Phaeopezia apiculata f. alba (Van Vooren & Moyne) Van Vooren [SYNONYM FORM 9902:BBLKF nidx=null parent=4FNQW]
Phaeotremella foliacea var. succinea
 - Phaeotremella foliacea var. succinea (Pers.) Lécuru [SYNONYM VARIETY 9893:5QMPW nidx=null parent=4FPWX]
 + Phaeotremella foliacea var. succinea (Pers.) Lécuru [SYNONYM VARIETY 9902:BBL8T nidx=null parent=4FPWX]
Phalangium parietinum
 - Phalangium parietinum De Geer, 1778 [SYNONYM SPECIES 9893:7Y4HQ nidx=null parent=7W5SG]
 + Phalangium parietinum DeGeer, 1778 [SYNONYM SPECIES 9902:BC5HV nidx=null parent=B8ZK9]
Phalaris arundinacea f. variegata
 - Phalaris arundinacea f. variegata (With.) Druce [SYNONYM FORM 9893:5STYV nidx=null parent=4FRDZ]
 + Phalaris arundinacea f. variegata (With.) Druce [SYNONYM FORM 9902:BBLKG nidx=null parent=4FRDZ]
Philippinophilus
 - Philippinophilus [PROVISIONALLY_ACCEPTED GENUS 9893:9HP4Q nidx=null]
 + Philippinophilus [ACCEPTED GENUS 9902:8ZC27 nidx=null]
Philoscia germanica
 - Philoscia germanica [SYNONYM SPECIES 9893:4GCX5 nidx=null parent=3TC8W]
 + Philoscia germanica Verhoeff, 1896 [SYNONYM SPECIES 9902:BC4W6 nidx=null parent=3TC8W]
Phlegmacium balteatum var. praestantoides
 - Phlegmacium balteatum var. praestantoides (Reumaux) Niskanen & Liimat. [SYNONYM VARIETY 9893:B2WLH nidx=null parent=9ZHS4]
 + Phlegmacium balteatum var. praestantoides (Reumaux) Niskanen & Liimat. [SYNONYM VARIETY 9902:BDH3B nidx=null parent=9ZHS4]
Phlegmacium clarobaltoides var. longispermum
 - Phlegmacium clarobaltoides var. longispermum (Reumaux) Niskanen & Liimat. [SYNONYM VARIETY 9893:B2WJZ nidx=null parent=B2ZZ6]
 + Phlegmacium clarobaltoides var. longispermum (Reumaux) Niskanen & Liimat. [SYNONYM VARIETY 9902:BDH3C nidx=null parent=B2ZZ6]
Phlegmacium olidoamarum var. valentinum
 - Phlegmacium olidoamarum var. valentinum (Mahiques & A. Favre) Niskanen & Liimat. [SYNONYM VARIETY 9893:B2WMN nidx=null parent=B2NQY]
 + Phlegmacium olidoamarum var. valentinum (Mahiques & A. Favre) Niskanen & Liimat. [SYNONYM VARIETY 9902:BDH3D nidx=null parent=B2NQY]
Phlyctenodes steinmanni
 - Phlyctenodes steinmanni Lőrenthey, 1901 [ACCEPTED SPECIES 9893:9F52M nidx=null]
 + Phlyctenodes steinmanni Lőrenthey, 1902 [ACCEPTED SPECIES 9902:BC4WT nidx=null]
Phlyctis argena f. erythrosora
 - Phlyctis argena f. erythrosora (Erichsen) Almb. [SYNONYM FORM 9893:7MWTB nidx=null parent=4GJPZ]
 + Phlyctis argena f. erythrosora (Erichsen) Almb. [SYNONYM FORM 9902:BBLKH nidx=null parent=4GJPZ]
Phoenicobius ceres
 - Phoenicobius ceres (L. Pfeiffer, 1854) [ACCEPTED SPECIES 9893:7SPJ6 nidx=null]
 + Phoenicobius ceres (Reeve, 1853) [ACCEPTED SPECIES 9902:BC4WV nidx=null]
Phrosinella kocaki
 - Phrosinella kocaki Verves & Khrokalo, 2016 [ACCEPTED SPECIES 9893:9HC8G nidx=null]
 + Phrosinella kocaki Verves & Khrokalo, 2017 [ACCEPTED SPECIES 9902:8GTR2 nidx=null]
Phrosinella sannio
 - Phrosinella sannio (Zetterstedt, 1838) [ACCEPTED SPECIES 9893:4GV9K nidx=null]
 + Phrosinella sannio (Zetterstedt, 1837) [ACCEPTED SPECIES 9902:B9XP8 nidx=null]
Phryxe erythrostoma
 - Phryxe erythrostoma (Hartig, 1837) [ACCEPTED SPECIES 9893:77DQK nidx=null]
 + Phryxe erythrostoma (Hartig, 1838) [ACCEPTED SPECIES 9902:B9XPB nidx=null]
Phyllopsora parvifolia var. fibrillifera
 - Phyllopsora parvifolia var. fibrillifera (Nyl.) Müll. Arg. [SYNONYM VARIETY 9893:5QPN9 nidx=null parent=6VG9H]
 + Phyllopsora parvifolia var. fibrillifera (Nyl.) Müll. Arg. [SYNONYM VARIETY 9902:BBL92 nidx=null parent=6VG9H]
Phyllostachys edulis f. bicolor
 - Phyllostachys edulis f. bicolor (Nakai) M.J.Lai & D.Y.Hong [SYNONYM FORM 9893:8XMG6 nidx=null parent=77FBJ]
 + Phyllostachys edulis f. bicolor (Nakai) M.J.Lai & D.Y.Hong [SYNONYM FORM 9902:BBLKJ nidx=null parent=77FBJ]
Phyllostachys nigra var. henonis
 - Phyllostachys nigra var. henonis (Mitford) Rendle [ACCEPTED VARIETY 9893:5QPPM nidx=null]
 + Phyllostachys nigra var. henonis (Mitford) Rendle [ACCEPTED VARIETY 9902:BBL93 nidx=null]
Physcia pulverulenta subsp. venusta
 - Physcia pulverulenta subsp. venusta (Ach.) Nyl. [SYNONYM SUBSPECIES 9893:B267C nidx=null parent=B2ZBY]
 + Physcia pulverulenta subsp. venusta (Ach.) Nyl. [SYNONYM SUBSPECIES 9902:BDFCS nidx=null parent=B2ZBY]
Physcia tenella subsp. marina
 - Physcia tenella subsp. marina (A. Nyl.) D. Hawksw. [SYNONYM SUBSPECIES 9893:7KMQW nidx=null parent=4HGPJ]
 + Physcia tenella subsp. marina (A. Nyl.) D. Hawksw. [SYNONYM SUBSPECIES 9902:BBJDM nidx=null parent=4HGPJ]
Physconia pulverulenta var. angustata
 - Physconia pulverulenta var. angustata (Hoffm.) Verseghy [SYNONYM VARIETY 9893:5QQ8T nidx=null parent=6VHWP]
 + Physconia pulverulenta var. angustata (Hoffm.) Verseghy [SYNONYM VARIETY 9902:BBL94 nidx=null parent=6VHWP]
Physoderma claytonianum var. sparrowii
 - Physoderma claytonianum var. sparrowii Savile & Parmelee [SYNONYM VARIETY 9893:5QQ95 nidx=null parent=4HHV8]
 + Physoderma claytonianum var. sparrowii Savile & Parmelee [SYNONYM VARIETY 9902:BBL95 nidx=null parent=4HHV8]
Phytotelmatocladius delarosai
 - Phytotelmatocladius delarosai Epler, 2010 [ACCEPTED SPECIES 9893:77JH7 nidx=null]
 + Phytotelmatocladius delarosai Epler, 2003 [ACCEPTED SPECIES 9902:B9YWX nidx=null]
Pilellus
 - Pilellus [ACCEPTED GENUS 9893:63MG4 nidx=null]
 + Pilellus Lee, 1970 [ACCEPTED GENUS 9902:B8YY3 nidx=null]
Pilumnoidea
 - Pilumnoidea Samouelle, 1819 [ACCEPTED SUPERFAMILY 9893:7NGW3 nidx=null]
 + Pilumnoidea Samouelle, 1819 [ACCEPTED SUPERFAMILY 9902:B8VFV nidx=null]
Pinnotheres mytilorum
 - Pinnotheres mytilorum (Leach, 1814) [SYNONYM SPECIES 9893:84G5T nidx=null parent=4HZ8P]
 + Pinnotheres mytilorum (Herbst, 1783) [SYNONYM SPECIES 9902:BC53Z nidx=null parent=4HZ8P]
Pinnotheroidea
 - Pinnotheroidea De Haan, 1833 [ACCEPTED SUPERFAMILY 9893:5HZ nidx=null]
 + Pinnotheroidea De Haan, 1833 [ACCEPTED SUPERFAMILY 9902:B8VFW nidx=null]
Placodium granulosum f. sorediata
 - Placodium granulosum f. sorediata (Vain.) Räsänen [SYNONYM FORM 9893:9ZL4X nidx=null parent=4TQT9]
 + Placodium granulosum f. sorediata (Vain.) Räsänen [SYNONYM FORM 9902:BDH3P nidx=null parent=4TQT9]
Placozoa
 - Placozoa [ACCEPTED PHYLUM 9893:5T nidx=null]
 + Placozoa Grell, 1971 [ACCEPTED PHYLUM 9902:B8V3M nidx=null]
Plagioptycha albersiana
 - Plagioptycha albersiana (L. Pfeiffer, 1851) [ACCEPTED SPECIES 9893:7SQLK nidx=null]
 + Plagioptycha albersiana (L. Pfeiffer, 1853) [ACCEPTED SPECIES 9902:BC5BX nidx=null]
Plagioptycha strumosa
 - Plagioptycha strumosa (L. Pfeiffer, 1854) [ACCEPTED SPECIES 9893:7SQLS nidx=null]
 + Plagioptycha strumosa (Reeve, 1852) [ACCEPTED SPECIES 9902:BB3VV nidx=null]
Plagiozopelma cordatum
 - Plagiozopelma cordatum (Meijere, 1913) [ACCEPTED SPECIES 9893:8DDLH nidx=null]
 + Plagiozopelma cordatum (Meijere, 1914) [ACCEPTED SPECIES 9902:B9YX9 nidx=null]
Plagiozopelma limbatifrons
 - Plagiozopelma limbatifrons (Meijere, 1913) [ACCEPTED SPECIES 9893:8DDMH nidx=null]
 + Plagiozopelma limbatifrons (Meijere, 1914) [ACCEPTED SPECIES 9902:B9YXB nidx=null]
Plagiozopelma rhopaloceras
 - Plagiozopelma rhopaloceras (Meijere, 1913) [ACCEPTED SPECIES 9893:8DDN9 nidx=null]
 + Plagiozopelma rhopaloceras (Meijere, 1914) [ACCEPTED SPECIES 9902:B9YXC nidx=null]
Planktonemertes agassizi
 - Planktonemertes agassizi ? [SYNONYM SPECIES 9893:B8GJX nidx=null parent=8549B]
 + Planktonemertes agassizi ? [SYNONYM SPECIES 9902:BC5CY nidx=null parent=8549B]
Platymetopius (Platymetopius)
 - Platymetopius (Platymetopius) Burmeister, 1838 [ACCEPTED SUBGENUS 9893:8RH4F nidx=null]
 + Platymetopius (Platymetopius) Burmeister, 1838 [ACCEPTED SUBGENUS 9902:B8YYQ nidx=null]
Platypalpus tectifrons
 - Platypalpus tectifrons (Becker, 1908) [ACCEPTED SPECIES 9893:4JVCS nidx=null]
 + Platypalpus tectifrons (Becker, 1907) [ACCEPTED SPECIES 9902:B9Z58 nidx=null]
Pleurophyllidia marginata
 - Pleurophyllidia marginata Örsted & Mörch, 1859 [SYNONYM SPECIES 9893:9G5W2 nidx=null parent=9G4ZR]
 + Pleurophyllidia marginata Mörch, 1859 [SYNONYM SPECIES 9902:4KC93 nidx=null parent=3M5DX]
Pleurotoma (Drillia) djocdjocartae
 - Pleurotoma (Drillia) djocdjocartae K. Martin, 1885 [SYNONYM SPECIES 9893:B8SKG nidx=null parent=B8TFF]
 + Pleurotoma (Drillia) djocdjocartae K. Martin, 1884 [SYNONYM SPECIES 9902:BDLDP nidx=null parent=BDLDR]
Poa bulbosa f. vivipara
 - Poa bulbosa f. vivipara (Koeler) Maire [SYNONYM FORM 9893:8X643 nidx=null parent=4KLFK]
 + Poa bulbosa f. vivipara (Koeler) Maire [SYNONYM FORM 9902:BBLKK nidx=null parent=4KLFK]
Poa glauca subsp. rupicola
 - Poa glauca subsp. rupicola (Nash) W.A.Weber [ACCEPTED SUBSPECIES 9893:5KJCR nidx=null]
 + Poa glauca subsp. rupicola (Nash) W.A.Weber [ACCEPTED SUBSPECIES 9902:BBJF3 nidx=null]
Poa secunda subsp. juncifolia
 - Poa secunda subsp. juncifolia (Scribn.) Soreng [ACCEPTED SUBSPECIES 9893:5KJFH nidx=null]
 + Poa secunda subsp. juncifolia (Scribn.) Soreng [ACCEPTED SUBSPECIES 9902:BBJF4 nidx=null]
Podonotogamasellus
 - Podonotogamasellus [ACCEPTED GENUS 9893:63NKB nidx=null]
 + Podonotogamasellus Loots & Ryke, 1965 [ACCEPTED GENUS 9902:B922K nidx=null]
 + Podonotogamasellus Loots & Ryke, 1965 [SYNONYM SUBGENUS 9902:B922L nidx=null parent=B922K]
Podosesia comes
 - Podosesia comes Heinrich, 1920 [SYNONYM SPECIES 9893:4KRBW nidx=null parent=5XBTD]
 + Podosesia comes Heinrich, 1921 [SYNONYM SPECIES 9902:BC7Y7 nidx=null parent=5XBTD]
Poecilimon jonicus
 - Poecilimon jonicus Fieber, 1853 [AMBIGUOUS_SYNONYM SPECIES 9893:B86XV nidx=null parent=8QJPH]
 + Poecilimon jonicus (Fieber, 1853) [AMBIGUOUS_SYNONYM SPECIES 9902:BB4XQ nidx=null parent=7KNGG]
 + Poecilimon jonicus Fieber, 1853 [AMBIGUOUS_SYNONYM SPECIES 9902:BB4XR nidx=null parent=8QJPH]
Poecilochroma (Epinotia) semifuscana
 - Poecilochroma (Epinotia) semifuscana Stephens, 1834 [SYNONYM SPECIES 9893:B4HBF nidx=null parent=6G5RP]
 + Poecilochroma (Epinotia) semifuscana Stephens, 1829 [SYNONYM SPECIES 9902:BC7Z2 nidx=null parent=6G5RP]
Poecilochroma semifuscana
 - Poecilochroma semifuscana Stephens, 1834 [SYNONYM SPECIES 9893:93B5H nidx=null parent=6G5RP]
 + Poecilochroma semifuscana Stephens, 1829 [SYNONYM SPECIES 9902:6VT4H nidx=null parent=6G5RP]
Polybius mcleayi
 - Polybius mcleayi (Bernard, 1946) [SYNONYM SPECIES 9893:4L297 nidx=null parent=5C4GR]
 + Polybius mcleayi (Barnard, 1946) [SYNONYM SPECIES 9902:BC62Z nidx=null parent=5C4GR]
Polycauliona luteominia var. bolanderi
 - Polycauliona luteominia var. bolanderi (Tuck.) Arup, Frödén & Søchting [SYNONYM VARIETY 9893:7MGNR nidx=null parent=57D63]
 + Polycauliona luteominia var. bolanderi (Tuck.) Arup, Frödén & Søchting [SYNONYM VARIETY 9902:BBL9K nidx=null parent=57D63]
Polychaeta
 - Polychaeta [ACCEPTED CLASS 9893:GS nidx=null]
 + Polychaeta Grube, 1850 [ACCEPTED CLASS 9902:B8TXG nidx=null]
Polycystina
 - Polycystina [ACCEPTED CLASS 9893:GT nidx=null]
 + Polycystina Ehrenberg, 1838 [ACCEPTED CLASS 9902:B8VDR nidx=null]
Polygonatum arisanense var. chingshuishanianum
 - Polygonatum arisanense var. chingshuishanianum (S.S.Ying) C.T.Chao & Y.H.Tseng [ACCEPTED VARIETY 9893:8YH4W nidx=null]
 + Polygonatum arisanense var. chingshuishanianum (S.S.Ying) C.T.Chao & Y.H.Tseng [ACCEPTED VARIETY 9902:BBL9N nidx=null]
Polygonatum arisanense var. formosanum
 - Polygonatum arisanense var. formosanum (Hayata) C.T.Chao & Y.H.Tseng [ACCEPTED VARIETY 9893:8YH4X nidx=null]
 + Polygonatum arisanense var. formosanum (Hayata) C.T.Chao & Y.H.Tseng [ACCEPTED VARIETY 9902:BBL9P nidx=null]
Polygonatum biflorum var. commutatum
 - Polygonatum biflorum var. commutatum (Schult. & Schult.f.) Morong [SYNONYM VARIETY 9893:5QV5K nidx=null parent=4L8R6]
 + Polygonatum biflorum var. commutatum (Schult. & Schult.f.) Morong [SYNONYM VARIETY 9902:BBL9Q nidx=null parent=4L8R6]
Polygonatum falcatum var. hyugaense
 - Polygonatum falcatum var. hyugaense Hiyama [ACCEPTED VARIETY 9893:5QV68 nidx=null]
 + Polygonatum falcatum var. hyugaense Hiyama [ACCEPTED VARIETY 9902:BBL9R nidx=null]
Polygonatum odoratum var. maximowiczii
 - Polygonatum odoratum var. maximowiczii (F.Schmidt) Koidz. [ACCEPTED VARIETY 9893:5QV75 nidx=null]
 + Polygonatum odoratum var. maximowiczii (F.Schmidt) Koidz. [ACCEPTED VARIETY 9902:BBL9S nidx=null]
Polygonatum odoratum var. pluriflorum
 - Polygonatum odoratum var. pluriflorum (Miq.) Ohwi [ACCEPTED VARIETY 9893:5QV77 nidx=null]
 + Polygonatum odoratum var. pluriflorum (Miq.) Ohwi [ACCEPTED VARIETY 9902:BBL9T nidx=null]
Polygonatum odoratum var. thunbergii
 - Polygonatum odoratum var. thunbergii (C.Morren & Decne.) H.Hara [ACCEPTED VARIETY 9893:5QV78 nidx=null]
 + Polygonatum odoratum var. thunbergii (C.Morren & Decne.) H.Hara [ACCEPTED VARIETY 9902:BBL9V nidx=null]
Pomerantziidae
 - Pomerantziidae [ACCEPTED FAMILY 9893:627L6 nidx=null]
 + Pomerantziidae Baker, 1949 [ACCEPTED FAMILY 9902:B8WXC nidx=null]
Pomerantzioidea
 - Pomerantzioidea [ACCEPTED SUPERFAMILY 9893:5JW nidx=null]
 + Pomerantzioidea Baker, 1949 [ACCEPTED SUPERFAMILY 9902:B8WN2 nidx=null]
Porcellionides extinctus
 - Porcellionides extinctus [SYNONYM SPECIES 9893:4LWJ2 nidx=null parent=4LW74]
 + Porcellionides extinctus (Verhoeff, 1923) [SYNONYM SPECIES 9902:BC67W nidx=null parent=BDPQS]
Poria xantha f. crassa
 - Poria xantha f. crassa (P. Karst.) D.V. Baxter [SYNONYM FORM 9893:9ZN3J nidx=null parent=4RT4M]
 + Poria xantha f. crassa (P. Karst.) D.V. Baxter [SYNONYM FORM 9902:BDGS2 nidx=null parent=4RT4M]
Porifera
 - Porifera [ACCEPTED PHYLUM 9893:P2R nidx=null]
 + Porifera Grant, 1836 [ACCEPTED PHYLUM 9902:B8TXQ nidx=null]
Poropodalius
 - Poropodalius [ACCEPTED GENUS 9893:6429L nidx=null]
 + Poropodalius Karg, 2000 [ACCEPTED GENUS 9902:B922P nidx=null]
Porpidia albocaerulescens var. polycarpiza
 - Porpidia albocaerulescens var. polycarpiza (Vain.) Rambold & Hertel [SYNONYM VARIETY 9893:5QWVK nidx=null parent=4LZDN]
 + Porpidia albocaerulescens var. polycarpiza (Vain.) Rambold & Hertel [SYNONYM VARIETY 9902:BBLB3 nidx=null parent=4LZDN]
Porpolomopsis calyptriformis f. nivea
 - Porpolomopsis calyptriformis f. nivea (Cooke) Lécuru [SYNONYM FORM 9893:5SVZZ nidx=null parent=4LZH4]
 + Porpolomopsis calyptriformis f. nivea (Cooke) Lécuru [SYNONYM FORM 9902:BBLKL nidx=null parent=4LZH4]
Portumnus (Platyonychus) nasutus
 - Portumnus (Platyonychus) nasutus Latreille, 1828 [SYNONYM SPECIES 9893:9934L nidx=null parent=5C4GQ]
 + Portumnus (Platyonychus) nasutus Latreille, 1825 [SYNONYM SPECIES 9902:BC68P nidx=null parent=5C4GQ]
Portunoidea
 - Portunoidea Rafinesque, 1815 [ACCEPTED SUPERFAMILY 9893:7NFQW nidx=null]
 + Portunoidea Rafinesque, 1815 [ACCEPTED SUPERFAMILY 9902:B8VFX nidx=null]
Potamia
 - Potamia [PROVISIONALLY_ACCEPTED GENUS 9893:9JH7S nidx=null]
 + Potamia Latreille, 1831 [SYNONYM GENUS 9902:B8Z29 nidx=null parent=7PHPX]
Potamoidea
 - Potamoidea Ortmann, 1896 [ACCEPTED SUPERFAMILY 9893:7NFQX nidx=null]
 + Potamoidea Ortmann, 1896 [ACCEPTED SUPERFAMILY 9902:B8VFY nidx=null]
Potamon (Centropotamon) hueceste armenicum
 - Potamon (Centropotamon) hueceste armenicum Pretzmann, 1983 [SYNONYM SUBSPECIES 9893:5KM73 nidx=null parent=4M4FT]
 + Potamon (Centropotamon) hueceste armenicum (Pretzmann, 1962) [SYNONYM SUBSPECIES 9902:BCRKX nidx=null parent=4M4FT]
Potamon (Pontipotamon) ibericum
 - Potamon (Pontipotamon) ibericum (Bieberstein, 1808) [SYNONYM SPECIES 9893:4M49Q nidx=null parent=6VVN5]
 + Potamon (Pontipotamon) ibericum (Marschall de Bieberstein, 1809) [SYNONYM SPECIES 9902:BB5GK nidx=null parent=6VVN5]
Potamon (Pontipotamon) ibericum tauricum
 - Potamon (Pontipotamon) ibericum tauricum [SYNONYM SUBSPECIES 9893:7KMWN nidx=null parent=6VVN5]
 + Potamon (Pontipotamon) ibericum tauricum (Czerniavsky, 1884) [SYNONYM SUBSPECIES 9902:BCRL3 nidx=null parent=6VVN5]
Priapulida
 - Priapulida [ACCEPTED PHYLUM 9893:GZ nidx=null]
 + Priapulida Théel, 1906 [ACCEPTED PHYLUM 9902:B8VDS nidx=null]
Probolium calcaratum
 - Probolium calcaratum Sars, 1966 [SYNONYM SPECIES 9893:4MLYQ nidx=null parent=77Y7B]
 + Probolium calcaratum (G.O. Sars, 1883) [SYNONYM SPECIES 9902:BC6RH nidx=null parent=77Y7B]
Probolium gregarium
 - Probolium gregarium Sars, 1967 [SYNONYM SPECIES 9893:4MLYR nidx=null parent=4MLZJ]
 + Probolium gregarium (G.O. Sars, 1883) [SYNONYM SPECIES 9902:BC6RJ nidx=null parent=4MLZJ]
Proboloides gregarius
 - Proboloides gregarius (Sars, 1892) [SYNONYM SPECIES 9893:4MLZK nidx=null parent=4MLZJ]
 + Proboloides gregarius (G.O. Sars, 1883) [SYNONYM SPECIES 9902:BC6RK nidx=null parent=4MLZJ]
Prociphilus (Prociphilus) piniradius
 - Prociphilus (Prociphilus) piniradius [ACCEPTED SPECIES 9893:B7LYW nidx=null]
 + Prociphilus (Prociphilus) piniradius [ACCEPTED SPECIES 9902:BDCFG nidx=null]
Procopius granulosus helluo
 - Procopius granulosus helluo Simon, 1909 [ACCEPTED SUBSPECIES 9893:94294 nidx=null]
 + Procopius granulosus helluo Simon, 1909 [ACCEPTED SUBSPECIES 9902:BBJG8 nidx=null]
Proepipona rhodesiensis
 - Proepipona rhodesiensis (Giordani Soika, 1941) [ACCEPTED SPECIES 9893:4MQNY nidx=null]
 + Proepipona rhodesiensis (Giordani Soika, 1941) [ACCEPTED SPECIES 9902:B9LT8 nidx=null]
Promiltogramma
 - Promiltogramma [PROVISIONALLY_ACCEPTED GENUS 9893:9HYPW nidx=null]
 + Promiltogramma [ACCEPTED GENUS 9902:8ZW6T nidx=null]
Protogamasellopsis
 - Protogamasellopsis [ACCEPTED GENUS 9893:6XQ4 nidx=null]
 + Protogamasellopsis Evans & Purvis, 1987 [ACCEPTED GENUS 9902:B922Y nidx=null]
Protoparmeliopsis muralis var. dubyi
 - Protoparmeliopsis muralis var. dubyi (Müll. Arg.) Hafellner & Türk [SYNONYM VARIETY 9893:5QYGD nidx=null parent=4N6KB]
 + Protoparmeliopsis muralis var. dubyi (Müll. Arg.) Hafellner & Türk [SYNONYM VARIETY 9902:BBLB5 nidx=null parent=4N6KB]
Prunus spinosa var. coaetanea
 - Prunus spinosa var. coaetanea (Wimm. & Grab.) Asch. & Graebn. [AMBIGUOUS_SYNONYM VARIETY 9893:B5JW3 nidx=null parent=7KNZ9]
 + Prunus spinosa var. coaetanea Wimm. & Grab. [AMBIGUOUS_SYNONYM VARIETY 9902:BDDSW nidx=null parent=7KNZ9]
 + Prunus spinosa var. coaetanea (Wimm. & Grab.) Asch. & Graebn. [AMBIGUOUS_SYNONYM VARIETY 9902:BDDSX nidx=null parent=7KNZ9]
Psammotettix scutulifer
 - Psammotettix scutulifer Wagner, 1939 [SYNONYM SPECIES 9893:B8HD4 nidx=null parent=4ND9H]
 + Psammotettix scutulifer Wagner, 1939 [SYNONYM SPECIES 9902:BCDY9 nidx=null parent=4ND9H]
Pseudacteon borgmeieri
 - Pseudacteon borgmeieri Schmitz, 1923 [ACCEPTED SPECIES 9893:6WCX7 nidx=null]
 + Pseudacteon borgmeieri Bogmeier [ACCEPTED SPECIES 9902:B9ZD9 nidx=null]
Pseudalcathoe chatanayi
 - Pseudalcathoe chatanayi Le Cerf, 1917 [ACCEPTED SPECIES 9893:4NJGM nidx=null]
 + Pseudalcathoe chatanayi Le Cerf, 1916 [ACCEPTED SPECIES 9902:BCDY8 nidx=null]
Pseudevernia furfuracea var. ceratea
 - Pseudevernia furfuracea var. ceratea (Ach.) D. Hawksw. [SYNONYM VARIETY 9893:5QZ3G nidx=null parent=4NN5H]
 + Pseudevernia furfuracea var. ceratea (Ach.) D. Hawksw. [SYNONYM VARIETY 9902:BBLB8 nidx=null parent=4NN5H]
Pseudocoenosia solitaria
 - Pseudocoenosia solitaria (Zetterstedt, 1837) [ACCEPTED SPECIES 9893:78F66 nidx=null]
 + Pseudocoenosia solitaria (Zetterstedt, 1838) [ACCEPTED SPECIES 9902:B9ZJ3 nidx=null]
Pseudocyphellaria crocata f. citrina
 - Pseudocyphellaria crocata f. citrina (Gyeln.) H. Magn. [SYNONYM FORM 9893:9ZL54 nidx=null parent=4NVHH]
 + Pseudocyphellaria crocata f. citrina (Gyeln.) H. Magn. [SYNONYM FORM 9902:BDH3Q nidx=null parent=4NVHH]
Pseudomeristomerinx nigricornis
 - Pseudomeristomerinx nigricornis Hollis, 1962 [ACCEPTED SPECIES 9893:4P2ZB nidx=null]
 + Pseudomeristomerinx nigricornis Hollis, 1963 [ACCEPTED SPECIES 9902:B9ZJ6 nidx=null]
Pseudopyrenula eluteriae var. sprengelii
 - Pseudopyrenula eluteriae var. sprengelii (Ach.) Vain. [SYNONYM VARIETY 9893:9ZKR3 nidx=null parent=7CXQW]
 + Pseudopyrenula eluteriae var. sprengelii (Ach.) Vain. [SYNONYM VARIETY 9902:BDH3F nidx=null parent=7CXQW]
Pseudotomia trigonana
 - Pseudotomia trigonana Stephens, 1834 [SYNONYM SPECIES 9893:B4JC9 nidx=null parent=4C8MF]
 + Pseudotomia trigonana Stephens, 1829 [SYNONYM SPECIES 9902:4PDSB nidx=null parent=4C8MF]
Psilopus cinctitarsis
 - Psilopus cinctitarsis Meijere, 1913 [SYNONYM SPECIES 9893:9HCMJ nidx=null parent=8BHN2]
 + Psilopus cinctitarsis Meijere, 1914 [SYNONYM SPECIES 9902:B9ZJL nidx=null parent=B9NDR]
Psilopus cordatus
 - Psilopus cordatus Meijere, 1913 [SYNONYM SPECIES 9893:8DJR6 nidx=null parent=8DDLH]
 + Psilopus cordatus Meijere, 1914 [SYNONYM SPECIES 9902:B9ZJM nidx=null parent=B9YX9]
Psilopus gracilitarse
 - Psilopus gracilitarse Meijere, 1913 [SYNONYM SPECIES 9893:8DJSM nidx=null parent=89Y5R]
 + Psilopus gracilitarse Meijere, 1914 [SYNONYM SPECIES 9902:B9ZJN nidx=null parent=B99JX]
Psilopus limbatifrons
 - Psilopus limbatifrons Meijere, 1913 [SYNONYM SPECIES 9893:8DJTC nidx=null parent=8DDMH]
 + Psilopus limbatifrons Meijere, 1914 [SYNONYM SPECIES 9902:B9ZJP nidx=null parent=B9YXB]
Psilopus rhopaloceras
 - Psilopus rhopaloceras Meijere, 1913 [SYNONYM SPECIES 9893:8DJW7 nidx=null parent=8DDN9]
 + Psilopus rhopaloceras Meijere, 1914 [SYNONYM SPECIES 9902:B9ZJQ nidx=null parent=B9YXC]
Psilopus seticoxa
 - Psilopus seticoxa Meijere, 1913 [SYNONYM SPECIES 9893:8DJWJ nidx=null parent=89Y7T]
 + Psilopus seticoxa Meijere, 1914 [SYNONYM SPECIES 9902:B9ZJR nidx=null parent=B99JZ]
Psopheticus crepitans
 - Psopheticus crepitans Wood-Mason, 1891 [SYNONYM SPECIES 9893:9D6X6 nidx=null parent=4PLBP]
 + Psopheticus crepitans Anonymous, 1891 [SYNONYM SPECIES 9902:4PLBG nidx=null parent=4PLBP]
Pterocomma pilosum
 - Pterocomma pilosum Buckton, 1879 [ACCEPTED SPECIES 9893:4PW7C nidx=null]
 + Pterocomma pilosum Buckton, 1879 [ACCEPTED SPECIES 9902:BB8ZY nidx=null]
Puccinia caricina var. ribis-pendulae
 - Puccinia caricina var. ribis-pendulae (Hasler) D.M. Hend. [SYNONYM VARIETY 9893:5R2JJ nidx=null parent=4QCM8]
 + Puccinia caricina var. ribis-pendulae (Hasler) D.M. Hend. [SYNONYM VARIETY 9902:BBLCB nidx=null parent=4QCM8]
Punctacteon fabreanus
 - Punctacteon fabreanus (Crosse, 1874) [ACCEPTED SPECIES 9893:4QHMQ nidx=null]
 + Punctacteon fabreanus (Crosse, 1873) [ACCEPTED SPECIES 9902:BC843 nidx=null]
Punctella
 - Punctella Zhong Hua, 1978 [ACCEPTED GENUS 9893:B6DCZ nidx=null]
 + Punctella H. Zhong, 1978 [ACCEPTED GENUS 9902:BDKXZ nidx=null]
Punctella maidipigensis
 - Punctella maidipigensis Zhong Hua, 1978 [ACCEPTED SPECIES 9893:B6GJX nidx=null]
 + Punctella maidipigensis H. Zhong, 1978 [ACCEPTED SPECIES 9902:BDKYH nidx=null]
Pupa secale var. gracilior
 - Pupa secale var. gracilior Krenglinger, 1870 [SYNONYM VARIETY 9893:8H9L3 nidx=null parent=8K9H]
 + Pupa secale var. gracilior Kreglinger, 1870 [SYNONYM VARIETY 9902:BCV8Q nidx=null parent=8K9H]
Pupa turrita
 - Pupa turrita Anton, 1839 [SYNONYM SPECIES 9893:7SWQR nidx=null parent=7QQM5]
 + Pupa turrita (Anton, 1838) [SYNONYM SPECIES 9902:BC89C nidx=null parent=7QQM5]
Pycnogonida
 - Pycnogonida [ACCEPTED CLASS 9893:H8 nidx=null]
 + Pycnogonida Latreille, 1810 [ACCEPTED CLASS 9902:B8V3Y nidx=null]
Pyelomyia annaluta
 - Pyelomyia annaluta Kertész, 1914 [SYNONYM SPECIES 9893:792P5 nidx=null parent=38V9G]
 + Pyelomyia annaluta Kertész, 1916 [SYNONYM SPECIES 9902:B9ZLL nidx=null parent=38V9G]
Pyriphis
 - Pyriphis [ACCEPTED GENUS 9893:7645 nidx=null]
 + Pyriphis Lee, 1970 [ACCEPTED GENUS 9902:B923D nidx=null]
Pyropteron balkis
 - Pyropteron balkis Le Cerf, 1938 [ACCEPTED SPECIES 9893:4QVC5 nidx=null]
 + Pyropteron balkis Le Cerf, 1937 [SYNONYM SPECIES 9902:BCGK9 nidx=null parent=B972R]
Pyropteron major
 - Pyropteron major Rothschild, 1926 [SYNONYM SPECIES 9893:986VL nidx=null parent=TKVY]
 + Pyropteron major Rothschild, 1925 [SYNONYM SPECIES 9902:BDCJG nidx=null parent=B98Z2]
Pyropteron minianiformis
 - Pyropteron minianiformis (Freyer, 1842) [ACCEPTED SPECIES 9893:947YN nidx=null]
 + Pyropteron minianiformis (Freyer, 1843) [ACCEPTED SPECIES 9902:BBB3W nidx=null]
Queenslandolaelaps
 - Queenslandolaelaps [ACCEPTED GENUS 9893:76GS nidx=null]
 + Queenslandolaelaps Womersley, 1956 [ACCEPTED GENUS 9902:B923F nidx=null]
Ramalina dilacerata var. alba
 - Ramalina dilacerata var. alba C. Knight [SYNONYM VARIETY 9893:5R4Y4 nidx=null parent=4RBGH]
 + Ramalina dilacerata var. alba C. Knight [SYNONYM VARIETY 9902:BBLCJ nidx=null parent=4RBGH]
Ramaria formosa f. neoformosa
 - Ramaria formosa f. neoformosa (R.H. Petersen) Franchi & M. Marchetti [SYNONYM FORM 9893:9ZL56 nidx=null parent=4RBQN]
 + Ramaria formosa f. neoformosa (R.H. Petersen) Franchi & M. Marchetti [SYNONYM FORM 9902:BDH3R nidx=null parent=4RBQN]
Ramaria pallida f. lactea
 - Ramaria pallida f. lactea Franchi & M. Marchetti [SYNONYM FORM 9893:9ZL57 nidx=null parent=4RBTM]
 + Ramaria pallida f. lactea Franchi & M. Marchetti [SYNONYM FORM 9902:BDH3S nidx=null parent=4RBTM]
Ramaria schildii f. griseoavellanea
 - Ramaria schildii f. griseoavellanea E. Campo, Franchi & M. Marchetti [SYNONYM FORM 9893:9ZL58 nidx=null parent=4RBVK]
 + Ramaria schildii f. griseoavellanea E. Campo, Franchi & M. Marchetti [SYNONYM FORM 9902:BDH3T nidx=null parent=4RBVK]
Ramaria stricta f. sambucina
 - Ramaria stricta f. sambucina Franchi & M. Marchetti [SYNONYM FORM 9893:9ZL59 nidx=null parent=4RBVZ]
 + Ramaria stricta f. sambucina Franchi & M. Marchetti [SYNONYM FORM 9902:BDH3V nidx=null parent=4RBVZ]
Ramsdenia articulata
 - Ramsdenia articulata (Aguayo, 1944) [ACCEPTED SPECIES 9893:86YNL nidx=null]
 + Ramsdenia articulata [sic] [SYNONYM SPECIES 9902:BCDLV nidx=null parent=BDQ8T]
Ranella chemnitzii
 - Ranella chemnitzii Küster, 1871 [SYNONYM SPECIES 9893:7SZD6 nidx=null parent=6L7GM]
 + Ranella chemnitzii Küster, 1870 [SYNONYM SPECIES 9902:BCDLZ nidx=null parent=6L7GM]
Ranella reticularis
 - Ranella reticularis (Linnaeus, 1758) sensu Deshayes, 1839 [SYNONYM SPECIES 9893:7SZDX nidx=null parent=4RF52]
 + Ranella reticularis (Linnaeus, 1758) [SYNONYM SPECIES 9902:4RF5F nidx=null parent=4RF52]
Ranella saggita
 - Ranella saggita Küster, 1871 [SYNONYM SPECIES 9893:7SZF3 nidx=null parent=6L7GM]
 + Ranella saggita Küster, 1870 [SYNONYM SPECIES 9902:BCDM3 nidx=null parent=6L7GM]
Ranella spinosa var. granosa
 - Ranella spinosa var. granosa K. Martin, 1884 [SYNONYM VARIETY 9893:7V995 nidx=null parent=7QF4G]
 + Ranella spinosa var. granosa K. Martin, 1883 [SYNONYM VARIETY 9902:BCV8Z nidx=null parent=7QF4G]
Raninoidea
 - Raninoidea De Haan, 1839 [ACCEPTED SUPERFAMILY 9893:7NFR4 nidx=null]
 + Raninoidea De Haan, 1839 [ACCEPTED SUPERFAMILY 9902:B8WN4 nidx=null]
Raymondia
 - Raymondia [ACCEPTED SUBGENUS 9893:87KB6 nidx=null]
 + Raymondia Campos, 2002 [SYNONYM GENUS 9902:B8VG9 nidx=null parent=7PXF7]
Recilia (Insulanus)
 - Recilia (Insulanus) Linnavuori, 1960 [SYNONYM INFRAGENERIC_NAME 9893:B829V nidx=null parent=8R5HB]
 + Recilia (Insulanus) Linnavuori, 1960 [SYNONYM INFRAGENERIC_NAME 9902:B93V4 nidx=null parent=8R5HB]
Remipedia
 - Remipedia [ACCEPTED CLASS 9893:HC nidx=null]
 + Remipedia Yager, 1981 [ACCEPTED CLASS 9902:B8VDT nidx=null]
Retroplumoidea
 - Retroplumoidea Gill, 1894 [ACCEPTED SUPERFAMILY 9893:7NFR5 nidx=null]
 + Retroplumoidea Gill, 1894 [ACCEPTED SUPERFAMILY 9902:B8WN5 nidx=null]
Rhabdomastix (Lurdia)
 - Rhabdomastix (Lurdia) Stary, 2003 [ACCEPTED SUBGENUS 9893:8GNFY nidx=null]
 + Rhabdomastix (Lurdia) Stary, 2003 [ACCEPTED SUBGENUS 9902:B8ZPQ nidx=null]
Rhaphium brevilamellatum
 - Rhaphium brevilamellatum Van Duzee, 1926 [ACCEPTED SPECIES 9893:6WTY2 nidx=null]
 + Rhaphium brevilamellatum Curran, 1926 [ACCEPTED SPECIES 9902:BB27G nidx=null]
Rhipidigorgia engelmanni
 - Rhipidigorgia engelmanni Horn, 1861 [SYNONYM SPECIES 9893:874WN nidx=null parent=85W9X]
 + Rhipidigorgia engelmanni Horn, 1860 [SYNONYM SPECIES 9902:BCDVZ nidx=null parent=BC3XW]
Rhipidura
 - Rhipidura Philippi, 1860 [SYNONYM GENUS 9893:92LVS nidx=null parent=92NL5]
 + Rhipidura Philippi, 1859 [SYNONYM GENUS 9902:B8VXG nidx=null parent=924NF]
Rhipidura aurora
 - Rhipidura aurora Philippi, 1860 [SYNONYM SPECIES 9893:987PC nidx=null parent=53TDT]
 + Rhipidura aurora Philippi, 1859 [SYNONYM SPECIES 9902:BDCLG nidx=null parent=B984D]
Rhizocarpon disporum var. montagnei
 - Rhizocarpon disporum var. montagnei (Flot. ex Körb.) Zahlbr. [SYNONYM VARIETY 9893:5R6LR nidx=null parent=4SC4R]
 + Rhizocarpon disporum var. montagnei (Flot. ex Körb.) Zahlbr. [SYNONYM VARIETY 9902:BBLCK nidx=null parent=4SC4R]
Rhizocarpon superficiale subsp. boreale
 - Rhizocarpon superficiale subsp. boreale Runemark [SYNONYM SUBSPECIES 9893:5KWP3 nidx=null parent=4SC6S]
 + Rhizocarpon superficiale subsp. boreale Runemark [SYNONYM SUBSPECIES 9902:BBJHG nidx=null parent=4SC6S]
Rhizoplaca haydenii subsp. arbuscula
 - Rhizoplaca haydenii subsp. arbuscula Rosentr. [SYNONYM SUBSPECIES 9893:5KWPH nidx=null parent=9ZF8F]
 + Rhizoplaca haydenii subsp. arbuscula Rosentr. [SYNONYM SUBSPECIES 9902:BBJHH nidx=null parent=9ZF8F]
Rhizoplaca melanophthalma subsp. cerebriformis
 - Rhizoplaca melanophthalma subsp. cerebriformis Rosentr. & B.D. Ryan [SYNONYM SUBSPECIES 9893:5KWPJ nidx=null parent=4SD47]
 + Rhizoplaca melanophthalma subsp. cerebriformis Rosentr. & B.D. Ryan [SYNONYM SUBSPECIES 9902:BBJHJ nidx=null parent=4SD47]
Rhizoplaca melanophthalma subsp. crispa
 - Rhizoplaca melanophthalma subsp. crispa Rosentr. & B.D. Ryan [SYNONYM SUBSPECIES 9893:5KWPK nidx=null parent=4SD47]
 + Rhizoplaca melanophthalma subsp. crispa Rosentr. & B.D. Ryan [SYNONYM SUBSPECIES 9902:BBJHK nidx=null parent=4SD47]
Rhodacarellus
 - Rhodacarellus [ACCEPTED GENUS 9893:642BW nidx=null]
 + Rhodacarellus Willmann, 1935 [ACCEPTED GENUS 9902:B8V8P nidx=null]
Rhodacaridae
 - Rhodacaridae [ACCEPTED FAMILY 9893:FQ4 nidx=null]
 + Rhodacaridae Oudemans, 1902 [ACCEPTED FAMILY 9902:B8V87 nidx=null]
Rhodacaroides
 - Rhodacaroides [ACCEPTED GENUS 9893:792F nidx=null]
 + Rhodacaroides Willmann, 1959 [ACCEPTED GENUS 9902:B923L nidx=null]
 + Rhodacaroides Willmann, 1959 [SYNONYM SUBGENUS 9902:B923M nidx=null parent=B923L]
Rhodacaropsis
 - Rhodacaropsis [ACCEPTED GENUS 9893:792G nidx=null]
 + Rhodacaropsis Willmann, 1935 [ACCEPTED GENUS 9902:B923N nidx=null]
 + Rhodacaropsis Willmann, 1935 [SYNONYM SUBGENUS 9902:B923P nidx=null parent=B923N]
Rhodacarus
 - Rhodacarus [ACCEPTED GENUS 9893:792H nidx=null]
 + Rhodacarus Oudemans, 1902 [ACCEPTED GENUS 9902:B8V8Q nidx=null]
 + Rhodacarus Oudemans, 1902 [SYNONYM SUBGENUS 9902:B8V8R nidx=null parent=B8V8Q]
Rhombozoa
 - Rhombozoa [ACCEPTED CLASS 9893:HJ nidx=null]
 + Rhombozoa van Beneden [ACCEPTED CLASS 9902:B8VDV nidx=null]
Rhopalomyzus (Rhopalomyzus) coerulescens
 - Rhopalomyzus (Rhopalomyzus) coerulescens [SYNONYM SPECIES 9893:B8HVJ nidx=null parent=3MVCM]
 + Rhopalomyzus (Rhopalomyzus) coerulescens [SYNONYM SPECIES 9902:BCGZ6 nidx=null parent=3MVCM]
Rhysota (Rhysota) maxima
 - Rhysota (Rhysota) maxima (L. Pfeiffer, 1854) [SYNONYM SPECIES 9893:7SZZQ nidx=null parent=7SM6L]
 + Rhysota (Rhysota) maxima (Reeve, 1853) [SYNONYM SPECIES 9902:BCDXH nidx=null parent=BC4CY]
Rhysota maxima
 - Rhysota maxima (L. Pfeiffer, 1854) [SYNONYM SPECIES 9893:7T229 nidx=null parent=7SM6L]
 + Rhysota maxima (Reeve, 1853) [SYNONYM SPECIES 9902:BCDXJ nidx=null parent=BC4CY]
Rhytisma acerinum var. pseudoplatani
 - Rhytisma acerinum var. pseudoplatani (Hoppe ex DC.) Duby [SYNONYM VARIETY 9893:9ZMJP nidx=null parent=4SXRK]
 + Rhytisma acerinum var. pseudoplatani (Hoppe ex DC.) Duby [SYNONYM VARIETY 9902:BDGPL nidx=null parent=4SXRK]
Ricasolia amplissima subsp. sheiyi
 - Ricasolia amplissima subsp. sheiyi Derr & Dillman [SYNONYM SUBSPECIES 9893:5KXM3 nidx=null parent=4SYWR]
 + Ricasolia amplissima subsp. sheiyi Derr & Dillman [SYNONYM SUBSPECIES 9902:BBJHM nidx=null parent=4SYWR]
Rimbachia arachnoidea var. bispora
 - Rimbachia arachnoidea var. bispora (Singer) Blanco-Dios [SYNONYM VARIETY 9893:5R85G nidx=null parent=4T3GN]
 + Rimbachia arachnoidea var. bispora (Singer) Blanco-Dios [SYNONYM VARIETY 9902:BBLDH nidx=null parent=4T3GN]
Rinodina exigua var. lecideina
 - Rinodina exigua var. lecideina (Nyl.) Th. Fr. [SYNONYM VARIETY 9893:B26KS nidx=null parent=PJTG]
 + Rinodina exigua var. lecideina (Nyl.) Th. Fr. [SYNONYM VARIETY 9902:BDGPM nidx=null parent=PJTG]
Rissoina altenai
 - Rissoina altenai Beets, 1942 [ACCEPTED SPECIES 9893:4T65X nidx=null]
 + Rissoina altenai Beets, 1943 [ACCEPTED SPECIES 9902:BBB87 nidx=null]
Rodinosmilia
 - Rodinosmilia [ACCEPTED GENUS 9893:B8C32 nidx=null]
 + Rodinosmilia Beauvais, 1986 [ACCEPTED GENUS 9902:BBQKS nidx=null]
Rohdea fargesii var. tsinlingensis
 - Rohdea fargesii var. tsinlingensis (N.Tanaka) Y.F.Deng [ACCEPTED VARIETY 9893:8YH7D nidx=null]
 + Rohdea fargesii var. tsinlingensis (N.Tanaka) Y.F.Deng [ACCEPTED VARIETY 9902:BBLDJ nidx=null]
Russula alutacea var. grisea
 - Russula alutacea var. grisea (Fr.) Quél. [SYNONYM VARIETY 9893:9ZMLM nidx=null parent=4TRZW]
 + Russula alutacea var. grisea (Fr.) Quél. [SYNONYM VARIETY 9902:BDGPN nidx=null parent=4TRZW]
Russula floriformis subsp. symphoniae
 - Russula floriformis subsp. symphoniae C. Manz, F. Hampe & A. Corrales [SYNONYM SUBSPECIES 9893:9ZJK8 nidx=null parent=9ZFDW]
 + Russula floriformis subsp. symphoniae C. Manz, F. Hampe & A. Corrales [SYNONYM SUBSPECIES 9902:BBJHP nidx=null parent=9ZFDW]
Russula integra f. phlyctidospora
 - Russula integra f. phlyctidospora Romagn. [SYNONYM FORM 9893:5SY7V nidx=null parent=4TS4H]
 + Russula integra f. phlyctidospora Romagn. [SYNONYM FORM 9902:BBLKR nidx=null parent=4TS4H]
Russula seperina var. gaminii
 - Russula seperina var. gaminii Dupain [SYNONYM VARIETY 9893:7MKY9 nidx=null parent=4TRKJ]
 + Russula seperina var. gaminii Dupain [SYNONYM VARIETY 9902:BBLDL nidx=null parent=4TRKJ]
Rykellus
 - Rykellus [ACCEPTED GENUS 9893:63RK8 nidx=null]
 + Rykellus Lee, 1970 [ACCEPTED GENUS 9902:B923Q nidx=null]
Ryssota (Pararyssota) maxima
 - Ryssota (Pararyssota) maxima (L. Pfeiffer, 1854) [SYNONYM SPECIES 9893:7T37L nidx=null parent=7SM6L]
 + Ryssota (Pararyssota) maxima (Reeve, 1853) [SYNONYM SPECIES 9902:BCF3F nidx=null parent=BC4CY]
Ryssota maxima
 - Ryssota maxima (L. Pfeiffer, 1854) [SYNONYM SPECIES 9893:7T37V nidx=null parent=7SM6L]
 + Ryssota maxima (Reeve, 1853) [SYNONYM SPECIES 9902:BCF3G nidx=null parent=BC4CY]
Saccharum spontaneum subsp. aegyptiacum
 - Saccharum spontaneum subsp. aegyptiacum (Willd.) Hack. [ACCEPTED SUBSPECIES 9893:5KYT7 nidx=null]
 - Saccharum spontaneum subsp. aegyptiacum (Willd.) A.DC. [SYNONYM SUBSPECIES 9893:9KZX6 nidx=null parent=5KYT7]
 + Saccharum spontaneum subsp. aegyptiacum (Willd.) Hack. [ACCEPTED SUBSPECIES 9902:BBJHQ nidx=null]
 + Saccharum spontaneum subsp. aegyptiacum (Willd.) A.DC. [SYNONYM SUBSPECIES 9902:BBJHR nidx=null parent=BBJHQ]
Sannina cambodialis
 - Sannina cambodialis Walker, 1864 [SYNONYM SPECIES 9893:988TN nidx=null parent=4D6KW]
 + Sannina cambodialis Walker, [1865] [SYNONYM SPECIES 9902:BDCMW nidx=null parent=BDLPY]
Sannina korites
 - Sannina korites Druce, 1883 [SYNONYM SPECIES 9893:988TP nidx=null parent=BH5Y]
 + Sannina korites Druce, 1884 [SYNONYM SPECIES 9902:BDCMX nidx=null parent=B92ST]
Sannina uroceripennis
 - Sannina uroceripennis Boisduval, 1874 [SYNONYM SPECIES 9893:79J63 nidx=null parent=79J5R]
 + Sannina uroceripennis (Boisduval, [1875] ) [SYNONYM SPECIES 9902:BCHM2 nidx=null parent=79J5R]
Sannina verrugo
 - Sannina verrugo Druce, 1883 [SYNONYM SPECIES 9893:948M7 nidx=null parent=4C5Y4]
 + Sannina verrugo Druce, 1884 [SYNONYM SPECIES 9902:BDCMY nidx=null parent=B92SV]
Sanninoidea edwardsii
 - Sanninoidea edwardsii Beutenmüller, 1899 [SYNONYM SPECIES 9893:6XJ5W nidx=null parent=949P3]
 + Sanninoidea edwardsii Beutenmüller, 1900 [SYNONYM SPECIES 9902:BCHM3 nidx=null parent=949P3]
Sarcogyne pruinosa var. decipiens
 - Sarcogyne pruinosa var. decipiens H. Magn. [SYNONYM VARIETY 9893:B2PS8 nidx=null parent=9374]
 + Sarcogyne pruinosa var. decipiens H. Magn. [SYNONYM VARIETY 9902:BDGPP nidx=null parent=9374]
Sarconesia gracielae
 - Sarconesia gracielae (Mariluis, 1982) [ACCEPTED SPECIES 9893:6XLTD nidx=null]
 + Sarconesia gracielae Mariluis, 1981 [ACCEPTED SPECIES 9902:BB2BB nidx=null]
Sarcophaga tesselata
 - Sarcophaga tesselata Mattos, 1926 [SYNONYM SPECIES 9893:8DRQJ nidx=null parent=8D7QQ]
 + Sarcophaga tesselata Lutz, 1910 [SYNONYM SPECIES 9902:BB2HZ nidx=null parent=8D7QQ]
Sarcosagium campestre var. macrosporum
 - Sarcosagium campestre var. macrosporum Coppins & P. James [SYNONYM VARIETY 9893:5RC9Q nidx=null parent=79MVT]
 + Sarcosagium campestre var. macrosporum Coppins & P. James [SYNONYM VARIETY 9902:BBLDP nidx=null parent=79MVT]
Sargus seychellensis
 - Sargus seychellensis Kertész, 1972 [ACCEPTED SPECIES 9893:6XNVD nidx=null]
 + Sargus seychellensis Kertész, 1912 [ACCEPTED SPECIES 9902:BB2KY nidx=null]
Satsuma gouldi
 - Satsuma gouldi (L. Pfeiffer, 1845) [SYNONYM SPECIES 9893:7T3MJ nidx=null parent=7RDBT]
 + Satsuma gouldi (L. Pfeiffer, 1846) [SYNONYM SPECIES 9902:BCF5K nidx=null parent=BBFLR]
Schizaphis (Schizaphis) rotundiventris
 - Schizaphis (Schizaphis) rotundiventris [ACCEPTED SPECIES 9893:6XVCJ nidx=null]
 + Schizaphis (Schizaphis) rotundiventris [ACCEPTED SPECIES 9902:B8ZKJ nidx=null]
Sciapteron caeruleimicans
 - Sciapteron caeruleimicans Hampson, 1892 [SYNONYM SPECIES 9893:989Q7 nidx=null parent=4D6KV]
 + Sciapteron caeruleimicans Hampson, [1893] [SYNONYM SPECIES 9902:BDCPK nidx=null parent=BDLP2]
Sciapteron cupreivitta
 - Sciapteron cupreivitta Hampson, 1892 [SYNONYM SPECIES 9893:989Q9 nidx=null parent=4D6L7]
 + Sciapteron cupreivitta Hampson, [1893] [SYNONYM SPECIES 9902:BDCPL nidx=null parent=BDLLV]
Sciapteron flammans
 - Sciapteron flammans Hampson, 1892 [SYNONYM SPECIES 9893:989QG nidx=null parent=4D6NB]
 + Sciapteron flammans Hampson, [1893] [SYNONYM SPECIES 9902:BDCPM nidx=null parent=BB26W]
Sciapteron metallica
 - Sciapteron metallica Hampson, 1892 [SYNONYM SPECIES 9893:989QL nidx=null parent=4D6M6]
 + Sciapteron metallica van Eecke, 1915 [SYNONYM SPECIES 9902:BDCPP nidx=null parent=4D6L4]
Sciapus banksii
 - Sciapus banksii Van Duzee, 1915 [SYNONYM SPECIES 9893:894QM nidx=null parent=XL24]
 + Sciapus banksii Van Duzee, 1914 [SYNONYM SPECIES 9902:BB2PW nidx=null parent=B9B26]
Sciapus furcatus
 - Sciapus furcatus Van Duzee, 1915 [SYNONYM SPECIES 9893:894QR nidx=null parent=XL5J]
 + Sciapus furcatus Van Duzee, 1914 [SYNONYM SPECIES 9902:BB2PX nidx=null parent=XL5J]
Sciapus leonardi
 - Sciapus leonardi Van Duzee, 1915 [SYNONYM SPECIES 9893:894QS nidx=null parent=XL6V]
 + Sciapus leonardi Van Duzee, 1914 [SYNONYM SPECIES 9902:BB2PY nidx=null parent=B9B27]
Scilla hakkariensis
 - Scilla hakkariensis Firat & Yildirim [ACCEPTED SPECIES 9893:9V4DR nidx=null]
 + Scilla hakkariensis Firat & Yildirim [ACCEPTED SPECIES 9902:BDCPR nidx=null]
Scilla peruviana var. sicula
 - Scilla peruviana var. sicula (Tineo ex Guss.) Fiori [SYNONYM VARIETY 9893:8YH95 nidx=null parent=4VJLD]
 + Scilla peruviana var. sicula (Tineo ex Guss.) Fiori [SYNONYM VARIETY 9902:BBLDV nidx=null parent=4VJLD]
Scissurella bituminata
 - Scissurella bituminata Beets, 1942 [ACCEPTED SPECIES 9893:7T4DM nidx=null]
 + Scissurella bituminata Beets, 1943 [ACCEPTED SPECIES 9902:BCGC9 nidx=null]
Scleractinia
 - Scleractinia [ACCEPTED ORDER 9893:42G nidx=null]
 + Scleractinia Bourne, 1900 [ACCEPTED ORDER 9902:B8V7T nidx=null]
Scoliciosporum umbrinum var. compactum
 - Scoliciosporum umbrinum var. compactum (Körb.) Arnold [SYNONYM VARIETY 9893:7MN4V nidx=null parent=4VRSS]
 + Scoliciosporum umbrinum var. compactum (Körb.) Arnold [SYNONYM VARIETY 9902:BBLDW nidx=null parent=4VRSS]
Scolodonta guayaquilensis
 - Scolodonta guayaquilensis (L. Pfeiffer, 1852) [ACCEPTED SPECIES 9893:7T4DY nidx=null]
 + Scolodonta guayaquilensis (Reeve, 1852) [ACCEPTED SPECIES 9902:BCGDL nidx=null]
Scolodonta thomasi
 - Scolodonta thomasi (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7T4FC nidx=null]
 + Scolodonta thomasi (Reeve, 1854) [ACCEPTED SPECIES 9902:BCGDM nidx=null]
Scutariella stammeri
 - Scutariella stammeri Matjasic, 1958 [ACCEPTED SPECIES 9893:4VZX8 nidx=null]
 + Scutariella stammeri Matjašič, 1957 [ACCEPTED SPECIES 9902:BCGJ6 nidx=null]
Scutellinia olivascens var. minutospora
 - Scutellinia olivascens var. minutospora Kullman [SYNONYM VARIETY 9893:B2SBF nidx=null parent=4W2XZ]
 + Scutellinia olivascens var. minutospora Kullman [SYNONYM VARIETY 9902:BBLDX nidx=null parent=4W2XZ]
Scyphozoa
 - Scyphozoa [ACCEPTED CLASS 9893:HW nidx=null]
 + Scyphozoa Goette, 1887 [ACCEPTED CLASS 9902:B8V3Z nidx=null]
Seguytabanus oldroydi
 - Seguytabanus oldroydi Paulian, 1962 [SYNONYM SPECIES 9893:8DVJL nidx=null parent=8D383]
 + Seguytabanus oldroydi Paulian, 1962 [ACCEPTED SPECIES 9902:6YB7N nidx=null]
Senotainia puncticornis
 - Senotainia puncticornis (Zetterstedt, 1838) [ACCEPTED SPECIES 9893:6YGQG nidx=null]
 + Senotainia puncticornis (Zetterstedt, 1837) [ACCEPTED SPECIES 9902:BB2RP nidx=null]
Serendipidae
 - Serendipidae [ACCEPTED FAMILY 9893:626Y2 nidx=null]
 + Serendipidae Evenhuis, 1994 [ACCEPTED FAMILY 9902:B8VGQ nidx=null]
Sesarma rousseauxi
 - Sesarma rousseauxi [SYNONYM SPECIES 9893:4WYZZ nidx=null parent=42D52]
 + Sesarma rousseauxi (H. Milne Edwards, 1853) [SYNONYM SPECIES 9902:BCGT5 nidx=null parent=42D52]
Sesia albotarsata
 - Sesia albotarsata Staudinger, 1901 [SYNONYM SPECIES 9893:4WZK4 nidx=null parent=93X2X]
 + Sesia albotarsata Rebel, 1901 [SYNONYM SPECIES 9902:BCK9H nidx=null parent=B993Z]
Sesia anisozona
 - Sesia anisozona Meyrick, 1919 [SYNONYM SPECIES 9893:98C7H nidx=null parent=98GLD]
 + Sesia anisozona Meyrick, 1918 [SYNONYM SPECIES 9902:BDCS6 nidx=null parent=BDCZ8]
Sesia asilipennis
 - Sesia asilipennis Boisduval, 1829 [SYNONYM SPECIES 9893:98C7P nidx=null parent=4D6KN]
 + Sesia asilipennis Boisduval, [1832] [SYNONYM SPECIES 9902:BDCS7 nidx=null parent=BB26R]
Sesia bembeciformis
 - Sesia bembeciformis (Hübner) [ACCEPTED SPECIES 9893:4WZKJ nidx=null]
 + Sesia bembeciformis (Hübner, [1803-1806] ) [ACCEPTED SPECIES 9902:BBCQD nidx=null]
Sesia chrysophanes
 - Sesia chrysophanes Meyrick, 1886 [SYNONYM SPECIES 9893:98C88 nidx=null parent=69C4Z]
 + Sesia chrysophanes Meyrick, 1887 [SYNONYM SPECIES 9902:BDCS9 nidx=null parent=BB274]
Sesia cubana
 - Sesia cubana Herrich-Schäffer, 1867 [SYNONYM SPECIES 9893:98C8F nidx=null parent=7B877]
 + Sesia cubana Herrich-Schäffer, 1866 [SYNONYM SPECIES 9902:BDCSB nidx=null parent=BBD8P]
Sesia doryceraeformis
 - Sesia doryceraeformis Lederer, 1855 [SYNONYM SPECIES 9893:98C8N nidx=null parent=92XY3]
 + Sesia doryceraeformis Lederer, 1853 [SYNONYM SPECIES 9902:BDCSC nidx=null parent=B98ZS]
Sesia elampiformis
 - Sesia elampiformis (Herrich-Schäffer, 1846 nec Freyer, 1842) [MISAPPLIED SPECIES 9893:98C8R nidx=null parent=947YN]
 + Sesia elampiformis Herrich-Schäffer, [1846] [AMBIGUOUS_SYNONYM SPECIES 9902:BDCSD nidx=null parent=BDFN5]
Sesia eumeniformis
 - Sesia eumeniformis Heydenreich, 1851 [SYNONYM SPECIES 9893:4WZLG nidx=null parent=947YN]
 + Sesia eumeniformis Herrich-Schäffer, [1846] [SYNONYM SPECIES 9902:BCK9P nidx=null parent=BDFN5]
Sesia foeniformis
 - Sesia foeniformis Herrich-Schäffer, 1845 [SYNONYM SPECIES 9893:94DNT nidx=null parent=TKVY]
 + Sesia foeniformis Herrich-Schäffer, [1846] [SYNONYM SPECIES 9902:BDCSF nidx=null parent=B98Z2]
Sesia fulvopyga
 - Sesia fulvopyga Le Cerf, 1912 [SYNONYM SPECIES 9893:98C93 nidx=null parent=53TFT]
 + Sesia fulvopyga Le Cerf, 1911 [SYNONYM SPECIES 9902:BDCSG nidx=null parent=B984J]
Sesia guriensis
 - Sesia guriensis von Emich, 1872 [SYNONYM SPECIES 9893:98C99 nidx=null parent=TKXF]
 + Sesia guriensis Emich von Emöke, 1872 [SYNONYM SPECIES 9902:BDCSH nidx=null parent=B992C]
Sesia icteropus
 - Sesia icteropus Herrich-Schäffer, 1845 [AMBIGUOUS_SYNONYM SPECIES 9893:4WZLY nidx=null parent=TKX5]
 - Sesia icteropus Zeller, 1847 [AMBIGUOUS_SYNONYM SPECIES 9893:99TJG nidx=null parent=94DG7]
 + Sesia icteropus Zeller, 1847 [SYNONYM SPECIES 9902:4WZLX nidx=null parent=BBB3L]
Sesia igniflua
 - Sesia igniflua Lucas, 1893 [SYNONYM SPECIES 9893:98C9G nidx=null parent=938VP]
 + Sesia igniflua Lucas, 1894 [SYNONYM SPECIES 9902:BDCSK nidx=null parent=BDJF8]
Sesia isozona
 - Sesia isozona Meyrick, 1886 [SYNONYM SPECIES 9893:98C9K nidx=null parent=6685L]
 + Sesia isozona Meyrick, 1887 [SYNONYM SPECIES 9902:BDCSL nidx=null parent=BB8MX]
Sesia jakuta
 - Sesia jakuta Herz, 1904 [SYNONYM SPECIES 9893:98C9M nidx=null parent=963F6]
 + Sesia jakuta Herz, 1903 [SYNONYM SPECIES 9902:BDCSM nidx=null parent=B972Y]
Sesia lahayei
 - Sesia lahayei Oberthür, 1888 [SYNONYM SPECIES 9893:98C9N nidx=null parent=TKVY]
 + Sesia lahayei Oberthür, 1890 [SYNONYM SPECIES 9902:BDCSN nidx=null parent=B98Z2]
Sesia leucoparea
 - Sesia leucoparea Lederer, 1871 [SYNONYM SPECIES 9893:98C9S nidx=null parent=TKXZ]
 + Sesia leucoparea Lederer, 1870 [SYNONYM SPECIES 9902:BDCSP nidx=null parent=B992S]
Sesia leucospidiformis
 - Sesia leucospidiformis Lederer, 1852 [SYNONYM SPECIES 9893:4WZM9 nidx=null parent=949NH]
 + Sesia leucospidiformis Staudinger, 1854 [SYNONYM SPECIES 9902:BCK9Q nidx=null parent=B992V]
Sesia luctuosa
 - Sesia luctuosa Lederer, 1852 [SYNONYM SPECIES 9893:98C9T nidx=null parent=949P4]
 + Sesia luctuosa Lederer, 1853 [SYNONYM SPECIES 9902:BDCSQ nidx=null parent=BBJLS]
Sesia macropyga
 - Sesia macropyga Le Cerf, 1912 [SYNONYM SPECIES 9893:98C9W nidx=null parent=53TH2]
 + Sesia macropyga Le Cerf, 1911 [SYNONYM SPECIES 9902:BDCSR nidx=null parent=BDLX5]
Sesia miniacea
 - Sesia miniacea Lederer, 1852 [SYNONYM SPECIES 9893:4WZMF nidx=null parent=947YN]
 + Sesia miniacea Lederer, 1853 [SYNONYM SPECIES 9902:BCK9R nidx=null parent=BDFN5]
Sesia minianiformis
 - Sesia minianiformis Freyer, 1842 [SYNONYM SPECIES 9893:948ZB nidx=null parent=947YN]
 + Sesia minianiformis Freyer, 1843 [SYNONYM SPECIES 9902:BDCST nidx=null parent=BBB3W]
Sesia osmiaeformis
 - Sesia osmiaeformis Herrich-Schäffer, 1848 [SYNONYM SPECIES 9893:94DP5 nidx=null parent=92XY9]
 + Sesia osmiaeformis Herrich-Schäffer, [1852] [SYNONYM SPECIES 9902:BDCSX nidx=null parent=B993K]
Sesia panorpaeformis
 - Sesia panorpaeformis Boisduval, 1874 [SYNONYM SPECIES 9893:98CBL nidx=null parent=4D6MH]
 + Sesia panorpaeformis Boisduval, [1875] [SYNONYM SPECIES 9902:BDCSY nidx=null parent=BDLXV]
Sesia proximata
 - Sesia proximata Staudinger, 1891 [SYNONYM SPECIES 9893:95CMF nidx=null parent=TKYY]
 + Sesia proximata Staudinger, 1892 [SYNONYM SPECIES 9902:BDCSZ nidx=null parent=B993R]
Sesia puigi
 - Sesia puigi Oberthür, 1883 [SYNONYM SPECIES 9893:4WZNF nidx=null parent=7B86P]
 + Sesia puigi Oberthür, 1881 [SYNONYM SPECIES 9902:BCK9Y nidx=null parent=7B86P]
Sesia quinquecincta
 - Sesia quinquecincta Hampson, 1892 [SYNONYM SPECIES 9893:98CBZ nidx=null parent=TLJH]
 + Sesia quinquecincta Hampson, [1893] [SYNONYM SPECIES 9902:BDCT2 nidx=null parent=B9QYL]
Sesia rhodothictis
 - Sesia rhodothictis Meyrick, 1919 [SYNONYM SPECIES 9893:98CC6 nidx=null parent=98GMQ]
 + Sesia rhodothictis Meyrick, 1918 [SYNONYM SPECIES 9902:BDCT3 nidx=null parent=BDCZJ]
Sesia rubriformis
 - Sesia rubriformis Heydenreich, 1851 [SYNONYM SPECIES 9893:4WZNL nidx=null parent=93X2X]
 + Sesia rubriformis Herrich-Schäffer, [1846] [SYNONYM SPECIES 9902:BCK9Z nidx=null parent=B993Z]
Sesia schmidtii
 - Sesia schmidtii Lederer, 1852 [AMBIGUOUS_SYNONYM SPECIES 9893:4WZNQ nidx=null parent=93X2X]
 - Sesia schmidtii (Zeller, 1847) [AMBIGUOUS_SYNONYM SPECIES 9893:99TJK nidx=null parent=94DG7]
 + Sesia schmidtii Lederer, 1853 [SYNONYM SPECIES 9902:BCKB2 nidx=null parent=B993Z]
Sesia sigmoidea
 - Sesia sigmoidea (Edwards, 1882) [ACCEPTED SPECIES 9893:98CCQ nidx=null]
 + Sesia sigmoidea Beutenmüller, 1897 [SYNONYM SPECIES 9902:BDCT4 nidx=null parent=BBD9J]
Sesia stiziformis
 - Sesia stiziformis Herrich-Schäffer, 1851 [SYNONYM SPECIES 9893:95CML nidx=null parent=959NV]
 + Sesia stiziformis Herrich-Schäffer, [1852] [SYNONYM SPECIES 9902:BDCT5 nidx=null parent=B9739]
Sesia tengyraeformis
 - Sesia tengyraeformis Herrich-Schäffer, 1852 [SYNONYM SPECIES 9893:98CCW nidx=null parent=92WPQ]
 + Sesia tengyraeformis Boisduval, 1840 [AMBIGUOUS_SYNONYM SPECIES 9902:BDCT7 nidx=null parent=B98Z7]
 + Sesia tengyraeformis Herrich-Schäffer, 1851 [AMBIGUOUS_SYNONYM SPECIES 9902:BDCT8 nidx=null parent=BDLW3]
Sesia theobromae
 - Sesia theobromae Busck, 1911 [ACCEPTED SPECIES 9893:98CCY nidx=null]
 + Sesia theobromae Busck, 1910 [SYNONYM SPECIES 9902:BDCT9 nidx=null parent=BDJKP]
Sesia therevaeformis
 - Sesia therevaeformis Lederer, 1852 [SYNONYM SPECIES 9893:4WZP9 nidx=null parent=949NN]
 + Sesia therevaeformis Lederer, 1853 [SYNONYM SPECIES 9902:BCKB3 nidx=null parent=BDFN4]
Sesia triannuliformis
 - Sesia triannuliformis Freyer, 1843 [SYNONYM SPECIES 9893:948ZJ nidx=null parent=949NP]
 + Sesia triannuliformis Freyer, 1842 [SYNONYM SPECIES 9902:BDCTB nidx=null parent=BBB42]
Sesia unicincta
 - Sesia unicincta Hampson, 1892 [AMBIGUOUS_SYNONYM SPECIES 9893:93MMS nidx=null parent=98GN9]
 + Sesia unicincta Hampson, [1893] [AMBIGUOUS_SYNONYM SPECIES 9902:BCKB4 nidx=null parent=BDKPT]
Sesia unicolor
 - Sesia unicolor Ragusa, 1906 [SYNONYM SPECIES 9893:4WZPG nidx=null parent=98GKX]
 + Sesia unicolor Ragusa, 1904 [SYNONYM SPECIES 9902:BCKB5 nidx=null parent=BBB3L]
Sesia xanthia
 - Sesia xanthia Le Cerf, 1912 [AMBIGUOUS_SYNONYM SPECIES 9893:B7FNR nidx=null parent=TKVW]
 - Sesia xanthia Le Cerf, 1912 [AMBIGUOUS_SYNONYM SPECIES 9893:B8JCR nidx=null parent=98GKX]
 + Sesia xanthia Le Cerf, 1911 [SYNONYM SPECIES 9902:BCKB6 nidx=null parent=BBB3B]
Sesia xiphiaeformis
 - Sesia xiphiaeformis Boisduval, 1874 [SYNONYM SPECIES 9893:4WZPM nidx=null parent=949P3]
 + Sesia xiphiaeformis Boisduval, [1875] [SYNONYM SPECIES 9902:BCKB7 nidx=null parent=949P3]
Sesia zelleri
 - Sesia zelleri Lederer, 1852 [SYNONYM SPECIES 9893:4WZPN nidx=null parent=92XY9]
 + Sesia zelleri Lederer, 1853 [SYNONYM SPECIES 9902:BCKB8 nidx=null parent=B993K]
Sesiidae
 - Sesiidae [ACCEPTED FAMILY 9893:G92 nidx=null]
 + Sesiidae Boisduval, 1828 [ACCEPTED FAMILY 9902:B8W23 nidx=null]
Sesiinae
 - Sesiinae [ACCEPTED SUBFAMILY 9893:93N24 nidx=null]
 + Sesiinae Boisduval, 1828 [ACCEPTED SUBFAMILY 9902:B8X5D nidx=null]
Sessiluncus
 - Sessiluncus [ACCEPTED GENUS 9893:7G2G nidx=null]
 + Sessiluncus G. Canestrini, 1898 [ACCEPTED GENUS 9902:B8V8S nidx=null]
 + Sessiluncus G. Canestrini, 1898 [SYNONYM SUBGENUS 9902:B8V8T nidx=null parent=B8V8S]
Sessiluncus aegypticus
 - Sessiluncus aegypticus Nasr e Afifi, 1984 [ACCEPTED SPECIES 9893:4WZX7 nidx=null]
 + Sessiluncus aegypticus Nasr & Afifi, 1986 [ACCEPTED SPECIES 9902:BCKBH nidx=null]
Setaria italica subsp. germanica
 - Setaria italica subsp. germanica (Mill.) K.Richt. [SYNONYM SUBSPECIES 9893:5L63Q nidx=null parent=6YKG8]
 + Setaria italica subsp. germanica (Mill.) K.Richt. [SYNONYM SUBSPECIES 9902:BBJJF nidx=null parent=6YKG8]
Setaria sphacelata var. anceps
 - Setaria sphacelata var. anceps (Stapf) Veldkamp [SYNONYM VARIETY 9893:5RH5T nidx=null parent=4X2LW]
 + Setaria sphacelata var. anceps (Stapf) Veldkamp [SYNONYM VARIETY 9902:BBLFN nidx=null parent=4X2LW]
Setaria sphacelata var. sericea
 - Setaria sphacelata var. sericea (Stapf) Clayton [SYNONYM VARIETY 9893:5RH5V nidx=null parent=4X2LW]
 + Setaria sphacelata var. sericea (Stapf) Clayton [SYNONYM VARIETY 9902:BBLFP nidx=null parent=4X2LW]
Setaria sphacelata var. torta
 - Setaria sphacelata var. torta (Stapf) Clayton [SYNONYM VARIETY 9893:5RH5Y nidx=null parent=4X2LW]
 + Setaria sphacelata var. torta (Stapf) Clayton [SYNONYM VARIETY 9902:BBLFQ nidx=null parent=4X2LW]
Setaria verticillata var. ambigua
 - Setaria verticillata var. ambigua (Guss.) Parl. [SYNONYM VARIETY 9893:5RH66 nidx=null parent=6YMB6]
 + Setaria verticillata var. ambigua (Guss.) Parl. [SYNONYM VARIETY 9902:BBLFR nidx=null parent=6YMB6]
Setaria viridis subsp. pycnocoma
 - Setaria viridis subsp. pycnocoma (Steud.) Tzvelev [SYNONYM SUBSPECIES 9893:5L64N nidx=null parent=4X2NF]
 + Setaria viridis subsp. pycnocoma (Steud.) Tzvelev [SYNONYM SUBSPECIES 9902:BBJJG nidx=null parent=4X2NF]
Setaria viridis var. pachystachys
 - Setaria viridis var. pachystachys (Franch. & Sav.) Masam. & Yanagita [SYNONYM VARIETY 9893:5RH6X nidx=null parent=4X2NF]
 + Setaria viridis var. pachystachys (Franch. & Sav.) Masam. & Yanagita [SYNONYM VARIETY 9902:BBLFS nidx=null parent=4X2NF]
Sigaretus undulatus
 - Sigaretus undulatus K. Martin, 1885 [SYNONYM SPECIES 9893:7T4YD nidx=null parent=7T5PL]
 + Sigaretus undulatus K. Martin, 1884 [SYNONYM SPECIES 9902:BCGTY nidx=null parent=7T5PL]
Sigmatomera (Austrolimnobia)
 - Sigmatomera (Austrolimnobia) Alexander, 1922 [ACCEPTED SUBGENUS 9893:8H262 nidx=null]
 + Sigmatomera (Austrolimnobia) Alexander, 1922 [ACCEPTED SUBGENUS 9902:B8ZNR nidx=null]
Sincara cambyses
 - Sincara cambyses Druce, 1883 [ACCEPTED SPECIES 9893:4XJJ9 nidx=null]
 + Sincara cambyses Druce, 1884 [SYNONYM SPECIES 9902:BCKDV nidx=null parent=B9LYG]
Sincara lytaea
 - Sincara lytaea Druce, 1883 [ACCEPTED SPECIES 9893:4XJJD nidx=null]
 + Sincara lytaea Druce, 1884 [SYNONYM SPECIES 9902:BCKDW nidx=null parent=B984T]
Sincara phyllis
 - Sincara phyllis Druce, 1883 [ACCEPTED SPECIES 9893:4XJJH nidx=null]
 + Sincara phyllis Druce, 1884 [SYNONYM SPECIES 9902:BCKDX nidx=null parent=B9852]
Solariella shimajiriensis
 - Solariella shimajiriensis MacNeil, 1960 [SYNONYM SPECIES 9893:7T66V nidx=null parent=7S5TX]
 + Solariella shimajiriensis MacNeil, 1961 [SYNONYM SPECIES 9902:BCGXQ nidx=null parent=B9TSC]
Solaropsis catenifera
 - Solaropsis catenifera (L. Pfeiffer, 1854) [ACCEPTED SPECIES 9893:7T68L nidx=null]
 + Solaropsis catenifera (Reeve, 1852) [ACCEPTED SPECIES 9902:BBCS3 nidx=null]
Solaropsis marmatensis
 - Solaropsis marmatensis (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7T6C2 nidx=null]
 + Solaropsis marmatensis (Reeve, 1854) [ACCEPTED SPECIES 9902:BBCS4 nidx=null]
Solidula cinerea
 - Solidula cinerea (R. B. Watson, 1883) [SYNONYM SPECIES 9893:B6GZL nidx=null parent=4QJCQ]
 + Solidula cinerea (R. B. Watson, 1884) [SYNONYM SPECIES 9902:BDKYN nidx=null parent=4QJCQ]
Solorina bispora subsp. macrospora
 - Solorina bispora subsp. macrospora (Harm.) Burgaz & I. Martínez [SYNONYM SUBSPECIES 9893:5L825 nidx=null parent=9YLDP]
 + Solorina bispora subsp. macrospora (Harm.) Burgaz & I. Martínez [SYNONYM SUBSPECIES 9902:BBJJL nidx=null parent=9YLDP]
Solugamasus
 - Solugamasus [ACCEPTED GENUS 9893:7JKB nidx=null]
 + Solugamasus Lee, 1973 [ACCEPTED GENUS 9902:B8Z8F nidx=null]
Solva confusa
 - Solva confusa Hollis, 1962 [ACCEPTED SPECIES 9893:4Y88L nidx=null]
 + Solva confusa Hollis, 1963 [ACCEPTED SPECIES 9902:BB3LK nidx=null]
Sorcostia
 - Sorcostia Lower, 1896 [SYNONYM GENUS 9893:94PHG nidx=null parent=92GRB]
 + Sorcostia Leach, 1815 [SYNONYM GENUS 9902:BC66L nidx=null parent=92GRB]
Sparassis americana f. arizonica
 - Sparassis americana f. arizonica R.H. Petersen [SYNONYM FORM 9893:5SZYH nidx=null parent=6Z7KG]
 + Sparassis americana f. arizonica R.H. Petersen [SYNONYM FORM 9902:BBLL2 nidx=null parent=6Z7KG]
Sparassis brevipes f. nemecii
 - Sparassis brevipes f. nemecii (Pilát & Veselý) R.H. Petersen [SYNONYM FORM 9893:5SZYJ nidx=null parent=6YVKD]
 + Sparassis brevipes f. nemecii (Pilát & Veselý) R.H. Petersen [SYNONYM FORM 9902:BBLL3 nidx=null parent=6YVKD]
Sphaerium draparnaldi
 - Sphaerium draparnaldi Clessin, 1877 [SYNONYM SPECIES 9893:8V2B9 nidx=null parent=6YWBR]
 + Sphaerium draparnaldi Clessin, 1873 [SYNONYM SPECIES 9902:BCH3L nidx=null parent=7T72X]
Sphaeroma annandalei travancorensis
 - Sphaeroma annandalei travancorensis Pillai, 1955 [ACCEPTED SUBSPECIES 9893:5F55X nidx=null]
 + Sphaeroma annandalei travancorensis Pillai, 1954 [ACCEPTED SUBSPECIES 9902:BCRNK nidx=null]
Sphecia mandarina
 - Sphecia mandarina Le Cerf, 1917 [SYNONYM SPECIES 9893:6YXYJ nidx=null parent=98C97]
 + Sphecia mandarina Le Cerf, 1916 [SYNONYM SPECIES 9902:BCKX3 nidx=null parent=98C97]
Sphecia sinensis
 - Sphecia sinensis Walker, 1864 [SYNONYM SPECIES 9893:98DF3 nidx=null parent=57BFR]
 + Sphecia sinensis Walker, [1865] [SYNONYM SPECIES 9902:BDCVS nidx=null parent=BBDNB]
Sphecosesia melanostoma
 - Sphecosesia melanostoma Diakonoff, 1967 [ACCEPTED SPECIES 9893:6Z9Q2 nidx=null]
 + Sphecosesia melanostoma Diakonoff, [1968] [SYNONYM SPECIES 9902:BCKZJ nidx=null parent=BBDJF]
Sphinx banchiformis
 - Sphinx banchiformis Hübner [SYNONYM SPECIES 9893:4Z23G nidx=null parent=TKY6]
 + Sphinx banchiformis Hübner, [1813] [SYNONYM SPECIES 9902:BCL84 nidx=null parent=BDLQZ]
Sphinx bombyliformis
 - Sphinx bombyliformis Cramer, 1782 [SYNONYM SPECIES 9893:94DQH nidx=null parent=3ZKVK]
 + Sphinx bombyliformis Stoll, 1782 [SYNONYM SPECIES 9902:BDCVW nidx=null parent=B9T9C]
Sphinx brosiformis
 - Sphinx brosiformis Hübner [SYNONYM SPECIES 9893:4Z23L nidx=null parent=95CSQ]
 + Sphinx brosiformis Hübner, [1813] [SYNONYM SPECIES 9902:BCL85 nidx=null parent=B9TQT]
Sphinx chalciformis
 - Sphinx chalciformis Esper [SYNONYM SPECIES 9893:4Z23P nidx=null parent=93X2X]
 + Sphinx chalciformis Esper, [1804] [SYNONYM SPECIES 9902:BCL86 nidx=null parent=B98ZD]
Sphinx laphriaeformis
 - Sphinx laphriaeformis Hübner [SYNONYM SPECIES 9893:4Z24K nidx=null parent=948Z9]
 + Sphinx laphriaeformis Hübner, [1824-1825] [SYNONYM SPECIES 9902:BCL87 nidx=null parent=B9LYS]
Sphinx ophioniformis
 - Sphinx ophioniformis Hübner [SYNONYM SPECIES 9893:4Z252 nidx=null parent=53TKQ]
 + Sphinx ophioniformis Hübner, [1813] [SYNONYM SPECIES 9902:BCL89 nidx=null parent=53TKQ]
Sphinx rhagioniformis
 - Sphinx rhagioniformis Hübner [SYNONYM SPECIES 9893:4Z25B nidx=null parent=93VJW]
 + Sphinx rhagioniformis Hübner, [1806] [SYNONYM SPECIES 9902:BCL8B nidx=null parent=93VJW]
Sphinx systrophaeformis
 - Sphinx systrophaeformis Hübner [SYNONYM SPECIES 9893:4Z25K nidx=null parent=93VJW]
 + Sphinx systrophaeformis Hübner, [1813] [SYNONYM SPECIES 9902:BCL8C nidx=null parent=93VJW]
Sphinx tenthrediniformis
 - Sphinx tenthrediniformis (Esper, 1782 nec Esper, 1783) [MISAPPLIED SPECIES 9893:94DRL nidx=null parent=93Q6K]
 + Sphinx tenthrediniformis Esper, 1782 [AMBIGUOUS_SYNONYM SPECIES 9902:BDCW2 nidx=null parent=93Q6K]
Sphinx tineiformis
 - Sphinx tineiformis Esper, 1793 [SYNONYM SPECIES 9893:9498H nidx=null parent=94BJ7]
 + Sphinx tineiformis Esper, [1789] [SYNONYM SPECIES 9902:BDCW3 nidx=null parent=B9TQV]
Sphinx vespiformis
 - Sphinx vespiformis Hufnagel, 1766 [AMBIGUOUS_SYNONYM SPECIES 9893:4Z25T nidx=null parent=6YKPX]
 - Sphinx vespiformis Hübner, 1796 [AMBIGUOUS_SYNONYM SPECIES 9893:93NX9 nidx=null parent=93VJW]
 - Sphinx vespiformis Linnaeus, 1761 [AMBIGUOUS_SYNONYM SPECIES 9893:B7FYZ nidx=null parent=76JRF]
 - Sphinx vespiformis Linnaeus, 1761 [AMBIGUOUS_SYNONYM SPECIES 9893:B8JTM nidx=null parent=53TKZ]
 + Sphinx vespiformis Linnaeus, [1760] [SYNONYM SPECIES 9902:BCL8D nidx=null parent=BBD9R]
Spilonota (Epinotia) trigeminana
 - Spilonota (Epinotia) trigeminana Stephens, 1834 [SYNONYM SPECIES 9893:B5FBH nidx=null parent=6FPJX]
 + Spilonota (Epinotia) trigeminana Stephens, 1829 [SYNONYM SPECIES 9902:BDCW5 nidx=null parent=6FPJX]
Spilonota trigeminana
 - Spilonota trigeminana Stephens, 1834 [SYNONYM SPECIES 9893:B5FBJ nidx=null parent=6FPJX]
 + Spilonota trigeminana Stephens, 1829 [SYNONYM SPECIES 9902:BDCW4 nidx=null parent=6FPJX]
Spiximorpha
 - Spiximorpha [PROVISIONALLY_ACCEPTED GENUS 9893:9HP4W nidx=null]
 + Spiximorpha [ACCEPTED GENUS 9902:8ZC2C nidx=null]
Staurozoa
 - Staurozoa [ACCEPTED CLASS 9893:J8 nidx=null]
 + Staurozoa Marques & Collins, 2004 [ACCEPTED CLASS 9902:B8V42 nidx=null]
Stereocaulon dactylophyllum var. occidentale
 - Stereocaulon dactylophyllum var. occidentale (H. Magn.) Grummann [SYNONYM VARIETY 9893:7N34Y nidx=null parent=9YMGR]
 + Stereocaulon dactylophyllum var. occidentale (H. Magn.) Grummann [SYNONYM VARIETY 9902:BBLG9 nidx=null parent=9YMGR]
Stereocaulon macrocarpum var. argus
 - Stereocaulon macrocarpum var. argus (Hook. f. & Taylor) Zahlbr. [SYNONYM VARIETY 9893:B26B5 nidx=null parent=52DQZ]
 + Stereocaulon macrocarpum var. argus (Hook. f. & Taylor) Zahlbr. [SYNONYM VARIETY 9902:BBLGB nidx=null parent=52DQZ]
Stereocaulon pileatum f. pumilum
 - Stereocaulon pileatum f. pumilum (Nyl.) I.M. Lamb [SYNONYM FORM 9893:7MY96 nidx=null parent=52DSL]
 + Stereocaulon pileatum f. pumilum (Nyl.) I.M. Lamb [SYNONYM FORM 9902:BBLL4 nidx=null parent=52DSL]
Stereocaulon ramulosum f. crebratum
 - Stereocaulon ramulosum f. crebratum I.M. Lamb [SYNONYM FORM 9893:7N9X6 nidx=null parent=52DSR]
 + Stereocaulon ramulosum f. crebratum I.M. Lamb [SYNONYM FORM 9902:BBLL5 nidx=null parent=52DSR]
Stereocaulon ramulosum f. elegans
 - Stereocaulon ramulosum f. elegans Th. Fr. [SYNONYM FORM 9893:7MXWZ nidx=null parent=52DSR]
 + Stereocaulon ramulosum f. elegans Th. Fr. [SYNONYM FORM 9902:BBLL6 nidx=null parent=52DSR]
Stereocaulon ramulosum f. nudatum
 - Stereocaulon ramulosum f. nudatum (Müll. Arg.) I.M. Lamb [SYNONYM FORM 9893:7MY8Z nidx=null parent=52DSR]
 + Stereocaulon ramulosum f. nudatum (Müll. Arg.) I.M. Lamb [SYNONYM FORM 9902:BBLL7 nidx=null parent=52DSR]
Stereocaulon ramulosum f. subcompressum
 - Stereocaulon ramulosum f. subcompressum I.M. Lamb [SYNONYM FORM 9893:7MXWY nidx=null parent=52DSR]
 + Stereocaulon ramulosum f. subcompressum I.M. Lamb [SYNONYM FORM 9902:BBLL8 nidx=null parent=52DSR]
Stereocaulon saxatile var. evolutoides
 - Stereocaulon saxatile var. evolutoides (H. Magn.) Carlin & Carl.-Silv. [SYNONYM VARIETY 9893:B26BC nidx=null parent=52DSS]
 + Stereocaulon saxatile var. evolutoides (H. Magn.) Carlin & Carl.-Silv. [SYNONYM VARIETY 9902:BBLGC nidx=null parent=52DSS]
Stereocaulon spathuliferum f. dissolutum
 - Stereocaulon spathuliferum f. dissolutum (H. Magn.) I.M. Lamb [SYNONYM FORM 9893:7MY8Y nidx=null parent=52DSV]
 + Stereocaulon spathuliferum f. dissolutum (H. Magn.) I.M. Lamb [SYNONYM FORM 9902:BBLL9 nidx=null parent=52DSV]
Sticta crocata f. citrina
 - Sticta crocata f. citrina (Gyeln.) Zahlbr. [SYNONYM FORM 9893:9ZL63 nidx=null parent=4NVHH]
 + Sticta crocata f. citrina (Gyeln.) Zahlbr. [SYNONYM FORM 9902:BDH3W nidx=null parent=4NVHH]
Sticta scabrosa subsp. hawaiiensis
 - Sticta scabrosa subsp. hawaiiensis B. Moncada, Lücking & C.W. Sm. [SYNONYM SUBSPECIES 9893:9ZJM3 nidx=null parent=9ZG3M]
 + Sticta scabrosa subsp. hawaiiensis B. Moncada, Lücking & C.W. Sm. [SYNONYM SUBSPECIES 9902:BBJKG nidx=null parent=9ZG3M]
Stipagrostis hirtigluma var. patula
 - Stipagrostis hirtigluma var. patula (Hack.) De Winter [ACCEPTED VARIETY 9893:5RP98 nidx=null]
 + Stipagrostis hirtigluma var. patula (Hack.) De Winter [ACCEPTED VARIETY 9902:BBLGN nidx=null]
Stipagrostis hirtigluma var. pearsonii
 - Stipagrostis hirtigluma var. pearsonii (Henrard) De Winter [ACCEPTED VARIETY 9893:5RP99 nidx=null]
 + Stipagrostis hirtigluma var. pearsonii (Henrard) De Winter [ACCEPTED VARIETY 9902:BBLGP nidx=null]
Streblopotamia
 - Streblopotamia Razowski & Wojtusiak, 2012 [SYNONYM GENUS 9893:B4GTR nidx=null parent=94NR2]
 + Streblopotamia Razowski & Brown, 2018 [ACCEPTED GENUS 9902:BC6CB nidx=null]
Strepsiptera
 - Strepsiptera [ACCEPTED ORDER 9893:465 nidx=null]
 + Strepsiptera Kirby, 1813 [ACCEPTED ORDER 9902:B8VF6 nidx=null]
Streptaxis discus
 - Streptaxis discus L. Pfeiffer, 1851 [SYNONYM SPECIES 9893:52XK4 nidx=null parent=36S99]
 + Streptaxis discus L. Pfeiffer, 1853 [SYNONYM SPECIES 9902:BCHHP nidx=null parent=BB4WV]
Strigula argyronema var. confluens
 - Strigula argyronema var. confluens Müll. Arg. [SYNONYM VARIETY 9893:B26BL nidx=null parent=B2SWK]
 + Strigula argyronema var. confluens Müll. Arg. [SYNONYM VARIETY 9902:BDH3G nidx=null parent=B2SWK]
Strigula stigmatella var. alpestris
 - Strigula stigmatella var. alpestris (Vězda) Coppins [SYNONYM VARIETY 9893:5RPGT nidx=null parent=B2SX5]
 + Strigula stigmatella var. alpestris (Vězda) Coppins [SYNONYM VARIETY 9902:BBLGQ nidx=null parent=B2SX5]
Strongylophthalmyia pengellyi
 - Strongylophthalmyia pengellyi Barber, 2006 [ACCEPTED SPECIES 9893:6ZYKD nidx=null]
 + Strongylophthalmyia pengellyi Barber, 2007 [ACCEPTED SPECIES 9902:BB3S6 nidx=null]
Stygodyticola
 - Stygodyticola Matjasic, 1958 [ACCEPTED GENUS 9893:7Q37M nidx=null]
 + Stygodyticola Matjašič, 1957 [ACCEPTED GENUS 9902:B924S nidx=null]
Stygodyticola hadzii
 - Stygodyticola hadzii Matjasic, 1958 [ACCEPTED SPECIES 9893:538R5 nidx=null]
 + Stygodyticola hadzii Matjašič, 1957 [ACCEPTED SPECIES 9902:BCHNV nidx=null]
Stylochirus
 - Stylochirus [ACCEPTED GENUS 9893:7PQX nidx=null]
 + Stylochirus G. Canestrini & R. Canestrini, 1882 [ACCEPTED GENUS 9902:B924T nidx=null]
Styloniscus gracilis gracilis
 - Styloniscus gracilis gracilis Dana, 1856 [SYNONYM SUBSPECIES 9893:84FMG nidx=null parent=7GYZZ]
 + Styloniscus gracilis gracilis Dana, 1854 [SYNONYM SUBSPECIES 9902:BCRPF nidx=null parent=7GYZZ]
Subanguina
 - Subanguina [ACCEPTED GENUS 9893:7PWR nidx=null]
 + Subanguina Paramonov, 1967 [ACCEPTED GENUS 9902:B8WBX nidx=null]
Subtelsonia
 - Subtelsonia Matjasic, 1958 [ACCEPTED GENUS 9893:7Q3BC nidx=null]
 + Subtelsonia Matjašič, 1957 [ACCEPTED GENUS 9902:B924V nidx=null]
Subtelsonia perianalis
 - Subtelsonia perianalis Matjasic, 1958 [ACCEPTED SPECIES 9893:53DNQ nidx=null]
 + Subtelsonia perianalis Matjašič, 1957 [ACCEPTED SPECIES 9902:BCHQV nidx=null]
Succinea elegantior
 - Succinea elegantior Annandale, 1921 [ACCEPTED SPECIES 9893:7T9JT nidx=null]
 + Succinea elegantior Amin-ud-Din, 1921 [ACCEPTED SPECIES 9902:BCHR8 nidx=null]
Sudanonautes (Sudanonautes) decazei
 - Sudanonautes (Sudanonautes) decazei [SYNONYM SPECIES 9893:84HCH nidx=null parent=7B2YW]
 + Sudanonautes (Sudanonautes) decazei (A. Milne-Edwards, 1886) [SYNONYM SPECIES 9902:BCHRC nidx=null parent=7B2YW]
Sulcaria sulcata f. vulpinoides
 - Sulcaria sulcata f. vulpinoides (Zahlbr.) D. Hawksw. [SYNONYM FORM 9893:9ZL64 nidx=null parent=9ZG8H]
 + Sulcaria sulcata f. vulpinoides (Zahlbr.) D. Hawksw. [SYNONYM FORM 9902:BBLLC nidx=null parent=9ZG8H]
Sura cyanolampra
 - Sura cyanolampra Diakonoff, 1967 [ACCEPTED SPECIES 9893:53H5J nidx=null]
 + Sura cyanolampra Diakonoff, [1968] [SYNONYM SPECIES 9902:BCLVB nidx=null parent=BDLN6]
Sura ignicauda
 - Sura ignicauda (Hampson, 1919) [ACCEPTED SPECIES 9893:53H5K nidx=null]
 + Sura ignicauda (Hampson, [1893] ) [ACCEPTED SPECIES 9902:BCLVC nidx=null]
Sura tetrapora
 - Sura tetrapora Diakonoff, 1967 [ACCEPTED SPECIES 9893:53H5S nidx=null]
 + Sura tetrapora Diakonoff, [1968] [SYNONYM SPECIES 9902:BCLVD nidx=null parent=BBBKM]
Sylphidia modesta
 - Sylphidia modesta Le Cerf, 1917 [SYNONYM SPECIES 9893:98GGJ nidx=null parent=6G8FV]
 + Sylphidia modesta Le Cerf, 1916 [SYNONYM SPECIES 9902:BDCZ3 nidx=null parent=B9LH4]
Symplecta (Podoneura)
 - Symplecta (Podoneura) Bergroth, 1888 [ACCEPTED SUBGENUS 9893:8GNG2 nidx=null]
 + Symplecta (Podoneura) Bergroth, 1888 [ACCEPTED SUBGENUS 9902:B8ZQH nidx=null]
Symplecta (Psiloconopa)
 - Symplecta (Psiloconopa) Zetterstedt, 1838 [ACCEPTED SUBGENUS 9893:8G29D nidx=null]
 + Symplecta (Psiloconopa) Zetterstedt, 1838 [ACCEPTED SUBGENUS 9902:B8ZQR nidx=null]
Synanthedon aequalis
 - Synanthedon aequalis (Walker, 1864) [ACCEPTED SPECIES 9893:53TD9 nidx=null]
 + Synanthedon aequalis (Walker, [1865] ) [ACCEPTED SPECIES 9902:BCLXH nidx=null]
Synanthedon anisozona
 - Synanthedon anisozona (Meyrick, 1919) [ACCEPTED SPECIES 9893:98GLD nidx=null]
 + Synanthedon anisozona (Meyrick, 1918) [ACCEPTED SPECIES 9902:BDCZ8 nidx=null]
Synanthedon apicalis
 - Synanthedon apicalis (Walker, 1864) [ACCEPTED SPECIES 9893:53TDH nidx=null]
 + Synanthedon apicalis (Walker, [1865] ) [ACCEPTED SPECIES 9902:BBD85 nidx=null]
Synanthedon chrysostetha
 - Synanthedon chrysostetha Diakonoff, 1967 [SYNONYM SPECIES 9893:98GLT nidx=null parent=3BZXV]
 + Synanthedon chrysostetha Diakonoff, [1968] [SYNONYM SPECIES 9902:BDCZ9 nidx=null parent=BDM7S]
Synanthedon cirrhozona
 - Synanthedon cirrhozona Diakonoff, 1967 [ACCEPTED SPECIES 9893:7B88F nidx=null]
 + Synanthedon cirrhozona Diakonoff, [1968] [ACCEPTED SPECIES 9902:BBD8L nidx=null]
Synanthedon cubana
 - Synanthedon cubana (Herrich-Schäffer, 1867) [ACCEPTED SPECIES 9893:7B877 nidx=null]
 + Synanthedon cubana (Herrich-Schäffer, 1866) [ACCEPTED SPECIES 9902:BBD8P nidx=null]
Synanthedon dasyproctos
 - Synanthedon dasyproctos (Zukowsky, 1937) [ACCEPTED SPECIES 9893:98GM2 nidx=null]
 + Synanthedon dasyproctos (Zukowsky, 1936) [ACCEPTED SPECIES 9902:BDCZB nidx=null]
Synanthedon flava
 - Synanthedon flava (Moore, 1879) [ACCEPTED SPECIES 9893:98GM5 nidx=null]
 + Synanthedon flava (Edwards, 1881) [SYNONYM SPECIES 9902:BDCZC nidx=null parent=BDKPR]
Synanthedon flavicincta
 - Synanthedon flavicincta (Hampson, 1892) [ACCEPTED SPECIES 9893:98GM7 nidx=null]
 + Synanthedon flavicincta (Hampson, [1893] ) [ACCEPTED SPECIES 9902:BDCZD nidx=null]
Synanthedon guineabia
 - Synanthedon guineabia (Strand, 1912) [ACCEPTED SPECIES 9893:94WST nidx=null]
 + Synanthedon guineabia (Strand, [1913] ) [ACCEPTED SPECIES 9902:BBD8Y nidx=null]
Synanthedon ignifera
 - Synanthedon ignifera (Hampson, 1892) [ACCEPTED SPECIES 9893:98GMF nidx=null]
 + Synanthedon ignifera (Hampson, [1893] ) [ACCEPTED SPECIES 9902:BDCZG nidx=null]
Synanthedon martjanovi
 - Synanthedon martjanovi Sheljuzhko, 1919 [ACCEPTED SPECIES 9893:93Q6L nidx=null]
 + Synanthedon martjanovi Sheljuzhko, 1918 [ACCEPTED SPECIES 9902:53TH7 nidx=null]
Synanthedon producta
 - Synanthedon producta (Walker, 1864) [ACCEPTED SPECIES 9893:53TJB nidx=null]
 + Synanthedon producta (Matsumura, 1931) [ACCEPTED SPECIES 9902:BBD97 nidx=null]
Synanthedon pulchripennis
 - Synanthedon pulchripennis (Walker, 1864) [ACCEPTED SPECIES 9893:7B86T nidx=null]
 + Synanthedon pulchripennis (Walker, [1865] ) [ACCEPTED SPECIES 9902:BBD98 nidx=null]
Synanthedon rhodothictis
 - Synanthedon rhodothictis (Meyrick, 1919) [ACCEPTED SPECIES 9893:98GMQ nidx=null]
 + Synanthedon rhodothictis (Meyrick, 1918) [ACCEPTED SPECIES 9902:BDCZJ nidx=null]
Synanthedon sphenodes
 - Synanthedon sphenodes Diakonoff, 1967 [ACCEPTED SPECIES 9893:53TKF nidx=null]
 + Synanthedon sphenodes Diakonoff, [1968] [ACCEPTED SPECIES 9902:BCLXS nidx=null]
Synanthedon unicincta
 - Synanthedon unicincta (Hampson, 1892) [ACCEPTED SPECIES 9893:98GN9 nidx=null]
 + Synanthedon unicincta (Hampson, [1893] ) [SYNONYM SPECIES 9902:BDCZN nidx=null parent=BDKPT]
Synanthedon versicolor
 - Synanthedon versicolor Le Cerf, 1915 [ACCEPTED SPECIES 9893:98GND nidx=null]
 + Synanthedon versicolor Le Cerf, 1916 [ACCEPTED SPECIES 9902:BDCZP nidx=null]
Synanthedon vespiformis
 - Synanthedon vespiformis (Linnaeus, 1761) [ACCEPTED SPECIES 9893:53TKZ nidx=null]
 - Synanthedon vespiformis Le Cerf, 1920 [SYNONYM SPECIES 9893:93Q6V nidx=null parent=53TKZ]
 + Synanthedon vespiformis (Linnaeus, [1760] ) [ACCEPTED SPECIES 9902:BBD9R nidx=null]
Synanthedon vespiformis f. quadriannulata
 - Synanthedon vespiformis f. quadriannulata Schnaider, 1948 [SYNONYM FORM 9893:992WG nidx=null parent=53TKZ]
 + Synanthedon vespiformis f. quadriannulata Schnaider, 1942 [SYNONYM FORM 9902:BDGS3 nidx=null parent=BBD9R]
Synanthedon xanthosoma
 - Synanthedon xanthosoma (Hampson, 1892) [ACCEPTED SPECIES 9893:98GNJ nidx=null]
 + Synanthedon xanthosoma (Hampson, [1893] ) [ACCEPTED SPECIES 9902:BDCZQ nidx=null]
Tachina auronitens
 - Tachina auronitens Hartig, 1837 [SYNONYM SPECIES 9893:7BDPS nidx=null parent=6JPG6]
 + Tachina auronitens Hartig, 1838 [SYNONYM SPECIES 9902:BB4Y3 nidx=null parent=6JPG6]
Tachina bimaculata
 - Tachina bimaculata Hartig, 1837 [AMBIGUOUS_SYNONYM SPECIES 9893:7BDP3 nidx=null parent=37PGD]
 + Tachina bimaculata Hartig, 1838 [AMBIGUOUS_SYNONYM SPECIES 9902:BB4Y4 nidx=null parent=37PGD]
Tachina erythrostoma
 - Tachina erythrostoma Hartig, 1837 [SYNONYM SPECIES 9893:8FBRN nidx=null parent=77DQK]
 + Tachina erythrostoma Hartig, 1838 [SYNONYM SPECIES 9902:BB4Y5 nidx=null parent=B9XPB]
Tachina janitrix
 - Tachina janitrix Hartig, 1837 [SYNONYM SPECIES 9893:8FBW9 nidx=null parent=5Y32N]
 + Tachina janitrix Hartig, 1838 [SYNONYM SPECIES 9902:BB4Y7 nidx=null parent=B99GZ]
Tachina nigra
 - Tachina nigra Hartig, 1837 [AMBIGUOUS_SYNONYM SPECIES 9893:54B2J nidx=null parent=567G3]
 + Tachina nigra Hartig, 1838 [AMBIGUOUS_SYNONYM SPECIES 9902:BB4YG nidx=null parent=567G3]
Tachina ruficauda
 - Tachina ruficauda Šuster, 1929 [ACCEPTED SPECIES 9893:54B6Y nidx=null]
 + Tachina ruficauda Zetterstedt, 1837 [SYNONYM SPECIES 9902:BB4Y2 nidx=null parent=8DPY9]
Tachina tenthredinum
 - Tachina tenthredinum Hartig, 1837 [SYNONYM SPECIES 9893:54B9G nidx=null parent=LNGX]
 + Tachina tenthredinum Hartig, 1838 [SYNONYM SPECIES 9902:BB4Z8 nidx=null parent=LNGX]
Tachydromia tectifrons
 - Tachydromia tectifrons Becker, 1908 [SYNONYM SPECIES 9893:8FCGF nidx=null parent=4JVCS]
 + Tachydromia tectifrons Becker, 1907 [SYNONYM SPECIES 9902:BB4ZT nidx=null parent=B9Z58]
Tachypeza yinyang
 - Tachypeza yinyang Papp & Földvári, 2001 [ACCEPTED SPECIES 9893:54CWZ nidx=null]
 + Tachypeza yinyang Papp & Földvári, 2002 [ACCEPTED SPECIES 9902:BB522 nidx=null]
Talorchestia tumida
 - Talorchestia tumida Thomson, 1885 [SYNONYM SPECIES 9893:54M2F nidx=null parent=5WH56]
 + Talorchestia tumida Stebbing, 1887 [SYNONYM SPECIES 9902:BCJ37 nidx=null parent=BDLBZ]
Tanaidacea
 - Tanaidacea [ACCEPTED ORDER 9893:46Z nidx=null]
 + Tanaidacea Dana, 1849 [ACCEPTED ORDER 9902:B8TXY nidx=null]
Tantulocarida
 - Tantulocarida [ACCEPTED CLASS 9893:924GR nidx=null]
 + Tantulocarida Boxshall & Lincoln, 1983 [ACCEPTED CLASS 9902:B8WKH nidx=null]
Tasiocera (Dasymolophilus)
 - Tasiocera (Dasymolophilus) Goetghebuer, 1920 [ACCEPTED SUBGENUS 9893:8GN6X nidx=null]
 + Tasiocera (Dasymolophilus) Goetghebuer, 1920 [ACCEPTED SUBGENUS 9902:B8ZP5 nidx=null]
Taurasia niasensis
 - Taurasia niasensis Beets, 1985 [SYNONYM SPECIES 9893:54Z86 nidx=null parent=7BNLS]
 + Taurasia niasensis Beets, 1984 [SYNONYM SPECIES 9902:BCJ5Q nidx=null parent=7BNLS]
Taurasia pendopoensis
 - Taurasia pendopoensis Beets, 1985 [SYNONYM SPECIES 9893:54Z88 nidx=null parent=789DC]
 + Taurasia pendopoensis Beets, 1984 [SYNONYM SPECIES 9902:BCJ5R nidx=null parent=789DC]
Teloschistes fasciculatus var. nodulosus
 - Teloschistes fasciculatus var. nodulosus Js. Murray [SYNONYM VARIETY 9893:5RRKR nidx=null parent=9ZGG5]
 + Teloschistes fasciculatus var. nodulosus Js. Murray [SYNONYM VARIETY 9902:BBLGZ nidx=null parent=9ZGG5]
Teloschistes parietinus var. polycarpus
 - Teloschistes parietinus var. polycarpus (Hoffm.) Tuck. [SYNONYM VARIETY 9893:B2PBJ nidx=null parent=4L3HH]
 + Teloschistes parietinus var. polycarpus (Hoffm.) Tuck. [SYNONYM VARIETY 9902:BDGQ2 nidx=null parent=4L3HH]
Teloschistes spinosus f. subteres
 - Teloschistes spinosus f. subteres Filson [SYNONYM FORM 9893:5T2SP nidx=null parent=9ZPWB]
 + Teloschistes spinosus f. subteres Filson [SYNONYM FORM 9902:BBLLF nidx=null parent=9ZPWB]
Teloschistes villosus var. stenophyllus
 - Teloschistes villosus var. stenophyllus Tav. [SYNONYM VARIETY 9893:9ZKZ3 nidx=null parent=4WB64]
 + Teloschistes villosus var. stenophyllus Tav. [SYNONYM VARIETY 9902:BDH3H nidx=null parent=4WB64]
Tephritis nebulosa
 - Tephritis nebulosa (Becker, 1908) [ACCEPTED SPECIES 9893:55C49 nidx=null]
 + Tephritis nebulosa (Becker, 1907) [ACCEPTED SPECIES 9902:BB5FQ nidx=null]
Tephritis puncta
 - Tephritis puncta (Becker, 1908) [ACCEPTED SPECIES 9893:55C5L nidx=null]
 + Tephritis puncta (Becker, 1907) [ACCEPTED SPECIES 9902:BB5FR nidx=null]
Tephritis variata
 - Tephritis variata (Becker, 1908) [ACCEPTED SPECIES 9893:55C7N nidx=null]
 + Tephritis variata (Becker, 1907) [ACCEPTED SPECIES 9902:BB5FS nidx=null]
Terebratulina unguicula
 - Terebratulina unguicula (Carpenter, 1864) [ACCEPTED SPECIES 9893:7C3V9 nidx=null]
 + Terebratulina unguicula (Carpenter, 1865) [ACCEPTED SPECIES 9902:B8VQZ nidx=null]
Tetraneura (Tetraneura) indica
 - Tetraneura (Tetraneura) indica [ACCEPTED SPECIES 9893:55Q3W nidx=null]
 + Tetraneura (Tetraneura) indica [ACCEPTED SPECIES 9902:BCMDM nidx=null]
Tetraneura (Tetraneura) radicicola
 - Tetraneura (Tetraneura) radicicola [ACCEPTED SPECIES 9893:B7G9R nidx=null]
 + Tetraneura (Tetraneura) radicicola [ACCEPTED SPECIES 9902:BCMDX nidx=null]
Tetraneura (Tetraneurella) chinensis
 - Tetraneura (Tetraneurella) chinensis [ACCEPTED SPECIES 9893:9KXJM nidx=null]
 + Tetraneura (Tetraneurella) chinensis [ACCEPTED SPECIES 9902:BCMDH nidx=null]
Teuchophorus bisetus
 - Teuchophorus bisetus Lolew, 1871 [ACCEPTED SPECIES 9893:9HKYN nidx=null]
 + Teuchophorus bisetus Loew, 1871 [ACCEPTED SPECIES 9902:BB5K7 nidx=null]
Thalamita acanthophallus
 - Thalamita acanthophallus Chen & Yang, 2008 [SYNONYM SPECIES 9893:7Z5LL nidx=null parent=84HDT]
 + Thalamita acanthophallus Chen & Yang, 2008 [ACCEPTED SPECIES 9902:55Z3Z nidx=null]
Thalamita anomala
 - Thalamita anomala Stephenson & Hudson, 1957 [SYNONYM SPECIES 9893:7X2F9 nidx=null parent=84GC4]
 + Thalamita anomala Stephenson & Hudson, 1957 [ACCEPTED SPECIES 9902:55Z45 nidx=null]
Thalamita cerasma
 - Thalamita cerasma Wee & Ng, 1995 [SYNONYM SPECIES 9893:7Z5LM nidx=null parent=84HCZ]
 + Thalamita cerasma Wee & Ng, 1995 [ACCEPTED SPECIES 9902:7BTDV nidx=null]
Thalamita coeruleipes
 - Thalamita coeruleipes Hombron & Jacquinot, 1846 [SYNONYM SPECIES 9893:7X2FB nidx=null parent=84HD2]
 + Thalamita coeruleipes Hombron & Jacquinot, 1846 [ACCEPTED SPECIES 9902:55Z4H nidx=null]
Thalamita cooperi
 - Thalamita cooperi Borradaile, 1902 [SYNONYM SPECIES 9893:7Z5LN nidx=null parent=84HDV]
 + Thalamita cooperi Borradaile, 1902 [ACCEPTED SPECIES 9902:55Z4J nidx=null]
Thalamita corrugata
 - Thalamita corrugata Stephenson & Rees, 1961 [SYNONYM SPECIES 9893:7Z5LP nidx=null parent=84HDW]
 + Thalamita corrugata Stephenson & Rees, 1961 [ACCEPTED SPECIES 9902:55Z4K nidx=null]
Thalamita crenata
 - Thalamita crenata Rüppell, 1830 [SYNONYM SPECIES 9893:7X2FC nidx=null parent=84HD3]
 + Thalamita crenata Rüppell, 1830 [ACCEPTED SPECIES 9902:55Z4M nidx=null]
Thalamita crosnieri
 - Thalamita crosnieri Vannini, 1983 [SYNONYM SPECIES 9893:7Z5LR nidx=null parent=84HDX]
 + Thalamita crosnieri Vannini, 1983 [ACCEPTED SPECIES 9902:55Z4N nidx=null]
Thalamita danae
 - Thalamita danae Stimpson, 1858 [SYNONYM SPECIES 9893:7Z5LS nidx=null parent=84HD4]
 + Thalamita danae Stimpson, 1858 [ACCEPTED SPECIES 9902:55Z4Q nidx=null]
Thalamita demani
 - Thalamita demani Nobili, 1906 [SYNONYM SPECIES 9893:7Z5LT nidx=null parent=9G8F4]
 + Thalamita demani Nobili, 1906 [ACCEPTED SPECIES 9902:55Z4S nidx=null]
Thalamita gracilipes
 - Thalamita gracilipes (A. Milne-Edwards, 1873) [SYNONYM SPECIES 9893:7Z5LW nidx=null parent=7Z5MY]
 + Thalamita gracilipes (A. Milne-Edwards, 1873) [ACCEPTED SPECIES 9902:55Z53 nidx=null]
Thalamita hanseni
 - Thalamita hanseni Alcock, 1899 [SYNONYM SPECIES 9893:7Z5LY nidx=null parent=84HDZ]
 + Thalamita hanseni Alcock, 1899 [ACCEPTED SPECIES 9902:55Z56 nidx=null]
Thalamita holthuisi
 - Thalamita holthuisi Stephenson, 1975 [SYNONYM SPECIES 9893:7Z5LZ nidx=null parent=84HD7]
 + Thalamita holthuisi Stephenson, 1975 [ACCEPTED SPECIES 9902:55Z59 nidx=null]
Thalamita invicta
 - Thalamita invicta Thallwitz, 1891 [SYNONYM SPECIES 9893:7Z5M4 nidx=null parent=84HF2]
 + Thalamita invicta Thallwitz, 1891 [ACCEPTED SPECIES 9902:55Z5G nidx=null]
Thalamita pelsarti
 - Thalamita pelsarti Montgomery, 1931 [SYNONYM SPECIES 9893:7Z5M8 nidx=null parent=84HD9]
 + Thalamita pelsarti Montgomery, 1931 [ACCEPTED SPECIES 9902:7C5DT nidx=null]
Thalamita prymna
 - Thalamita prymna (Herbst, 1803) [SYNONYM SPECIES 9893:7Z5MC nidx=null parent=84HDB]
 + Thalamita prymna (Herbst, 1803) [ACCEPTED SPECIES 9902:55Z6K nidx=null]
Thalamita pseudopelsarti
 - Thalamita pseudopelsarti Crosnier, 2002 [SYNONYM SPECIES 9893:7Z5MD nidx=null parent=84HDC]
 + Thalamita pseudopelsarti Crosnier, 2002 [ACCEPTED SPECIES 9902:55Z6M nidx=null]
Thalamita quadridentata
 - Thalamita quadridentata Dai, Cai & Yang, 1996 [SYNONYM SPECIES 9893:7Z5MG nidx=null parent=84HF4]
 + Thalamita quadridentata Dai, Cai & Yang, 1996 [ACCEPTED SPECIES 9902:55Z6R nidx=null]
Thalamita rubridens
 - Thalamita rubridens Apel & Spiridonov, 1998 [SYNONYM SPECIES 9893:7Z5MH nidx=null parent=84HDD]
 + Thalamita rubridens Apel & Spiridonov, 1998 [ACCEPTED SPECIES 9902:55Z6V nidx=null]
Thalamita sankarankuttyi
 - Thalamita sankarankuttyi Crosnier & Thomassin, 1975 [SYNONYM SPECIES 9893:7Z5MJ nidx=null parent=9G9JW]
 + Thalamita sankarankuttyi Crosnier & Thomassin, 1975 [ACCEPTED SPECIES 9902:55Z6W nidx=null]
Thalamita spinicarpa
 - Thalamita spinicarpa Wee & Ng, 1995 [SYNONYM SPECIES 9893:7Z5MK nidx=null parent=84HDF]
 + Thalamita spinicarpa Wee & Ng, 1995 [ACCEPTED SPECIES 9902:55Z76 nidx=null]
Thalamita spinimana
 - Thalamita spinimana Dana, 1852 [SYNONYM SPECIES 9893:7Z5ML nidx=null parent=84HDG]
 + Thalamita spinimana Dana, 1852 [ACCEPTED SPECIES 9902:55Z78 nidx=null]
Thalamita squamosa
 - Thalamita squamosa Stephenson & Hudson, 1957 [SYNONYM SPECIES 9893:7Z5MN nidx=null parent=84HF7]
 + Thalamita squamosa Stephenson & Hudson, 1957 [ACCEPTED SPECIES 9902:7BTGB nidx=null]
Thalamita taprobanica
 - Thalamita taprobanica Alcock, 1899 [SYNONYM SPECIES 9893:7Z5MR nidx=null parent=84HF8]
 + Thalamita taprobanica Alcock, 1899 [ACCEPTED SPECIES 9902:7C5GB nidx=null]
Thalamita tenuipes
 - Thalamita tenuipes Borradaile, 1902 [SYNONYM SPECIES 9893:7Z5MS nidx=null parent=84HDJ]
 + Thalamita tenuipes Borradaile, 1902 [ACCEPTED SPECIES 9902:55Z7F nidx=null]
Thalamita williami
 - Thalamita williami Spiridonov, 2017 [SYNONYM SPECIES 9893:7Z5MV nidx=null parent=84HDK]
 + Thalamita williami Spiridonov, 2017 [ACCEPTED SPECIES 9902:55Z7K nidx=null]
Thalamonyx gracilipes
 - Thalamonyx gracilipes A. Milne-Edwards, 1873 [ACCEPTED SPECIES 9893:7Z5MY nidx=null]
 + Thalamonyx gracilipes A. Milne-Edwards, 1873 [SYNONYM SPECIES 9902:7BTGC nidx=null parent=55Z53]
Thaliacea
 - Thaliacea [ACCEPTED CLASS 9893:JL nidx=null]
 + Thaliacea Van der Haeven, 1850 [ACCEPTED CLASS 9902:B8VDW nidx=null]
Thamnasteria
 - Thamnasteria LeSauvage, 1823 [ACCEPTED GENUS 9893:85JJT nidx=null]
 - Thamnasteria LeSauvage, 1823 [PROVISIONALLY_ACCEPTED GENUS 9893:8G23B nidx=null]
 + Thamnasteria Le Sauvage, 1823 [PROVISIONALLY_ACCEPTED GENUS 9902:B93DV nidx=null]
 + Thamnasteria Le Sauvage, 1823 [ACCEPTED GENUS 9902:B93DW nidx=null]
Thamnasteria lamourouxii
 - Thamnasteria lamourouxii Lesauvage, 1823 [SYNONYM SPECIES 9893:8KQSF nidx=null parent=8K4HZ]
 + Thamnasteria lamourouxii Le Sauvage, 1823 [AMBIGUOUS_SYNONYM SPECIES 9902:BCKBK nidx=null parent=8K4HZ]
 + Thamnasteria lamourouxii Le Sauvage, 1824 [ACCEPTED SPECIES 9902:BCKBL nidx=null]
Thamnolia vermicularis subsp. taurica
 - Thamnolia vermicularis subsp. taurica (Wulfen) P.M. Jørg. [SYNONYM SUBSPECIES 9893:5LH8Z nidx=null parent=563FK]
 + Thamnolia vermicularis subsp. taurica (Wulfen) P.M. Jørg. [SYNONYM SUBSPECIES 9902:BBJMY nidx=null parent=563FK]
Thamnolia vermicularis subsp. tundrae
 - Thamnolia vermicularis subsp. tundrae (Brännström & Tibell) P.M. Jørg. [SYNONYM SUBSPECIES 9893:5LH92 nidx=null parent=563FM]
 + Thamnolia vermicularis subsp. tundrae (Brännström & Tibell) P.M. Jørg. [SYNONYM SUBSPECIES 9902:BBJMZ nidx=null parent=563FM]
Thamnotettix tornellus
 - Thamnotettix tornellus (Zetterstedt, 1828) [SYNONYM SPECIES 9893:B8KN5 nidx=null parent=X2RW]
 + Thamnotettix tornellus (Zetterstedt, 1828) [SYNONYM SPECIES 9902:BCND8 nidx=null parent=X2RW]
Thelecarcinus
 - Thelecarcinus Böhm, 1922 [ACCEPTED GENUS 9893:9WXLR nidx=null]
 + Thelecarcinus Böhm, 1891 [ACCEPTED GENUS 9902:BBQNY nidx=null]
Thelecarcinus guembeli
 - Thelecarcinus guembeli Böhm, 1922 [ACCEPTED SPECIES 9893:9WY3P nidx=null]
 + Thelecarcinus guembeli Böhm, 1891 [ACCEPTED SPECIES 9902:BCKC8 nidx=null]
Thelepus vaughani
 - Thelepus vaughani Gravier, 1906 [ACCEPTED SPECIES 9893:5687V nidx=null]
 + Thelepus vaughani Gravier, 1905 [ACCEPTED SPECIES 9902:BBP6C nidx=null]
Themara jacobsoni
 - Themara jacobsoni Meijere, 1916 [ACCEPTED SPECIES 9893:56B97 nidx=null]
 + Themara jacobsoni Meijere, 1914 [ACCEPTED SPECIES 9902:BB5KD nidx=null]
Thermosbaenacea
 - Thermosbaenacea [ACCEPTED ORDER 9893:483 nidx=null]
 + Thermosbaenacea Monod, 1927 [ACCEPTED ORDER 9902:B8VF7 nidx=null]
Thysanophora pruinosa
 - Thysanophora pruinosa (L. Pfeiffer, 1852) [ACCEPTED SPECIES 9893:7TCNQ nidx=null]
 + Thysanophora pruinosa (Reeve, 1852) [ACCEPTED SPECIES 9902:BCKF9 nidx=null]
Thysanophora santanaensis
 - Thysanophora santanaensis (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7TCNR nidx=null]
 + Thysanophora santanaensis (Reeve, 1854) [ACCEPTED SPECIES 9902:BCKFB nidx=null]
Tinthia cupreipennis
 - Tinthia cupreipennis (Walker, 1864) [ACCEPTED SPECIES 9893:7CD6P nidx=null]
 + Tinthia cupreipennis (Walker, [1865] ) [ACCEPTED SPECIES 9902:BBDM3 nidx=null]
Tinthia lambornella
 - Tinthia lambornella Durrant, 1913 [SYNONYM SPECIES 9893:98L74 nidx=null parent=7CQ4Z]
 + Tinthia lambornella Durrant, 1914 [SYNONYM SPECIES 9902:BDD55 nidx=null parent=B9B77]
Tinthia mianjangalica
 - Tinthia mianjangalica La tuvka, 1997 [ACCEPTED SPECIES 9893:98L76 nidx=null]
 + Tinthia mianjangalica Laštuvka, 1997 [ACCEPTED SPECIES 9902:BBDM4 nidx=null]
Tinthia variegata
 - Tinthia variegata Walker, 1864 [SYNONYM SPECIES 9893:98L77 nidx=null parent=96TBG]
 + Tinthia variegata Walker, [1865] [SYNONYM SPECIES 9902:BDD56 nidx=null parent=B9QYT]
Tinthia varipes
 - Tinthia varipes Walker, 1864 [ACCEPTED SPECIES 9893:573TG nidx=null]
 + Tinthia varipes Walker, [1865] [ACCEPTED SPECIES 9902:BBDM5 nidx=null]
Tinthiinae
 - Tinthiinae [ACCEPTED SUBFAMILY 9893:93N2V nidx=null]
 + Tinthiinae Le Cerf, 1917 [ACCEPTED SUBFAMILY 9902:B8X5G nidx=null]
Tipula longicornis
 - Tipula longicornis (Linnaeus, 1758) [PROVISIONALLY_ACCEPTED SPECIES 9893:9KXTR nidx=null]
 - Tipula longicornis Linnaeus, 1758 [AMBIGUOUS_SYNONYM SPECIES 9893:9KXTS nidx=null parent=9KXTR]
 + Tipula longicornis Doleschall, 1859 [AMBIGUOUS_SYNONYM SPECIES 9902:BB8JX nidx=null parent=5767V]
 + Tipula longicornis Doleschall, 1859 [AMBIGUOUS_SYNONYM SPECIES 9902:BB8JY nidx=null parent=8GPC7]
 + Tipula longicornis Doleschall, 1859 [AMBIGUOUS_SYNONYM SPECIES 9902:BB8JZ nidx=null parent=574PW]
Tipulamima flavifrons
 - Tipulamima flavifrons Holland, 1894 [ACCEPTED SPECIES 9893:576Z4 nidx=null]
 + Tipulamima flavifrons Holland, 1893 [ACCEPTED SPECIES 9902:BBDM8 nidx=null]
Tipulamima ivondro
 - Tipulamima ivondro Viette, 1966 [ACCEPTED SPECIES 9893:576Z6 nidx=null]
 + Tipulamima ivondro Viette, [1955] [SYNONYM SPECIES 9902:BBDMC nidx=null parent=BBFCV]
Tirista argentifrons
 - Tirista argentifrons Walker, 1864 [ACCEPTED SPECIES 9893:5779D nidx=null]
 + Tirista argentifrons Walker, [1865] [ACCEPTED SPECIES 9902:BBDMF nidx=null]
Toleria abiaeformis
 - Toleria abiaeformis Walker, 1864 [ACCEPTED SPECIES 9893:57BFQ nidx=null]
 + Toleria abiaeformis Walker, [1865] [ACCEPTED SPECIES 9902:BBDN7 nidx=null]
Toleria aegerides
 - Toleria aegerides (Strand, 1915) [ACCEPTED SPECIES 9893:98LCK nidx=null]
 + Toleria aegerides (Strand, [1916] ) [ACCEPTED SPECIES 9902:BBDN8 nidx=null]
Toleria sinensis
 - Toleria sinensis (Walker, 1864) [ACCEPTED SPECIES 9893:57BFR nidx=null]
 + Toleria sinensis (Walker, [1865] ) [ACCEPTED SPECIES 9902:BBDNB nidx=null]
Tornatella cinerea
 - Tornatella cinerea (R. B. Watson, 1883) [SYNONYM SPECIES 9893:7CHF3 nidx=null parent=4QJCQ]
 + Tornatella cinerea (R. B. Watson, 1884) [SYNONYM SPECIES 9902:BCKK5 nidx=null parent=4QJCQ]
Tortrix galiana
 - Tortrix galiana Stephens, 1834 [SYNONYM SPECIES 9893:93RDQ nidx=null parent=FCFV]
 + Tortrix galiana Curtis, 1829 [SYNONYM SPECIES 9902:BCQ9V nidx=null parent=FCFV]
Toxoptera auranti
 - Toxoptera auranti (Boyer de Fonscolombe, 1841) [SYNONYM SPECIES 9893:57M9D nidx=null parent=5DJNG]
 + Toxoptera auranti (Boyer de Fonscolombe, 1841) [SYNONYM SPECIES 9902:B8ZKN nidx=null parent=5DJNG]
Tracheoniscus ratzeburgii
 - Tracheoniscus ratzeburgii [SYNONYM SPECIES 9893:57P9L nidx=null parent=57NMT]
 + Tracheoniscus ratzeburgii (Brandt, 1833) [SYNONYM SPECIES 9902:BCKKS nidx=null parent=5F8H5]
Trama (Neotrama) kulinitschae
 - Trama (Neotrama) kulinitschae [ACCEPTED SPECIES 9893:7CN9B nidx=null]
 + Trama (Neotrama) kulinitschae [ACCEPTED SPECIES 9902:BCQFJ nidx=null]
Trapezia rufopunctata f. typica
 - Trapezia rufopunctata f. typica Bouvier, 1915 [SYNONYM FORM 9893:5T3H7 nidx=null parent=57Y2G]
 + Trapezia rufopunctata f. typica Ortmann, 1897 [SYNONYM FORM 9902:BCW53 nidx=null parent=57Y2G]
Tribus
 - Tribus Talineae Fenzl [SYNONYM UNRANKED 9893:B8NJL nidx=null parent=GWJ]
 + Tribus Portulacarieae Fenzl [SYNONYM UNRANKED 9902:BDBDR nidx=null parent=98Z]
 + Tribus Talineae Fenzl [SYNONYM UNRANKED 9902:BDBDS nidx=null parent=GWJ]
Trichocera
 - Trichocera [ACCEPTED SUBGENUS 9893:87L52 nidx=null]
 + Trichocera De Haan, 1833 [SYNONYM GENUS 9902:B8ZJH nidx=null parent=7PXZG]
Trichocerota ruficincta
 - Trichocerota ruficincta Hampson, 1892 [ACCEPTED SPECIES 9893:7D258 nidx=null]
 + Trichocerota ruficincta Hampson, [1893] [ACCEPTED SPECIES 9902:BBDPY nidx=null]
Trichodactyloidea
 - Trichodactyloidea H. Milne Edwards, 1853 [ACCEPTED SUPERFAMILY 9893:7NH2Z nidx=null]
 + Trichodactyloidea H. Milne Edwards, 1853 [ACCEPTED SUPERFAMILY 9902:B8VFZ nidx=null]
Tricholoma striatum var. ustale
 - Tricholoma striatum var. ustale (Fr.) Costantin & L.M. Dufour [SYNONYM VARIETY 9893:9ZMWG nidx=null parent=7D3HG]
 + Tricholoma striatum var. ustale (Fr.) Costantin & L.M. Dufour [SYNONYM VARIETY 9902:BDGQ3 nidx=null parent=7D3HG]
Tricholomopsis sulfureoides var. megaspora
 - Tricholomopsis sulfureoides var. megaspora A.H. Sm. [SYNONYM VARIETY 9893:5RVXQ nidx=null parent=7D3H7]
 + Tricholomopsis sulfureoides var. megaspora A.H. Sm. [SYNONYM VARIETY 9902:BBLH6 nidx=null parent=7D3H7]
Tridacnatheres whitei
 - Tridacnatheres whitei (De Man, 1888) [ACCEPTED SPECIES 9893:58NJL nidx=null]
 + Tridacnatheres whitei (De Man, 1887) [ACCEPTED SPECIES 9902:BCKNK nidx=null]
Trigonometopus eborifacies
 - Trigonometopus eborifacies Shatalkin, 1997 [SYNONYM SPECIES 9893:8FJCP nidx=null parent=8FJC6]
 + Trigonometopus eborifacies Shatalkin, 1997 [ACCEPTED SPECIES 9902:58SKC nidx=null]
Trigonometopus fuscipennis
 - Trigonometopus fuscipennis Hendel, 1912 [SYNONYM SPECIES 9893:8FJCS nidx=null parent=8FJC7]
 + Trigonometopus fuscipennis Hendel, 1912 [ACCEPTED SPECIES 9902:7D63Q nidx=null]
Trigonometopus japonicus
 - Trigonometopus japonicus Sasakawa, 2002 [SYNONYM SPECIES 9893:8FJCV nidx=null parent=8FJBS]
 + Trigonometopus japonicus Sasakawa, 2002 [ACCEPTED SPECIES 9902:58SKH nidx=null]
Trilochana ignicauda
 - Trilochana ignicauda Hampson, 1919 [SYNONYM SPECIES 9893:98MCF nidx=null parent=53H5K]
 + Trilochana ignicauda Hampson, [1893] [SYNONYM SPECIES 9902:BDD7C nidx=null parent=BCLVC]
Trisetum flavescens subsp. purpurascens
 - Trisetum flavescens subsp. purpurascens (DC.) Arcang. [SYNONYM SUBSPECIES 9893:5LM8M nidx=null parent=8X659]
 + Trisetum flavescens subsp. purpurascens (DC.) Arcang. [SYNONYM SUBSPECIES 9902:BBJNM nidx=null parent=8X659]
Trisetum sibiricum subsp. litorale
 - Trisetum sibiricum subsp. litorale Roshev. [SYNONYM SUBSPECIES 9893:5LM92 nidx=null parent=8X655]
 + Trisetum sibiricum subsp. litorale Roshev. [SYNONYM SUBSPECIES 9902:BBJNN nidx=null parent=8X655]
Triticum turgidum subsp. durum
 - Triticum turgidum subsp. durum (Desf.) Husn. [ACCEPTED SUBSPECIES 9893:7L6T7 nidx=null]
 + Triticum turgidum subsp. durum (Desf.) Husn. [ACCEPTED SUBSPECIES 9902:BBJNP nidx=null]
Trochilium alenicum
 - Trochilium alenicum Strand, 1912 [SYNONYM SPECIES 9893:98MK9 nidx=null parent=98C7C]
 + Trochilium alenicum Strand, [1913] [SYNONYM SPECIES 9902:BDD7L nidx=null parent=BBD7Z]
Trochomorpha gouldi
 - Trochomorpha gouldi (L. Pfeiffer, 1845) [SYNONYM SPECIES 9893:8VQK9 nidx=null parent=7RDBT]
 + Trochomorpha gouldi (L. Pfeiffer, 1846) [SYNONYM SPECIES 9902:BCL94 nidx=null parent=BBFLR]
Trochomorpha membranicosta
 - Trochomorpha membranicosta (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:597GW nidx=null]
 + Trochomorpha membranicosta (Reeve, 1854) [ACCEPTED SPECIES 9902:BCL95 nidx=null]
Trochomorpha scytodes
 - Trochomorpha scytodes (L. Pfeiffer, 1855) [ACCEPTED SPECIES 9893:7D7ZP nidx=null]
 + Trochomorpha scytodes (Reeve, 1854) [ACCEPTED SPECIES 9902:BCL96 nidx=null]
Troglocaridicola
 - Troglocaridicola Matjasic, 1958 [ACCEPTED GENUS 9893:7Q5C8 nidx=null]
 + Troglocaridicola Matjašič, 1957 [ACCEPTED GENUS 9902:B8ZKC nidx=null]
Troglocaridicola capreolaria
 - Troglocaridicola capreolaria Matjasic, 1958 [ACCEPTED SPECIES 9893:598NT nidx=null]
 + Troglocaridicola capreolaria Matjašič, 1957 [ACCEPTED SPECIES 9902:BCLD6 nidx=null]
Troglocaridicola cervaria
 - Troglocaridicola cervaria Matjasic, 1958 [ACCEPTED SPECIES 9893:7D824 nidx=null]
 + Troglocaridicola cervaria Matjašič, 1957 [ACCEPTED SPECIES 9902:BBDYC nidx=null]
Troglocaridicola istriana
 - Troglocaridicola istriana Matjasic, 1958 [ACCEPTED SPECIES 9893:598NW nidx=null]
 + Troglocaridicola istriana Matjašič, 1957 [ACCEPTED SPECIES 9902:BCLD7 nidx=null]
Troglocaridicola kirkensis
 - Troglocaridicola kirkensis Matjasic, 1958 [ACCEPTED SPECIES 9893:598NX nidx=null]
 + Troglocaridicola kirkensis Matjašič, 1957 [ACCEPTED SPECIES 9902:BCLD8 nidx=null]
Troglocaridicola maxima
 - Troglocaridicola maxima Matjasic, 1958 [ACCEPTED SPECIES 9893:598NZ nidx=null]
 + Troglocaridicola maxima Matjašič, 1957 [ACCEPTED SPECIES 9902:BCLD9 nidx=null]
Troglocaridicola spelaeocaridicola
 - Troglocaridicola spelaeocaridicola Matjasic, 1958 [ACCEPTED SPECIES 9893:598P3 nidx=null]
 + Troglocaridicola spelaeocaridicola Matjašič, 1957 [ACCEPTED SPECIES 9902:BCLDB nidx=null]
Trogloplacinae
 - Trogloplacinae Guinot, 1986 [ACCEPTED SUBFAMILY 9893:847KF nidx=null]
 + Trogloplacinae Guinot, 1986 [ACCEPTED SUBFAMILY 9902:B8V45 nidx=null]
Tropidophora sowerbyi
 - Tropidophora sowerbyi (L. Pfeiffer, 1846) [ACCEPTED SPECIES 9893:7TGGD nidx=null]
 + Tropidophora sowerbyi (L. Pfeiffer, 1847) [ACCEPTED SPECIES 9902:BCLDL nidx=null]
Tropidophora tricarinata var. campanulata
 - Tropidophora tricarinata var. campanulata (L. Pfeiffer, 1846) [SYNONYM VARIETY 9893:7V9SK nidx=null parent=59C9Q]
 + Tropidophora tricarinata var. campanulata (L. Pfeiffer, 1847) [SYNONYM VARIETY 9902:BCVL6 nidx=null parent=59C9Q]
Troya riveti
 - Troya riveti Roewer, 1914 [ACCEPTED SPECIES 9893:7Z6KN nidx=null]
 + Troya riveti Roewer, 1923 [ACCEPTED SPECIES 9902:BCRJ8 nidx=null]
Tuber rufum var. nitidum
 - Tuber rufum var. nitidum (Vittad.) E. Fischer [SYNONYM VARIETY 9893:5RXXQ nidx=null parent=59J2G]
 + Tuber rufum var. nitidum (Vittad.) E. Fischer [SYNONYM VARIETY 9902:BBLH7 nidx=null parent=59J2G]
Tulipa sylvestris subsp. primulina
 - Tulipa sylvestris subsp. primulina (Baker) Maire & Weiller [ACCEPTED SUBSPECIES 9893:7KV83 nidx=null]
 + Tulipa sylvestris subsp. primulina (Baker) Maire & Weiller [ACCEPTED SUBSPECIES 9902:BBJQK nidx=null]
Tulipa sylvestris var. biebersteiniana
 - Tulipa sylvestris var. biebersteiniana (Schult. & Schult.f.) Regel [SYNONYM VARIETY 9893:5RY4N nidx=null parent=7KV82]
 + Tulipa sylvestris var. biebersteiniana (Schult. & Schult.f.) Regel [SYNONYM VARIETY 9902:BBLH8 nidx=null parent=7KV82]
Turritella (Protoma) bartelmaica
 - Turritella (Protoma) bartelmaica Hilber, 1892 [SYNONYM SPECIES 9893:B6J8W nidx=null parent=B4J8P]
 + Turritella (Protoma) bartelmaica Hilber, 1893 [SYNONYM SPECIES 9902:BDKZ4 nidx=null parent=B4J8P]
Typhlotanais macrocephalus
 - Typhlotanais macrocephalus [SYNONYM SPECIES 9893:7DCJG nidx=null parent=3ZVTF]
 + Typhlotanais macrocephalus Hansen, 1913 [SYNONYM SPECIES 9902:BCLQF nidx=null parent=3ZVTF]
Tyrictaca postcristatum
 - Tyrictaca postcristatum (Hampson, 1892) [ACCEPTED SPECIES 9893:9GZTS nidx=null]
 + Tyrictaca postcristatum (Hampson, [1893] ) [ACCEPTED SPECIES 9902:BDD8K nidx=null]
Uca rosea
 - Uca rosea (Tweedie, 1837) [SYNONYM SPECIES 9893:8N92W nidx=null parent=7CXLC]
 + Uca rosea (Tweedie, 1937) [SYNONYM SPECIES 9902:BCLQZ nidx=null parent=7CXLC]
Umbilicaria cylindrica var. tornata
 - Umbilicaria cylindrica var. tornata (Ach.) Nyl. [SYNONYM VARIETY 9893:7MR8Q nidx=null parent=7DGRY]
 + Umbilicaria cylindrica var. tornata (Ach.) Nyl. [SYNONYM VARIETY 9902:BBLH9 nidx=null parent=7DGRY]
Unio (Crassiana) fusculus
 - Unio (Crassiana) fusculus Ziegler, 1835 [SYNONYM SPECIES 9893:7TJBF nidx=null parent=7DLCV]
 + Unio (Crassiana) fusculus Rossmässler, 1835 [SYNONYM SPECIES 9902:BCLS4 nidx=null parent=7DLCV]
Unio fusculus
 - Unio fusculus Ziegler, 1835 [SYNONYM SPECIES 9893:7DL5V nidx=null parent=7DLCV]
 + Unio fusculus Rossmässler, 1835 [SYNONYM SPECIES 9902:BCLS3 nidx=null parent=7DLCV]
Uranorhagioninae
 - Uranorhagioninae [ACCEPTED TRIBE 9893:9HLNL nidx=null]
 + Uranorhagioninae [ACCEPTED SUBFAMILY 9902:B9MTQ nidx=null]
Urceolaria scruposa subsp. bryophila
 - Urceolaria scruposa subsp. bryophila (Ach.) Nyl. [SYNONYM SUBSPECIES 9893:B2P7M nidx=null parent=36N32]
 + Urceolaria scruposa subsp. bryophila (Ach.) Nyl. [SYNONYM SUBSPECIES 9902:BDFXP nidx=null parent=36N32]
Urellia cribrata
 - Urellia cribrata Becker, 1908 [SYNONYM SPECIES 9893:7DSPH nidx=null parent=55C4L]
 + Urellia cribrata Becker, 1907 [SYNONYM SPECIES 9902:BB94H nidx=null parent=55C4L]
Urellia nebulosa
 - Urellia nebulosa Becker, 1908 [SYNONYM SPECIES 9893:89C3K nidx=null parent=55C49]
 + Urellia nebulosa Becker, 1907 [SYNONYM SPECIES 9902:BB94J nidx=null parent=BB5FQ]
Urellia punctum
 - Urellia punctum Becker, 1908 [SYNONYM SPECIES 9893:89C3Q nidx=null parent=55C5L]
 + Urellia punctum Becker, 1907 [SYNONYM SPECIES 9902:BB94K nidx=null parent=BB5FR]
Urellia variata
 - Urellia variata Becker, 1908 [SYNONYM SPECIES 9893:89C3T nidx=null parent=55C7N]
 + Urellia variata Becker, 1907 [SYNONYM SPECIES 9902:BB94L nidx=null parent=BB5FS]
Uroleucon (Uromelan) lactucicola
 - Uroleucon (Uromelan) lactucicola [ACCEPTED SPECIES 9893:7DVV9 nidx=null]
 + Uroleucon (Uromelan) lactucicola [ACCEPTED SPECIES 9902:BBF2J nidx=null]
Urophora (Urophora) tenuis
 - Urophora (Urophora) tenuis Becker, 1908 [ACCEPTED SPECIES 9893:89C6M nidx=null]
 + Urophora (Urophora) tenuis Becker, 1907 [ACCEPTED SPECIES 9902:BB94M nidx=null]
Urophora tenuis
 - Urophora tenuis Becker, 1908 [AMBIGUOUS_SYNONYM SPECIES 9893:7DXRP nidx=null parent=89C6M]
 + Urophora tenuis Becker, 1907 [AMBIGUOUS_SYNONYM SPECIES 9902:BB94N nidx=null parent=BB94M]
Urtica dioica subvar. horrida
 - Urtica dioica subvar. horrida (Wedd.) Wedd. [AMBIGUOUS_SYNONYM SUBVARIETY 9893:8SL87 nidx=null parent=8SFYF]
 + Urtica dioica subvar. horrida Wedd. [AMBIGUOUS_SYNONYM SUBVARIETY 9902:BD8W7 nidx=null parent=8SFYF]
 + Urtica dioica subvar. horrida (Wedd.) Wedd. [AMBIGUOUS_SYNONYM SUBVARIETY 9902:BD8W8 nidx=null parent=8SFYF]
Usnea hirta f. hirsutula
 - Usnea hirta f. hirsutula Stirt. [SYNONYM FORM 9893:5T3ZV nidx=null parent=7F34B]
 + Usnea hirta f. hirsutula Stirt. [SYNONYM FORM 9902:BBLLG nidx=null parent=7F34B]
Usnea hirta var. comiformis
 - Usnea hirta var. comiformis Motyka ex Räsänen [SYNONYM VARIETY 9893:7MQW8 nidx=null parent=7F2Q8]
 + Usnea hirta var. comiformis Motyka ex Räsänen [SYNONYM VARIETY 9902:BBLHB nidx=null parent=7F2Q8]
Usnea subfloridana var. melanopoda
 - Usnea subfloridana var. melanopoda (Asahina) D. Hawksw. [SYNONYM VARIETY 9893:5RZ98 nidx=null parent=7F34B]
 + Usnea subfloridana var. melanopoda (Asahina) D. Hawksw. [SYNONYM VARIETY 9902:BBLHC nidx=null parent=7F34B]
Usnea subfloridana var. similis
 - Usnea subfloridana var. similis (Motyka ex Räsänen) Oxner [SYNONYM VARIETY 9893:5RZ99 nidx=null parent=7F34B]
 + Usnea subfloridana var. similis (Motyka ex Räsänen) Oxner [SYNONYM VARIETY 9902:BBLHD nidx=null parent=7F34B]
Usnea subfloridana var. sordidula
 - Usnea subfloridana var. sordidula (Motyka) Oxner [SYNONYM VARIETY 9893:7MR88 nidx=null parent=7F34B]
 + Usnea subfloridana var. sordidula (Motyka) Oxner [SYNONYM VARIETY 9902:BBLHF nidx=null parent=7F34B]
Vespaegeria typica
 - Vespaegeria typica Strand, 1912 [ACCEPTED SPECIES 9893:7G2SQ nidx=null]
 + Vespaegeria typica Strand, [1913] [SYNONYM SPECIES 9902:BCSCP nidx=null parent=BBCRH]
Vespericolini
 - Vespericolini K. C. Emberton, 1995 [ACCEPTED TRIBE 9893:7NYMK nidx=null]
 + Vespericolini K. C. Emberton, 1994 [ACCEPTED TRIBE 9902:B8X5H nidx=null]
Viridotheres kupang
 - Viridotheres kupang Ahyong, 2018 [ACCEPTED SPECIES 9893:84GD9 nidx=null]
 + Viridotheres kupang Ahyong, 2019 [ACCEPTED SPECIES 9902:BCM5S nidx=null]
Vitrinoconus cyathus
 - Vitrinoconus cyathus (L. Pfeiffer, 1845) [ACCEPTED SPECIES 9893:7TM87 nidx=null]
 + Vitrinoconus cyathus (L. Pfeiffer, 1846) [ACCEPTED SPECIES 9902:BCM6X nidx=null]
Vitrioconus cyathus
 - Vitrioconus cyathus (L. Pfeiffer, 1845) [SYNONYM SPECIES 9893:7TMB4 nidx=null parent=7TM87]
 + Vitrioconus cyathus (L. Pfeiffer, 1846) [SYNONYM SPECIES 9902:BCM6Y nidx=null parent=BCM6X]
Volucella brevipila
 - Volucella brevipila Portschinsky, 1886 [SYNONYM SPECIES 9893:7G4XW nidx=null parent=5BPG7]
 + Volucella brevipila Portschinsky, 1887 [SYNONYM SPECIES 9902:BB94W nidx=null parent=5BPG7]
Waisiuconcha
 - Waisiuconcha Beets, 1942 [ACCEPTED GENUS 9893:7PL22 nidx=null]
 + Waisiuconcha Beets, 1943 [ACCEPTED GENUS 9902:B8ZMW nidx=null]
Waisiuconcha alberdinae
 - Waisiuconcha alberdinae Beets, 1942 [ACCEPTED SPECIES 9893:7FT6F nidx=null]
 + Waisiuconcha alberdinae Beets, 1943 [ACCEPTED SPECIES 9902:BCM82 nidx=null]
Wayampia guayaquilensis
 - Wayampia guayaquilensis (L. Pfeiffer, 1852) [SYNONYM SPECIES 9893:7TN53 nidx=null parent=7T4DY]
 + Wayampia guayaquilensis (Reeve, 1852) [SYNONYM SPECIES 9902:BCM85 nidx=null parent=BCGDL]
Weinmannia microphylla
 - Weinmannia microphylla Ruiz & Pav. ex López [ACCEPTED SPECIES 9893:B73XC nidx=null]
 + Weinmannia microphylla Ruiz & Pav. ex López [ACCEPTED SPECIES 9902:BBF5F nidx=null]
 + Weinmannia microphylla Ruiz & Pav. [SYNONYM SPECIES 9902:BBF5G nidx=null parent=5BWKJ]
Wiedemannia digna
 - Wiedemannia digna Sinclair, 2006 [ACCEPTED SPECIES 9893:5BYJG nidx=null]
 + Wiedemannia digna Sinclair, 2007 [ACCEPTED SPECIES 9902:BB963 nidx=null]
Withersella crepitans
 - Withersella crepitans [ACCEPTED SPECIES 9893:B23GH nidx=null]
 + Withersella crepitans Wright & Collins, 1972 [ACCEPTED SPECIES 9902:BCMCD nidx=null]
Xanthandrus magnificus
 - Xanthandrus magnificus Thompson, 2018 [ACCEPTED SPECIES 9893:8GTPL nidx=null]
 + Xanthandrus magnificus Thompson, 2019 [ACCEPTED SPECIES 9902:BB96G nidx=null]
Xanthasia whitei
 - Xanthasia whitei De Man, 1888 [SYNONYM SPECIES 9893:5C4PV nidx=null parent=58NJL]
 + Xanthasia whitei De Man, 1887 [SYNONYM SPECIES 9902:BCSHW nidx=null parent=BCKNK]
Xanthias lividus
 - Xanthias lividus (Lamarck, 1818) [SYNONYM SPECIES 9893:84GDD nidx=null parent=3QXQG]
 + Xanthias lividus (Latreille in Milbert, 1812) [SYNONYM SPECIES 9902:BCMCP nidx=null parent=3QXQG]
Xanthoidea
 - Xanthoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9893:7NFRX nidx=null]
 + Xanthoidea MacLeay, 1838 [ACCEPTED SUPERFAMILY 9902:B8VG2 nidx=null]
Xanthoria parietina var. mandschurica
 - Xanthoria parietina var. mandschurica Zahlbr. [SYNONYM VARIETY 9893:9ZL2R nidx=null parent=5D37R]
 + Xanthoria parietina var. mandschurica Zahlbr. [SYNONYM VARIETY 9902:BDH3J nidx=null parent=5D37R]
Xenobrochus naudei
 - Xenobrochus naudei Hiller, 1986 [ACCEPTED SPECIES 9893:5C9HF nidx=null]
 + Xenobrochus naudei Hiller, 1994 [ACCEPTED SPECIES 9902:B8VRS nidx=null]
Xenochaetina crassimana
 - Xenochaetina crassimana Malloch, 1926 [ACCEPTED SPECIES 9893:5C9TH nidx=null]
 + Xenochaetina crassimana Malloch, 1923 [SYNONYM SPECIES 9902:BB96K nidx=null parent=BB96J]
Xylographa rubescens var. carneopallida
 - Xylographa rubescens var. carneopallida Räsänen [SYNONYM VARIETY 9893:9ZL2T nidx=null parent=5CLD3]
 + Xylographa rubescens var. carneopallida Räsänen [SYNONYM VARIETY 9902:BDH3K nidx=null parent=5CLD3]
Yucca aloifolia var. draconis
 - Yucca aloifolia var. draconis (L.) Engelm. [SYNONYM VARIETY 9893:5S5RH nidx=null parent=5CT4F]
 + Yucca aloifolia var. draconis (L.) Engelm. [SYNONYM VARIETY 9902:BBLHW nidx=null parent=5CT4F]
Yucca aloifolia var. yucatana
 - Yucca aloifolia var. yucatana (Engelm.) Trel. [SYNONYM VARIETY 9893:5S5RW nidx=null parent=5CT4F]
 + Yucca aloifolia var. yucatana (Engelm.) Trel. [SYNONYM VARIETY 9902:BBLHX nidx=null parent=5CT4F]
Yucca angustissima var. toftiae
 - Yucca angustissima var. toftiae (S.L.Welsh) Reveal [ACCEPTED VARIETY 9893:5S5S5 nidx=null]
 + Yucca angustissima var. toftiae (S.L.Welsh) Reveal [ACCEPTED VARIETY 9902:BBLHY nidx=null]
Zea mays subsp. huehuetenangensis
 - Zea mays subsp. huehuetenangensis (Iltis & Doebley) Doebley [ACCEPTED SUBSPECIES 9893:5LTXF nidx=null]
 + Zea mays subsp. huehuetenangensis (Iltis & Doebley) Doebley [ACCEPTED SUBSPECIES 9902:BBKFY nidx=null]
Zea mays subsp. parviglumis
 - Zea mays subsp. parviglumis Iltis & Doebley [ACCEPTED SUBSPECIES 9893:5LTXN nidx=null]
 + Zea mays subsp. parviglumis Iltis & Doebley [ACCEPTED SUBSPECIES 9902:BBKFZ nidx=null]
Zea mays var. rugosa
 - Zea mays var. rugosa Bonaf. [SYNONYM VARIETY 9893:5S63L nidx=null parent=5LTXK]
 + Zea mays var. rugosa Bonaf. [SYNONYM VARIETY 9902:BBLHZ nidx=null parent=5LTXK]
Zizania palustris var. interior
 - Zizania palustris var. interior (Fassett) Dore [SYNONYM VARIETY 9893:5S68P nidx=null parent=5S68L]
 + Zizania palustris var. interior (Fassett) Dore [SYNONYM VARIETY 9902:BBLJ2 nidx=null parent=5S68L]
Zoantharia
 - Zoantharia [ACCEPTED ORDER 9893:4C3 nidx=null]
 + Zoantharia Gray, 1832 [ACCEPTED ORDER 9902:B8V7Y nidx=null]
Zosimus
 - Zosimus Leach, 1818 [ACCEPTED GENUS 9893:92QV7 nidx=null]
 + Zosimus Leach in Desmarest, 1823 [ACCEPTED GENUS 9902:7Q6ZJ nidx=null]