Acacia pallida
 - Acacia pallida Humb. & Bonpl. ex Willd. [AMBIGUOUS_SYNONYM SPECIES 300004:8PSJ nidx=null parent=BTRSK]
 + Acacia pallida F.Muell. [AMBIGUOUS_SYNONYM SPECIES 301523:CGR2D nidx=null parent=BSQFF]
 + Acacia pallida Humb. & Bonpl. ex Willd. [AMBIGUOUS_SYNONYM SPECIES 301523:CGR2F nidx=null parent=BTRSK]
Acanthoderes (Psapharochrus) galapagoensis
 - Acanthoderes (Psapharochrus) galapagoensis [SYNONYM SPECIES 300004:CFFP9 nidx=null parent=BJHKY]
 + Acanthoderes (Psapharochrus) galapagoensis [SYNONYM SPECIES 301523:CGRC7 nidx=null parent=BJHKY]
Acleris brunneana
 - Acleris brunneana (Sheldon, 1931) [AMBIGUOUS_SYNONYM SPECIES 300004:C92Y4 nidx=null parent=9CWQ]
 + Acleris brunneana (Sheldon, 1930) [AMBIGUOUS_SYNONYM SPECIES 301523:CGRZ8 nidx=null parent=9CVY]
 + Acleris brunneana (Sheldon, 1931) [AMBIGUOUS_SYNONYM SPECIES 301523:CGRZ9 nidx=null parent=9CWQ]
Acocephalus carinatus
 - Acocephalus carinatus Stål, 1864 [SYNONYM SPECIES 300004:8RHBW nidx=null parent=FK45]
 + Acocephalus carinatus Stål, 1864 [SYNONYM SPECIES 301523:8JNBK nidx=null parent=FK45]
Acontia (Acontia) opalinoides
 - Acontia (Acontia) opalinoides Guenée, 1852 [ACCEPTED SPECIES 300004:C6DXR nidx=null]
 + Acontia (Acontia) opalinoides Guenée, 1852 [ACCEPTED SPECIES 301523:CGS67 nidx=null]
Acontia (Emmelia) inda
 - Acontia (Emmelia) inda Felder, 1874 [SYNONYM SPECIES 300004:BPMBK nidx=null parent=BJGXF]
 + Acontia (Emmelia) inda Felder, 1874 [SYNONYM SPECIES 301523:95Q4C nidx=null parent=BJGXF]
Acontia (Emmelia) natalis
 - Acontia (Emmelia) natalis Guenée, 1852 [ACCEPTED SPECIES 300004:CCT7J nidx=null]
 + Acontia (Emmelia) natalis Guenée, 1852 [ACCEPTED SPECIES 301523:BJGVY nidx=null]
Acrocera (Acrocera) minuscula
 - Acrocera (Acrocera) minuscula (Séguy, 1934) [ACCEPTED SPECIES 300004:924P9 nidx=null]
 + Acrocera (Acrocera) minuscula (Séguy, 1934) [ACCEPTED SPECIES 301523:64M7P nidx=null]
Acroneuria arida
 - Acroneuria arida [AMBIGUOUS_SYNONYM SPECIES 300004:8MVY9 nidx=null parent=64NH4]
 + Acroneuria arida Frison, 1935 [AMBIGUOUS_SYNONYM SPECIES 301523:CGSGJ nidx=null parent=64NH4]
Acroneuria evoluta
 - Acroneuria evoluta Clark, 1934 [AMBIGUOUS_SYNONYM SPECIES 300004:8MVYB nidx=null parent=64NH4]
 + Acroneuria evoluta Frison, 1942 [AMBIGUOUS_SYNONYM SPECIES 301523:CGSGK nidx=null parent=64NH4]
Acropora (Eumadrepora) formosa gracilis
 - Acropora (Eumadrepora) formosa gracilis (Dana, 19846) [SYNONYM SUBSPECIES 300004:9B7DY nidx=null parent=9P3S]
 + Acropora (Eumadrepora) formosa gracilis (Dana, 1846) [SYNONYM SUBSPECIES 301523:CGSJH nidx=null parent=9P3S]
Actaea consobrina
 - Actaea consobrina H. MIlne-Edwards, 1873 [SYNONYM SPECIES 300004:CCTR4 nidx=null parent=9S6L]
 + Actaea consobrina A. MIlne-Edwards, 1873 [SYNONYM SPECIES 301523:CGSLP nidx=null parent=CHKX4]
Acucephalus olivaceus
 - Acucephalus olivaceus Walker, 1851 [SYNONYM SPECIES 300004:8RHDC nidx=null parent=FK4L]
 + Acucephalus olivaceus Walker, 1851 [SYNONYM SPECIES 301523:8JNGY nidx=null parent=FK4L]
Acyrthosiphon pisi
 - Acyrthosiphon pisi [AMBIGUOUS_SYNONYM SPECIES 300004:CFHTM nidx=null parent=7GJFD]
 + Acyrthosiphon pisi [AMBIGUOUS_SYNONYM SPECIES 301523:CGSST nidx=null parent=7GJFD]
 + Acyrthosiphon pisi [AMBIGUOUS_SYNONYM SPECIES 301523:CGSSW nidx=null parent=7GJF3]
Adelphotectonica kuroharai
 - Adelphotectonica kuroharai (Kuroda & Habe, 1961) [ACCEPTED SPECIES 300004:8V6YZ nidx=null]
 + Adelphotectonica kuroharai (Kuroda & T. Habe, 1961) [ACCEPTED SPECIES 301523:9YT8 nidx=null]
Aedes (Aedes) dermajoensis
 - Aedes (Aedes) dermajoensis Brug, 1931 [SYNONYM SPECIES 300004:87MTK nidx=null parent=C2TR5]
 + Aedes (Aedes) dermajoensis Brug, 1931 [SYNONYM SPECIES 301523:64VWL nidx=null parent=C2TR5]
Aeneator fontainei
 - Aeneator fontainei (A. d'Orbigny, 1839) [ACCEPTED SPECIES 300004:659T5 nidx=null]
 + Aeneator fontainei (A. d'Orbigny, 1841) [ACCEPTED SPECIES 301523:CGPCC nidx=null]
Aequipecten tehuelchus
 - Aequipecten tehuelchus (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:64YTH nidx=null]
 + Aequipecten tehuelchus (A. d'Orbigny, 1846) [ACCEPTED SPECIES 301523:CGPCM nidx=null]
Aequipecten tehuelchus tehuelchus
 - Aequipecten tehuelchus tehuelchus (A. d'Orbigny, 1842) [ACCEPTED SUBSPECIES 300004:8SXTK nidx=null]
 + Aequipecten tehuelchus tehuelchus (A. d'Orbigny, 1846) [ACCEPTED SUBSPECIES 301523:CGPCN nidx=null]
Afroforficula
 - Afroforficula Steinmann, 1990 [ACCEPTED GENUS 300004:8MPXM nidx=null]
 + Afroforficula Steinmann, 1993 [ACCEPTED GENUS 301523:CGPD2 nidx=null]
Agama (Eremioplanis) lessonae
 - Agama (Eremioplanis) lessonae de Filippi, 1865 [SYNONYM SPECIES 300004:8H5V6 nidx=null parent=57XYV]
 + Agama (Eremioplanis) lessonae de Filippi, 1865 [SYNONYM SPECIES 301523:65K4C nidx=null parent=57XYV]
Agatina
 - Agatina auct. [SYNONYM GENUS 300004:C8TBG nidx=null parent=7NMQS]
 + Agatina [SYNONYM GENUS 301523:BG6H3 nidx=null parent=7NMQS]
Agonum brunneus
 - Agonum brunneus (Letzner, 1852) unavailable name [SYNONYM SPECIES 300004:C3KB4 nidx=null parent=664T3]
 + Agonum brunneus (Letzner, 1852) [SYNONYM SPECIES 301523:CGPJS nidx=null parent=664T3]
Agromyza aberrans
 - †Agromyza aberrans Meunier, 1905 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SJJ nidx=null]
 + Agromyza aberrans Meunier, 1905 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JJBM nidx=null]
Aiceona (Aiceona) siamensis
 - Aiceona (Aiceona) siamensis [ACCEPTED SPECIES 300004:BWHWT nidx=null]
 + Aiceona (Aiceona) siamensis Takahashi, 1941 [ACCEPTED SPECIES 301523:CGPSJ nidx=null]
Aiceona siamensis
 - Aiceona siamensis [SYNONYM SPECIES 300004:C63Z2 nidx=null parent=BWHWT]
 + Aiceona siamensis Takahashi, 1941 [SYNONYM SPECIES 301523:CGPSK nidx=null parent=CGPSJ]
Alcyonidium
 - Alcyonidium auct. [SYNONYM GENUS 300004:C8SZN nidx=null parent=84L8R]
 + Alcyonidium [SYNONYM GENUS 301523:RMF nidx=null parent=84L8R]
Allonuria frigida
 - Allonuria frigida [SYNONYM SPECIES 300004:8NH49 nidx=null parent=7BHVB]
 + Allonuria frigida (Navás, 1930) [SYNONYM SPECIES 301523:CGPGJ nidx=null parent=7BHVB]
Alloperla (Chloroperla) nana
 - Alloperla (Chloroperla) nana [SYNONYM SPECIES 300004:BWHZZ nidx=null parent=6MZZX]
 + Alloperla (Chloroperla) nana (Walsh, 1862) [SYNONYM SPECIES 301523:CGPGL nidx=null parent=6MZZX]
Amastigogonus nichollsii
 - Amastigogonus nichollsii Verhoeff, 1944 [SYNONYM SPECIES 300004:CFD9V nidx=null parent=CHNQ]
 + Amastigogonus nichollsii Verhoeff, 1944 [SYNONYM SPECIES 301523:CGQ46 nidx=null parent=CHNQ]
Amblypneustes ovum pachistus
 - Amblypneustes ovum pachistus H.L. Clark, 1912 [SYNONYM SUBSPECIES 300004:CFDGX nidx=null parent=65ZKY]
 + Amblypneustes ovum pachistus H.L. Clark, 1912 [SYNONYM SUBSPECIES 301523:CGQ8H nidx=null parent=65ZKY]
Amblyspatha mucoris
 - Amblyspatha mucoris Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SJM nidx=null]
 + Amblyspatha mucoris Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JJDD nidx=null]
Ambostracon pumilum
 - Ambostracon pumilum (Brady, 1866) [SYNONYM SPECIES 300004:C662K nidx=null parent=CPHH]
 + Ambostracon pumilum (Brady, 1866) [SYNONYM SPECIES 301523:CGQ8Z nidx=null parent=CPHH]
Amiota (Amiota) fuscicata
 - Amiota (Amiota) fuscicata Chen & Zhang, 2005 [ACCEPTED SPECIES 300004:C8TNT nidx=null]
 + Amiota (Amiota) fuscicata Chen & Zhang, 2005 [ACCEPTED SPECIES 301523:CGQJR nidx=null]
Amphidesma cancellata
 - Amphidesma cancellata A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:9G43M nidx=null parent=4WFTC]
 + Amphidesma cancellata A. d'Orbigny, 1853 [SYNONYM SPECIES 301523:66G9T nidx=null parent=4WFTC]
Anacroneuria quecha
 - Anacroneuria quecha [SYNONYM SPECIES 300004:8NGWK nidx=null parent=DC4T]
 + Anacroneuria quecha Stark & Sivec, 1998 [SYNONYM SPECIES 301523:CGRDD nidx=null parent=DC4T]
Anopheles (Anopheles) peruvianus
 - Anopheles (Anopheles) peruvianus Tamayo, 1907 [ACCEPTED SPECIES 300004:C59ZN nidx=null]
 + Anopheles (Anopheles) peruvianus Tamayo, 1907 [ACCEPTED SPECIES 301523:CGQYM nidx=null]
Anopheles (Cellia) formosae
 - Anopheles (Cellia) formosae Hatori, 1901 [ACCEPTED SPECIES 300004:CCR2L nidx=null]
 + Anopheles (Cellia) formosae Hatori, 1901 [ACCEPTED SPECIES 301523:CGQYL nidx=null]
Anthalia nigra
 - Anthalia nigra Zetterstedt, 1842 [SYNONYM SPECIES 300004:926SH nidx=null parent=C2S6P]
 + Anthalia nigra Zetterstedt, 1842 [SYNONYM SPECIES 301523:66Z2W nidx=null parent=C2S6P]
Anthomyia calceata
 - Anthomyia calceata Meigen, 1826 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3PPP nidx=null]
 + Anthomyia calceata Meigen, 1826 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JJLP nidx=null]
Anthomyia cyclicans
 - Anthomyia cyclicans Pandellé, 1900 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3PPQ nidx=null]
 + Anthomyia cyclicans Pandellé, 1900 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JJM3 nidx=null]
Anthrax dentoni
 - †Anthrax dentoni Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SJV nidx=null]
 + Anthrax dentoni Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JJQ6 nidx=null]
Antipathes (Arachnopathes) columnaris
 - Antipathes (Arachnopathes) columnaris (Duchassaing, 1870) [SYNONYM SPECIES 300004:CFGBY nidx=null parent=7B38B]
 + Antipathes (Arachnopathes) columnaris (Duchassaing, 1870) [SYNONYM SPECIES 301523:CGRSL nidx=null parent=7B38B]
Aphanicercella calvata
 - Aphanicercella calvata [SYNONYM SPECIES 300004:8NHCL nidx=null parent=67LZJ]
 + Aphanicercella calvata Stevens & Picker, 1999 [SYNONYM SPECIES 301523:CGS53 nidx=null parent=67LZJ]
Aphis (Aphis) evonymi
 - Aphis (Aphis) evonymi Fabricius, 1775 [SYNONYM SPECIES 300004:C5FGJ nidx=null parent=5DJMN]
 + Aphis (Aphis) evonymi Fabricius, 1775 [SYNONYM SPECIES 301523:9GWDF nidx=null parent=5DJMN]
Aphis (Doralis) evonymi
 - Aphis (Doralis) evonymi [AMBIGUOUS_SYNONYM SPECIES 300004:CFDJZ nidx=null parent=8P5RY]
 + Aphis (Doralis) evonymi Fabricius, 1775 [AMBIGUOUS_SYNONYM SPECIES 301523:CGQB2 nidx=null parent=5DJMN]
 + Aphis (Doralis) evonymi [AMBIGUOUS_SYNONYM SPECIES 301523:CGQB4 nidx=null parent=8P5RY]
Aporocotyle michaudi
 - Aporocotyle michaudi Santoro, Cipriani, Pankov & Lawton, 2015 [ACCEPTED SPECIES 300004:846P9 nidx=null]
 + Aporocotyle michaudi Santoro, Cipriani, Pankov & Lawton, 2015 [ACCEPTED SPECIES 301523:5VQMQ nidx=null]
Apricardia laevigata
 - †Apricardia laevigata (A. d'Orbigny, 1847) [ACCEPTED SPECIES 300004:FWNH nidx=null]
 + Apricardia laevigata (A. d'Orbigny, 1842) [ACCEPTED SPECIES 301523:CGR3M nidx=null]
Apteroperla babaensis
 - Apteroperla babaensis (Kawai, 1967) [ACCEPTED SPECIES 300004:FYSS nidx=null]
 + Apteroperla babaensis (Illies, 1966) [ACCEPTED SPECIES 301523:CGR6J nidx=null]
Apterygida (Sphingolabis) albipennis
 - Apterygida (Sphingolabis) albipennis [SYNONYM SPECIES 300004:BWK4T nidx=null parent=8MWTL]
 + Apterygida (Sphingolabis) albipennis (von Muhlfeld, 1825) [SYNONYM SPECIES 301523:CGR6L nidx=null parent=682DK]
Apterygida media
 - Apterygida media [SYNONYM SPECIES 300004:8MWTN nidx=null parent=8MWTL]
 + Apterygida media (Hagenbach, 1822) [ACCEPTED SPECIES 301523:682DK nidx=null]
Apterygida pedestris
 - Apterygida pedestris [SYNONYM SPECIES 300004:8N89W nidx=null parent=8MWTL]
 + Apterygida pedestris (Bonelli, 1832) [SYNONYM SPECIES 301523:CGR6M nidx=null parent=682DK]
Apterygida tuberculosa
 - Apterygida tuberculosa Shiraki, 1905 [ACCEPTED SPECIES 300004:FYWC nidx=null]
 + Apterygida tuberculosa Shiraki, 1928 [ACCEPTED SPECIES 301523:CGR6N nidx=null]
Asilus therevinus
 - Asilus therevinus Rondani, 1851 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Q8L nidx=null]
 + Asilus therevinus Rondani, 1851 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JJYN nidx=null]
Astarte longirostra
 - Astarte longirostra A. d'Orbigny, 1842 [ACCEPTED SPECIES 300004:HN4Y nidx=null]
 + Astarte longirostra A. d'Orbigny, 1846 [ACCEPTED SPECIES 301523:CGRMG nidx=null]
Astegopteryx taiwana
 - Astegopteryx taiwana Takahashi, 1936 [SYNONYM SPECIES 300004:8QVFL nidx=null parent=59J4Z]
 + Astegopteryx taiwana Takahashi, 1934 [SYNONYM SPECIES 301523:CGRND nidx=null parent=CHJLS]
Astenus (Astenopleuritus) marginalis
 - Astenus (Astenopleuritus) marginalis Cameron, 1931 [ACCEPTED SPECIES 300004:BSW5D nidx=null]
 + Astenus (Astenopleuritus) marginalis Cameron, 1931 [ACCEPTED SPECIES 301523:9M3H6 nidx=null]
Asterorotalia gaimardii
 - Asterorotalia gaimardii (d'Orbigny in Fornasini, 1906) [SYNONYM SPECIES 300004:C5NQG nidx=null parent=4TG5N]
 + Asterorotalia gaimardii (d'Orbigny in Fornasini, 1906) [SYNONYM SPECIES 301523:CGRTX nidx=null parent=4TG5N]
Astraea (Fissicella) fuscoviridis
 - Astraea (Fissicella) fuscoviridis (Quoy & Gaimard, 1833) [SYNONYM SPECIES 300004:CFGGV nidx=null parent=6HQYM]
 + Astraea (Fissicella) fuscoviridis (Quoy & Gaimard, 1833) [SYNONYM SPECIES 301523:CGRWH nidx=null parent=6HQYM]
Asura (Asura) agraphia
 - Asura (Asura) agraphia Hampson [SYNONYM SPECIES 300004:BPPFD nidx=null parent=BFNZB]
 + Asura (Asura) agraphia Hampson [SYNONYM SPECIES 301523:95ZNF nidx=null parent=BFNZB]
Asura (Asura) bella
 - Asura (Asura) bella Bethune-Baker [SYNONYM SPECIES 300004:BPPFF nidx=null parent=BFLS9]
 + Asura (Asura) bella Bethune-Baker [SYNONYM SPECIES 301523:95ZNL nidx=null parent=BFLS9]
Asura (Asura) bougainvillicola
 - Asura (Asura) bougainvillicola Strand, 1922 [SYNONYM SPECIES 300004:BPPFG nidx=null parent=BFNYY]
 + Asura (Asura) bougainvillicola Strand, 1922 [SYNONYM SPECIES 301523:95ZNN nidx=null parent=BFNYY]
Asura (Asura) callinoma
 - Asura (Asura) callinoma Meyrick, 1894 [SYNONYM SPECIES 300004:BPPFH nidx=null parent=BFPZD]
 + Asura (Asura) callinoma Meyrick, 1894 [SYNONYM SPECIES 301523:95ZNQ nidx=null parent=BFPZD]
Asura (Asura) conflua
 - Asura (Asura) conflua Hampson, 1914 [SYNONYM SPECIES 300004:BPPFJ nidx=null parent=BFLQR]
 + Asura (Asura) conflua Hampson, 1914 [SYNONYM SPECIES 301523:95ZNW nidx=null parent=BFLQR]
Asura (Asura) confluens
 - Asura (Asura) confluens Draudt, 1914 [SYNONYM SPECIES 300004:BPPFK nidx=null parent=BFLRH]
 + Asura (Asura) confluens Draudt, 1914 [SYNONYM SPECIES 301523:95ZNX nidx=null parent=BFLRH]
Asura (Asura) gaudens
 - Asura (Asura) gaudens Walker, 1854 [SYNONYM SPECIES 300004:BPPFL nidx=null parent=BFLRH]
 + Asura (Asura) gaudens Walker, 1854 [SYNONYM SPECIES 301523:95ZPJ nidx=null parent=BFLRH]
Asura (Asura) habrotis
 - Asura (Asura) habrotis Meyrick, 1886 [SYNONYM SPECIES 300004:BPPFM nidx=null parent=BFLQG]
 + Asura (Asura) habrotis Meyrick, 1886 [SYNONYM SPECIES 301523:95ZPM nidx=null parent=BFLQG]
Asura (Asura) incompleta
 - Asura (Asura) incompleta Draudt, 1914 [SYNONYM SPECIES 300004:BPPFN nidx=null parent=BFLRH]
 + Asura (Asura) incompleta Draudt, 1914 [SYNONYM SPECIES 301523:95ZPP nidx=null parent=BFLRH]
Asura (Asura) inornata
 - Asura (Asura) inornata Wileman [SYNONYM SPECIES 300004:BPPFP nidx=null parent=BJ287]
 + Asura (Asura) inornata Wileman [SYNONYM SPECIES 301523:95ZPQ nidx=null parent=BJ287]
Asura (Asura) melitaula
 - Asura (Asura) melitaula Meyrick, 1899 [SYNONYM SPECIES 300004:BMQLK nidx=null parent=BFNYR]
 + Asura (Asura) melitaula Meyrick, 1899 [SYNONYM SPECIES 301523:92VV8 nidx=null parent=BFNYR]
Asura (Asura) phryctops
 - Asura (Asura) phryctops Kirby, 1892 [SYNONYM SPECIES 300004:BPPFS nidx=null parent=BFNZ4]
 + Asura (Asura) phryctops Kirby, 1892 [SYNONYM SPECIES 301523:95ZQC nidx=null parent=BFNZ4]
Asura (Asura) postfasciatus
 - Asura (Asura) postfasciatus Rothschild, 1920 [SYNONYM SPECIES 300004:BPPFT nidx=null parent=BFPG4]
 + Asura (Asura) postfasciatus Rothschild, 1920 [SYNONYM SPECIES 301523:95ZQD nidx=null parent=BFPG4]
Asura (Asura) reducta
 - Asura (Asura) reducta Rothschild, 1913 [SYNONYM SPECIES 300004:BPPFV nidx=null parent=BFLQN]
 + Asura (Asura) reducta Rothschild, 1913 [SYNONYM SPECIES 301523:95ZQL nidx=null parent=BFLQN]
Asura (Asura) strigulata
 - Asura (Asura) strigulata Rothschild [SYNONYM SPECIES 300004:BPPFW nidx=null parent=BFTDD]
 + Asura (Asura) strigulata Rothschild [SYNONYM SPECIES 301523:95ZR2 nidx=null parent=BFTDD]
Atagema hispida
 - Atagema hispida (A. d'Orbigny, 1834) [SYNONYM SPECIES 300004:J7VX nidx=null parent=35GKX]
 + Atagema hispida (A. d'Orbigny, 1836) [SYNONYM SPECIES 301523:CGS98 nidx=null parent=CGY44]
Athysanus manderstjerni
 - Athysanus manderstjerni (Kirschbaum, 1868) [SYNONYM SPECIES 300004:C93QJ nidx=null parent=GZQK]
 + Athysanus manderstjerni (Kirschbaum, 1868) [SYNONYM SPECIES 301523:CGSKL nidx=null parent=GZQK]
Atrichopogon (Atrichopogon) formosanus
 - Atrichopogon (Atrichopogon) formosanus Kieffer, 1918 [ACCEPTED SPECIES 300004:9286K nidx=null]
 + Atrichopogon (Atrichopogon) formosanus Kieffer, 1918 [ACCEPTED SPECIES 301523:JKQF nidx=null]
Aucklandobius spinigerus
 - Aucklandobius spinigerus [SYNONYM SPECIES 300004:8NGNW nidx=null parent=9NMS]
 + Aucklandobius spinigerus (Tillyard, 1923) [SYNONYM SPECIES 301523:CGSSK nidx=null parent=9NMS]
Azara
 - Azara A. d'Orbigny, 1842 [SYNONYM GENUS 300004:BDVD6 nidx=null parent=7P3L9]
 + Azara A. d'Orbigny, 1844 [SYNONYM GENUS 301523:CGRLC nidx=null parent=7P3L9]
Bactrocera (Bactrocera) ritsemae
 - Bactrocera (Bactrocera) ritsemae (Weyenbergh, 1869) [ACCEPTED SPECIES 300004:929BD nidx=null]
 + Bactrocera (Bactrocera) ritsemae (Weyenbergh, 1869) [ACCEPTED SPECIES 301523:5VZFY nidx=null]
Bactrocera (Paratridacus) unichromata
 - Bactrocera (Paratridacus) unichromata Drew, 1989 [SYNONYM SPECIES 300004:87RKR nidx=null parent=C2TKB]
 + Bactrocera (Paratridacus) unichromata Drew, 1989 [SYNONYM SPECIES 301523:92967 nidx=null parent=C2TKB]
Badura
 - Badura Mulsant & Rey, 1874 [SYNONYM GENUS 300004:CCTHQ nidx=null parent=9JR2V]
 + Badura Mulsant & Rey, 1874 [SYNONYM GENUS 301523:CGSFB nidx=null parent=9JR2V]
Baikalotrema polymorphum
 - Baikalotrema polymorphum (Layman, 1933) Layman, 1951 [SYNONYM SPECIES 300004:7S9VR nidx=null parent=4JGYJ]
 + Baikalotrema polymorphum (Layman, 1933) Layman, 1951 [SYNONYM SPECIES 301523:68B37 nidx=null parent=4JGYJ]
Barbatia (Cucullaria)
 - Barbatia (Cucullaria) Conrad, 1869 [SYNONYM SUBGENUS 300004:CCRWQ nidx=null parent=7NGD8]
 + Barbatia (Cucullaria) Conrad, 1869 [SYNONYM SUBGENUS 301523:CGRH5 nidx=null parent=7NGD8]
Bathytoma stenos
 - Bathytoma stenos [ACCEPTED SPECIES 300004:9JTHP nidx=null]
 + Bathytoma stenos Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010 [ACCEPTED SPECIES 301523:KYKF nidx=null]
Beloptera (Belopterina) levesquei
 - Beloptera (Belopterina) levesquei A. d'Orbigny, 1845 [SYNONYM SPECIES 300004:8ZD5H nidx=null parent=8YLDQ]
 + Beloptera (Belopterina) levesquei A. d'Orbigny, 1842 [SYNONYM SPECIES 301523:CGSDD nidx=null parent=CGSDF]
Beloptera levesquei
 - Beloptera levesquei A. d'Orbigny, 1845 [SYNONYM SPECIES 300004:8ZD5J nidx=null parent=8YLDQ]
 + Beloptera levesquei A. d'Orbigny, 1842 [SYNONYM SPECIES 301523:CGSDC nidx=null parent=CGSDF]
Belopterina levesquei
 - †Belopterina levesquei (A. d'Orbigny, 1845) [ACCEPTED SPECIES 300004:8YLDQ nidx=null]
 + Belopterina levesquei (A. d'Orbigny, 1842) [ACCEPTED SPECIES 301523:CGSDF nidx=null]
Bertea subaptera
 - Bertea subaptera Rondani, 1856 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SLJ nidx=null]
 + Bertea subaptera Rondani, 1856 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JKDP nidx=null]
Bireta (Besaia) dives
 - Bireta (Besaia) dives Kiriakoff, 1962 [SYNONYM SPECIES 300004:963PC nidx=null parent=92WQJ]
 + Bireta (Besaia) dives Kiriakoff, 1962 [SYNONYM SPECIES 301523:BPPPP nidx=null parent=92WQJ]
Bireta (Besaia) yunnana
 - Bireta (Besaia) yunnana Kiriakoff, 1962 [SYNONYM SPECIES 300004:963PP nidx=null parent=92WQS]
 + Bireta (Besaia) yunnana Kiriakoff, 1962 [SYNONYM SPECIES 301523:BPPPY nidx=null parent=92WQS]
Bireta (Norraca) postfusca
 - Bireta (Norraca) postfusca Kiriakoff, 1962 [SYNONYM SPECIES 300004:963PH nidx=null parent=988P9]
 + Bireta (Norraca) postfusca Kiriakoff, 1962 [SYNONYM SPECIES 301523:BPPPS nidx=null parent=988P9]
Bireta (Norracana) niveipicta
 - Bireta (Norracana) niveipicta Kiriakoff, 1962 [SYNONYM SPECIES 300004:963PF nidx=null parent=988NV]
 + Bireta (Norracana) niveipicta Kiriakoff, 1962 [SYNONYM SPECIES 301523:BPPPR nidx=null parent=988NV]
Bireta (Oraura) aurora
 - Bireta (Oraura) aurora Kiriakoff, 1962 [SYNONYM SPECIES 300004:BPPPN nidx=null parent=C392F]
 + Bireta (Oraura) aurora Kiriakoff, 1962 [SYNONYM SPECIES 301523:963PB nidx=null parent=C392F]
Bispira rugosa monterea
 - Bispira rugosa monterea Monro, 1933 [SYNONYM SUBSPECIES 300004:5FY67 nidx=null parent=LWYR]
 + Bispira rugosa monterea (Chamberlin, 1919) [SYNONYM SUBSPECIES 301523:CGT3C nidx=null parent=3C2CS]
Bittium binodulosum
 - †Bittium binodulosum Guzhov, 2022 [ACCEPTED SPECIES 300004:B6DK7 nidx=null]
 + Bittium binodulosum Yokoyama, 1920 [ACCEPTED SPECIES 301523:CGT4F nidx=null]
Blanus bedraigai
 - Blanus bedraigai Al-Jumaily, 1971 [SYNONYM SPECIES 300004:8828D nidx=null parent=68MDT]
 + Blanus bedraigai Al-Jumaily, 1971 [SYNONYM SPECIES 301523:LZZ8 nidx=null parent=68MDT]
Bolitophila pulveris
 - †Bolitophila pulveris Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SLL nidx=null]
 + Bolitophila pulveris Lewis, 1969 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JKJZ nidx=null]
Bombyx (Pania) phantoma
 - Bombyx (Pania) phantoma Dalman, 1823 [SYNONYM SPECIES 300004:964Q3 nidx=null parent=5GCMT]
 + Bombyx (Pania) phantoma Dalman, 1823 [SYNONYM SPECIES 301523:BPPRW nidx=null parent=5GCMT]
Borneogryllacris deschampsi
 - Borneogryllacris deschampsi (Bruner, 1915) [SYNONYM SPECIES 300004:8PXBK nidx=null parent=8PXHB]
 + Borneogryllacris deschampsi (Griffini, 1914) [ACCEPTED SPECIES 301523:CGTVH nidx=null]
Bowenia
 - Bowenia [ACCEPTED GENUS 300004:CCTQ7 nidx=null]
 + Bowenia Hook. ex Hook.f. [ACCEPTED GENUS 301523:CGSLD nidx=null]
Brotia (Tinnyea) escheri aquitanica
 - Brotia (Tinnyea) escheri aquitanica (Noulet, 1846) [SYNONYM SUBSPECIES 300004:C956F nidx=null parent=573CC]
 + Brotia (Tinnyea) escheri aquitanica (Noulet, 1846) [SYNONYM SUBSPECIES 301523:CGTH4 nidx=null parent=573CC]
Buccinum cochlidium
 - Buccinum cochlidium auct. [SYNONYM SPECIES 300004:C965F nidx=null parent=NKYP]
 + Buccinum cochlidium [SYNONYM SPECIES 301523:BFQRQ nidx=null parent=NKYP]
Bulimulus (Goniostomus)
 - Bulimulus (Goniostomus) auct. [SYNONYM SUBGENUS 300004:C9776 nidx=null parent=7P4GY]
 + Bulimulus (Goniostomus) [SYNONYM SUBGENUS 301523:BSC5G nidx=null parent=7P4GY]
Bulimulus (Naesiotus) habeli
 - Bulimulus (Naesiotus) habeli Stearns, 1892 [SYNONYM SPECIES 300004:CFKCP nidx=null parent=CG63L]
 + Bulimulus (Naesiotus) habeli Dall, 1892 [SYNONYM SPECIES 301523:CGTZ3 nidx=null parent=CH9GZ]
Bulimulus (Pleuropyrgus) habeli
 - Bulimulus (Pleuropyrgus) habeli Stearns, 1892 [SYNONYM SPECIES 300004:CFKCN nidx=null parent=CG63L]
 + Bulimulus (Pleuropyrgus) habeli Dall, 1892 [SYNONYM SPECIES 301523:CGTZ2 nidx=null parent=CH9GZ]
Bulimus lita
 - Bulimus lita A. d'Orbigny, 1838 [SYNONYM SPECIES 300004:NTFK nidx=null parent=6DLD2]
 + Bulimus lita (Quoy & Gaimard, 1825) [SYNONYM SPECIES 301523:CGV27 nidx=null parent=6DLD2]
Bythoscopus strobi
 - Bythoscopus strobi Fitch, 1851 [SYNONYM SPECIES 300004:C98XR nidx=null parent=4D88R]
 + Bythoscopus strobi Fitch, 1851 [SYNONYM SPECIES 301523:CGVBZ nidx=null parent=4D88R]
Callistochiton (Lophochiton)
 - Callistochiton (Lophochiton) Ashby, 1923 [SYNONYM SUBGENUS 300004:BGJ6L nidx=null parent=C4Z52]
 + Callistochiton (Lophochiton) Ashby, 1923 [SYNONYM SUBGENUS 301523:BGJ6K nidx=null parent=C4Z52]
Callobata brasiliana
 - Callobata brasiliana Rondani, 1863 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SMX nidx=null]
 + Callobata brasiliana Rondani, 1863 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JLNS nidx=null]
Callorhynchus antarcticus
 - Callorhynchus antarcticus Fleming, 1822 [SYNONYM SPECIES 300004:C6K35 nidx=null parent=PVZB]
 + Callorhynchus antarcticus Fleming, 1822 [SYNONYM SPECIES 301523:CGTM2 nidx=null parent=PVZB]
 + Callorhynchus antarcticus () [MISAPPLIED SPECIES 301523:CGTM3 nidx=null parent=PVZC]
Cambalopsis calvus
 - Cambalopsis calvus (Pocock, 1893) [SYNONYM SPECIES 300004:CFKJS nidx=null parent=57R9Y]
 + Cambalopsis calvus (Pocock, 1893) [SYNONYM SPECIES 301523:CGV52 nidx=null parent=57R9Y]
Capnioneura petitpierrae
 - Capnioneura petitpierrae [SYNONYM SPECIES 300004:8N8BR nidx=null parent=QQVC]
 + Capnioneura petitpierrae Aubert, 1960 [SYNONYM SPECIES 301523:CGVXV nidx=null parent=QQVC]
Capnogryllacris deschampsi
 - Capnogryllacris deschampsi (Bruner, 1915) [ACCEPTED SPECIES 300004:8PXHB nidx=null]
 + Capnogryllacris deschampsi (Griffini, 1914) [SYNONYM SPECIES 301523:CGVY4 nidx=null parent=CGTVH]
Capnogryllacris fruhstorferi fruhstorferi
 - Capnogryllacris fruhstorferi fruhstorferi (Griffini, 1908) [ACCEPTED SUBSPECIES 300004:8PLW8 nidx=null]
 + Capnogryllacris fruhstorferi fruhstorferi (Griffini, 1908) [SYNONYM SUBSPECIES 301523:5G78Z nidx=null parent=CHN32]
Capnogryllacris fruhstorferi pileatus
 - Capnogryllacris fruhstorferi pileatus Gorochov, 2003 [ACCEPTED SUBSPECIES 300004:8PLW9 nidx=null]
 + Capnogryllacris fruhstorferi pileatus Gorochov, 2003 [SYNONYM SUBSPECIES 301523:5G792 nidx=null parent=CHN3P]
Capnogryllacris helocephala
 - Capnogryllacris helocephala Gorochov, 2003 [ACCEPTED SPECIES 300004:8P7GM nidx=null]
 + Capnogryllacris helocephala Gorochov, 2003 [SYNONYM SPECIES 301523:QR96 nidx=null parent=CHN34]
Capnogryllacris melanocrania
 - Capnogryllacris melanocrania (Karny, 1929) [ACCEPTED SPECIES 300004:8P7GQ nidx=null]
 + Capnogryllacris melanocrania (Karny, 1929) [SYNONYM SPECIES 301523:QR98 nidx=null parent=CHN2J]
Capnogryllacris phaeocephala
 - Capnogryllacris phaeocephala Gorochov, 2003 [ACCEPTED SPECIES 300004:8P7GV nidx=null]
 + Capnogryllacris phaeocephala Gorochov, 2003 [SYNONYM SPECIES 301523:QR9C nidx=null parent=CHN33]
Cardicola jiigurru
 - Cardicola jiigurru Yong, Cutmore, Miller, Wee & Cribb, 2016 [ACCEPTED SPECIES 300004:CFJ7R nidx=null]
 + Cardicola jiigurru Yong, Cutmore, Miller, Wee & Cribb, 2016 [ACCEPTED SPECIES 301523:CGT4V nidx=null]
Cardiocephaloides longicollis
 - Cardiocephaloides longicollis (Rudolphi, 1819) Dubois, 1982 [ACCEPTED SPECIES 300004:R56W nidx=null]
 + Cardiocephaloides longicollis (Rudolphi, 1819) Dubois, 1978 [ACCEPTED SPECIES 301523:CGT4X nidx=null]
Cardiomya cleryana
 - Cardiomya cleryana (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:R5JH nidx=null]
 + Cardiomya cleryana (A. d'Orbigny, 1846) [ACCEPTED SPECIES 301523:CGT57 nidx=null]
Cassida (Cassida) flaveola
 - Cassida (Cassida) flaveola Thunberg, 1794 [ACCEPTED SPECIES 300004:7RYKH nidx=null]
 + Cassida (Cassida) flaveola Thunberg, 1794 [ACCEPTED SPECIES 301523:5XCTW nidx=null]
Catharodesmus major
 - Catharodesmus major (Silvestri, 1897) [SYNONYM SPECIES 300004:CFKN7 nidx=null parent=3SYKZ]
 + Catharodesmus major (Silvestri, 1897) [SYNONYM SPECIES 301523:CGV6V nidx=null parent=3SYKZ]
Catreolus ornaticollis
 - Catreolus ornaticollis [SYNONYM SPECIES 300004:9GP3B nidx=null parent=XRBP]
 + Catreolus ornaticollis (Blanchard, 1851) [SYNONYM SPECIES 301523:8PXKS nidx=null parent=XRBP]
Catreus ornaticollis
 - Catreus ornaticollis [SYNONYM SPECIES 300004:8P7L6 nidx=null parent=XRBP]
 + Catreus ornaticollis (Blanchard, 1851) [SYNONYM SPECIES 301523:RW93 nidx=null parent=XRBP]
Ceratopogon succinctus
 - Ceratopogon succinctus Wiedemann, 1818 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SQG nidx=null]
 + Ceratopogon succinctus Wiedemann, 1818 [PROVISIONALLY_ACCEPTED SPECIES 301523:9TKXV nidx=null]
Ceratozamia
 - Ceratozamia [ACCEPTED GENUS 300004:CCWFT nidx=null]
 + Ceratozamia Brongn. [ACCEPTED GENUS 301523:CGTDJ nidx=null]
Ceratozamia mexicana var. longifolia
 - Ceratozamia mexicana var. longifolia Miq. [SYNONYM VARIETY 300004:5MYZC nidx=null parent=SQKW]
 + Ceratozamia mexicana var. longifolia (Miq.) Dyer [SYNONYM VARIETY 301523:CGTDV nidx=null parent=SQL8]
Ceroxys ethiopia
 - †Ceroxys ethiopia Meunier, 1908 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SQX nidx=null]
 + Ceroxys ethiopia Meunier, 1908 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JMS5 nidx=null]
Cervaphis cambodiensis
 - Cervaphis cambodiensis Takahashi, 1950 [SYNONYM SPECIES 300004:8P7P5 nidx=null parent=T52T]
 + Cervaphis cambodiensis Takahashi, 1941 [SYNONYM SPECIES 301523:CGTSR nidx=null parent=T52T]
Cervaphis canbodiensis
 - Cervaphis canbodiensis Takahashi, 1950 [SYNONYM SPECIES 300004:C6K5L nidx=null parent=T52T]
 + Cervaphis canbodiensis Takahashi, 1941 [SYNONYM SPECIES 301523:CGTSS nidx=null parent=T52T]
Chaetopleura (Chaetopleura) isabellei
 - Chaetopleura (Chaetopleura) isabellei (A. d'Orbigny, 1841) [SYNONYM SPECIES 300004:TDQ4 nidx=null parent=TDR4]
 + Chaetopleura (Chaetopleura) isabellei (A. d'Orbigny, 1839) [SYNONYM SPECIES 301523:CGV5F nidx=null parent=CGV5D]
Chaetopleura isabellei
 - Chaetopleura isabellei (A. d'Orbigny, 1841) [ACCEPTED SPECIES 300004:TDR4 nidx=null]
 + Chaetopleura isabellei (A. d'Orbigny, 1839) [ACCEPTED SPECIES 301523:CGV5D nidx=null]
Chalinissa elongata var. tenuispicula
 - Chalinissa elongata var. tenuispicula Thum, 1903 [SYNONYM VARIETY 300004:857QW nidx=null parent=PWMD]
 + Chalinissa elongata var. tenuispicula Thum, 1903 [SYNONYM VARIETY 301523:857QX nidx=null parent=PWMD]
Cheilosia nigroapicata
 - Cheilosia nigroapicata Curran, 1926 [ACCEPTED SPECIES 300004:92LQG nidx=null]
 + Cheilosia nigroapicata Curran, 1926 [ACCEPTED SPECIES 301523:TSRZ nidx=null]
Cheilosia nigrofasciata
 - Cheilosia nigrofasciata Curran, 1926 [ACCEPTED SPECIES 300004:92LQH nidx=null]
 + Cheilosia nigrofasciata Curran, 1926 [ACCEPTED SPECIES 301523:TSS3 nidx=null]
Cheilosialepta baltica
 - †Cheilosialepta baltica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SRQ nidx=null]
 + Cheilosialepta baltica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JMVJ nidx=null]
Chelidura albipennis
 - Chelidura albipennis [SYNONYM SPECIES 300004:BWLR4 nidx=null parent=8MWTL]
 + Chelidura albipennis (von Muhlfeld, 1825) [SYNONYM SPECIES 301523:CGVWV nidx=null parent=682DK]
Chiaja
 - Chiaja auct. [SYNONYM GENUS 300004:C9CS5 nidx=null parent=7P7D6]
 + Chiaja [SYNONYM GENUS 301523:CGVZ3 nidx=null parent=7P7D6]
Chironomus articuliferus
 - Chironomus articuliferus Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SS8 nidx=null]
 + Chironomus articuliferus Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JMXR nidx=null]
Chironomus tessellatus
 - Chironomus tessellatus Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SSN nidx=null]
 + Chironomus tessellatus Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JN5Q nidx=null]
Chironomus tripartitus
 - Chironomus tripartitus Kieffer, 1910 [SYNONYM SPECIES 300004:889BF nidx=null parent=CDWTT]
 + Chironomus tripartitus Kieffer, 1910 [SYNONYM SPECIES 301523:5Y6FG nidx=null parent=CDWTT]
Chiton isabellei
 - Chiton isabellei A. d'Orbigny, 1841 [SYNONYM SPECIES 300004:BFS4N nidx=null parent=TDR4]
 + Chiton isabellei A. d'Orbigny, 1839 [SYNONYM SPECIES 301523:CGWLR nidx=null parent=CGV5D]
Chiton tehuelchus
 - Chiton tehuelchus A. d'Orbigny, 1841 [SYNONYM SPECIES 300004:BH24F nidx=null parent=TDQL]
 + Chiton tehuelchus A. d'Orbigny, 1839 [SYNONYM SPECIES 301523:CGWLT nidx=null parent=TDQL]
Chlorophyta
 - Chlorophyta [ACCEPTED PHYLUM 300004:3C nidx=null]
 + Chlorophyta Reichenbach, 1828 [ACCEPTED PHYLUM 301523:CGV54 nidx=null]
Chondropometes (Chondropometes) vignalense poenitentis
 - Chondropometes (Chondropometes) vignalense poenitentis de la Torre & Bartsch, 193 [SYNONYM SUBSPECIES 300004:9ZQTW nidx=null parent=B74XP]
 + Chondropometes (Chondropometes) vignalense poenitentis C. de la Torre & Bartsch, 1938 [SYNONYM SUBSPECIES 301523:CGV7T nidx=null parent=CGV7V]
Chondropometes vignalense poenitentis
 - Chondropometes vignalense poenitentis de la Torre & Bartsch, 1938 [ACCEPTED SUBSPECIES 300004:B74XP nidx=null]
 + Chondropometes vignalense poenitentis C. de la Torre & Bartsch, 1938 [ACCEPTED SUBSPECIES 301523:CGV7V nidx=null]
Chondrothyra gundlachi deviata
 - Chondrothyra gundlachi deviata (de la Torre & Bartsch, 1838) [ACCEPTED SUBSPECIES 300004:8VQ8N nidx=null]
 + Chondrothyra gundlachi deviata (C. de la Torre & Bartsch, 1938) [ACCEPTED SUBSPECIES 301523:CGV82 nidx=null]
Chondrothyretes parilis amoena
 - Chondrothyretes parilis amoena de la Torre & Bartsch, 1838 [SYNONYM SUBSPECIES 300004:B2LCZ nidx=null parent=7TS7Y]
 + Chondrothyretes parilis amoena C. de la Torre & Bartsch, 1938 [SYNONYM SUBSPECIES 301523:CGV88 nidx=null parent=7TS7Y]
Chortophila liturata
 - Chortophila liturata Rondani, 1868 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3SSZ nidx=null]
 + Chortophila liturata Rondani, 1868 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JN92 nidx=null]
Chortophila varipes
 - Chortophila varipes Pokorny, 1889 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ST2 nidx=null]
 + Chortophila varipes Pokorny, 1889 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JN9D nidx=null]
Chremistica seminigra
 - Chremistica seminigra (Distant, 1909) [ACCEPTED SPECIES 300004:8KL9V nidx=null]
 + Chremistica seminigra (Distant, 1909) [ACCEPTED SPECIES 301523:5YFCR nidx=null]
Chrysalis
 - Chrysalis auct. [SYNONYM GENUS 300004:C99LW nidx=null parent=7NZZN]
 + Chrysalis [SYNONYM GENUS 301523:BG9MW nidx=null parent=7NZZN]
Cicada duvancellii
 - Cicada duvancellii (Guérin-Méneville, 1829) [SYNONYM SPECIES 300004:CCZSY nidx=null parent=RDD9]
 + Cicada duvancellii (Guérin-Méneville, 1829) [SYNONYM SPECIES 301523:CGW3D nidx=null parent=RDD9]
Cicada fusconervosa
 - Cicada fusconervosa Stål, 1855 [SYNONYM SPECIES 300004:8HY7J nidx=null parent=8JNK7]
 + Cicada fusconervosa Stål, 1855 [SYNONYM SPECIES 301523:V5QZ nidx=null parent=8JNK7]
Cicada haematodis
 - Cicada haematodis (Scopoli, 1763) [SYNONYM SPECIES 300004:CFLRP nidx=null parent=8JJV6]
 + Cicada haematodis (Scopoli, 1763) [SYNONYM SPECIES 301523:CGW3G nidx=null parent=8JJV6]
Cicada plebja
 - Cicada plebja (Scopoli, 1763) [SYNONYM SPECIES 300004:CCZT6 nidx=null parent=8PDBW]
 + Cicada plebja (Scopoli, 1763) [SYNONYM SPECIES 301523:CGW3J nidx=null parent=8PDBW]
Cicada steveni
 - Cicada steveni Stål, 1854 [AMBIGUOUS_SYNONYM SPECIES 300004:8HYJ9 nidx=null parent=4NB3L]
 + Cicada steveni Stål, 1854 [AMBIGUOUS_SYNONYM SPECIES 301523:V69T nidx=null parent=4NB3L]
Cicadula cyane
 - Cicadula cyane (Boheman, 1845) [SYNONYM SPECIES 300004:8JR56 nidx=null parent=8JW7D]
 + Cicadula cyane (Boheman, 1845) [SYNONYM SPECIES 301523:CGW5B nidx=null parent=8JW7D]
Cicindela marginalis
 - Cicindela marginalis Beuthin, 1895 unavailable name [AMBIGUOUS_SYNONYM SPECIES 300004:C9DJ5 nidx=null parent=8MG6Q]
 + Cicindela marginalis Beuthin, 1895 [AMBIGUOUS_SYNONYM SPECIES 301523:CGW97 nidx=null parent=8MG6Q]
 + Cicindela marginalis Beuthin, 1894 [AMBIGUOUS_SYNONYM SPECIES 301523:CGW98 nidx=null parent=8MLTQ]
Cidarites
 - Cidarites auct. [PROVISIONALLY_ACCEPTED GENUS 300004:C9DPW nidx=null]
 - Cidarites auct. [SYNONYM GENUS 300004:C9DPX nidx=null parent=7NSWK]
 + Cidarites [PROVISIONALLY_ACCEPTED GENUS 301523:62LB2 nidx=null]
 + Cidarites [SYNONYM GENUS 301523:BG9NV nidx=null parent=7NSWK]
Cirratulus tentaculatus meridionalis
 - Cirratulus tentaculatus meridionalis Marenzeller, 1887 [SYNONYM SUBSPECIES 300004:85S6Q nidx=null parent=5DVGR]
 + Cirratulus tentaculatus meridionalis Marenzeller, 1887 [SYNONYM SUBSPECIES 301523:5GGLX nidx=null parent=5DVGR]
Cistena pallassii
 - Cistena pallassii Leach, 1816 [SYNONYM SPECIES 300004:852L6 nidx=null parent=75VKH]
 + Cistena pallassii Leach, 1816 [SYNONYM SPECIES 301523:VLD8 nidx=null parent=75VKH]
Claassenia subulosa
 - Claassenia subulosa [SYNONYM SPECIES 300004:8NGNR nidx=null parent=VN7K]
 + Claassenia subulosa Banks, 1900 [SYNONYM SPECIES 301523:CGX37 nidx=null parent=VN7K]
Clanculus miniatus
 - Clanculus miniatus auct. [AMBIGUOUS_SYNONYM SPECIES 300004:C99KL nidx=null parent=VQTK]
 + Clanculus miniatus [AMBIGUOUS_SYNONYM SPECIES 301523:VQS4 nidx=null parent=VQTK]
Clytemnestra tenuis
 - Clytemnestra tenuis Lubbock, 1863 [ACCEPTED SPECIES 300004:5ZFPC nidx=null]
 + Clytemnestra tenuis Lubbock, 1860-1862 [ACCEPTED SPECIES 301523:CGW82 nidx=null]
Coelosphaera (Coelosphaera) appendiculata antarctica
 - Coelosphaera (Coelosphaera) appendiculata antarctica Koltun, 1976 [SYNONYM SUBSPECIES 300004:CD36F nidx=null parent=WSY8]
 + Coelosphaera (Coelosphaera) appendiculata antarctica Koltun, 1976 [SYNONYM SUBSPECIES 301523:CGWZ8 nidx=null parent=WSY8]
Coenobothrus karawanus
 - Coenobothrus karawanus Attems, 1938 [ACCEPTED SPECIES 300004:CFMZ8 nidx=null]
 + Coenobothrus karawanus Attems, 1938 [ACCEPTED SPECIES 301523:CGX38 nidx=null]
Colombella fusiformis
 - Colombella fusiformis A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:9J8MD nidx=null parent=43QZ3]
 + Colombella fusiformis A. d'Orbigny, 1844 [SYNONYM SPECIES 301523:CGXFM nidx=null parent=43QZ3]
Colpocephalum haliaeti
 - Colpocephalum haliaeti Denny, 1842 [SYNONYM SPECIES 300004:8MY8G nidx=null parent=3RG62]
 + Colpocephalum haliaeti Denny, 1842 [SYNONYM SPECIES 301523:5ZMKK nidx=null parent=3RG62]
Columbella fusiformis
 - Columbella fusiformis A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:BFT2Q nidx=null parent=43QZ3]
 + Columbella fusiformis A. d'Orbigny, 1844 [SYNONYM SPECIES 301523:CGXJY nidx=null parent=43QZ3]
Comaster multibrachiatus
 - Comaster multibrachiatus (Carpenter, 1888) [SYNONYM SPECIES 300004:CD4CW nidx=null parent=8GGJ7]
 + Comaster multibrachiatus (Carpenter, 1888) [SYNONYM SPECIES 301523:CGXKY nidx=null parent=8GGJ7]
Conus (Rhizoconus) melinus
 - Conus (Rhizoconus) melinus Shikama, 1964 [SYNONYM SPECIES 300004:C6V3B nidx=null parent=XXVP]
 + Conus (Rhizoconus) melinus Shikama, 1964 [SYNONYM SPECIES 301523:CGW9B nidx=null parent=XXVP]
Conus (Rhizoconus) suluensis
 - Conus (Rhizoconus) suluensis Shikama, 1979 [SYNONYM SPECIES 300004:CD26J nidx=null parent=5ZY5P]
 + Conus (Rhizoconus) suluensis Shikama, 1979 [SYNONYM SPECIES 301523:CGWD6 nidx=null parent=5ZY5P]
Conus (Virgiconus) tamikoae
 - Conus (Virgiconus) tamikoae Shikama, 1973 [SYNONYM SPECIES 300004:CD26L nidx=null parent=XXNM]
 + Conus (Virgiconus) tamikoae Shikama, 1973 [SYNONYM SPECIES 301523:CGWD8 nidx=null parent=XXNM]
Cordylura aea
 - Cordylura aea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3T4Y nidx=null]
 + Cordylura aea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JNW9 nidx=null]
Corocolla
 - Corocolla auct. [SYNONYM GENUS 300004:C9CQK nidx=null parent=7NRVB]
 + Corocolla [SYNONYM GENUS 301523:BGB8R nidx=null parent=7NRVB]
Cosmetodon
 - Cosmetodon C. C. Branson, 1842 [SYNONYM GENUS 300004:C4YD8 nidx=null parent=7P4JB]
 + Cosmetodon C. C. Branson, 1942 [SYNONYM GENUS 301523:CGXKV nidx=null parent=7P4JB]
Cosmosciara hartii
 - Cosmosciara hartii (Johannsen, 1912) [ACCEPTED SPECIES 300004:8BLH2 nidx=null]
 + Cosmosciara hartii (Johannsen, 1912) [ACCEPTED SPECIES 301523:8BLH3 nidx=null]
Cossmannea desvoidyi
 - Cossmannea desvoidyi [SYNONYM SPECIES 300004:C5X5M nidx=null parent=9FYY5]
 + Cossmannea desvoidyi (A. d'Orbigny, 1850) [ACCEPTED SPECIES 301523:CGXN9 nidx=null]
Cranaphis
 - Cranaphis [ACCEPTED GENUS 300004:3V5T nidx=null]
 + Cranaphis Takahashi, 1937 [ACCEPTED GENUS 301523:CGXWW nidx=null]
Craspedosoma mexicanum
 - Craspedosoma mexicanum Humbert & De Saussure, 1869 [SYNONYM SPECIES 300004:CFPC7 nidx=null parent=VWYJ]
 + Craspedosoma mexicanum Humbert & De Saussure, 1869 [SYNONYM SPECIES 301523:CGY2M nidx=null parent=VWYJ]
Ctenophorocera polleniina
 - Ctenophorocera polleniina Bezzi, 1908 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3T9S nidx=null]
 + Ctenophorocera polleniina Bezzi, 1908 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JP34 nidx=null]
Cubatea
 - †Cubatea Kiel, 2013 [ACCEPTED GENUS 300004:8PP3V nidx=null]
 + Cubatea Kiel, K. A. Campbell & C. Gaillard, 2010 [ACCEPTED GENUS 301523:CGXGM nidx=null]
Culex (Culex) mimeticus
 - Culex (Culex) mimeticus Noè, 1899 [ACCEPTED SPECIES 300004:8BML9 nidx=null]
 + Culex (Culex) mimeticus Noè, 1899 [ACCEPTED SPECIES 301523:32BHJ nidx=null]
Culex escomeli
 - Culex escomeli Brèthes, 1920 [SYNONYM SPECIES 300004:88FC9 nidx=null parent=8BMH5]
 + Culex escomeli Brèthes, 1920 [SYNONYM SPECIES 301523:32B68 nidx=null parent=8BMH5]
Culex fossilis
 - †Culex fossilis Brodie, 1845 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3TB4 nidx=null]
 + Culex fossilis Brodie, 1845 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JP45 nidx=null]
Culicoides (Meijerehelea) sugimotonis
 - Culicoides (Meijerehelea) sugimotonis Shiraki, 1913 [ACCEPTED SPECIES 300004:CD4CT nidx=null]
 + Culicoides (Meijerehelea) sugimotonis Shiraki, 1913 [ACCEPTED SPECIES 301523:CGXKW nidx=null]
Cyana (Clerckia) meyricci
 - Cyana (Clerckia) meyricci Hampson, 1914 [SYNONYM SPECIES 300004:BPT2S nidx=null parent=BFNT5]
 + Cyana (Clerckia) meyricci Hampson, 1914 [SYNONYM SPECIES 301523:96HYW nidx=null parent=BFNT5]
Cycadaceae
 - Cycadaceae [ACCEPTED FAMILY 300004:624FX nidx=null]
 + Cycadaceae Pers. [ACCEPTED FAMILY 301523:CGVD8 nidx=null]
Cycadales
 - Cycadales [ACCEPTED ORDER 300004:32T nidx=null]
 + Cycadales Pers. ex Bercht. & J. Presl [ACCEPTED ORDER 301523:CGVD9 nidx=null]
Cycadopsida
 - Cycadopsida [ACCEPTED CLASS 300004:622DH nidx=null]
 + Cycadopsida Brongn. [ACCEPTED CLASS 301523:CGVDB nidx=null]
Cycas
 - Cycas [ACCEPTED GENUS 300004:CD582 nidx=null]
 + Cycas L. [ACCEPTED GENUS 301523:CGY4B nidx=null]
Cycas javana
 - Cycas javana (Miq.) de Laub. [ACCEPTED SPECIES 300004:32S3M nidx=null]
 + Cycas javana (Miq.) de Laub. ex D.Yue Wang [ACCEPTED SPECIES 301523:CGY4V nidx=null]
Cycas parvula
 - Cycas parvula S.L.Yang [SYNONYM SPECIES 300004:32S4T nidx=null parent=32S2Z]
 + Cycas parvula S.L.Yang ex D.Yue Wang [SYNONYM SPECIES 301523:CGY4Y nidx=null parent=32S2Z]
Cycas thouarsii
 - Cycas thouarsii R.Br. ex Gaudich. [ACCEPTED SPECIES 300004:32S5X nidx=null]
 + Cycas thouarsii R.Br. [ACCEPTED SPECIES 301523:CGY55 nidx=null]
Cyclas fontainei
 - Cyclas fontainei A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:32STW nidx=null parent=4LBDJ]
 + Cyclas fontainei A. d'Orbigny, 1846 [SYNONYM SPECIES 301523:CGY5V nidx=null parent=CHCFZ]
Cyclocibicides vermiculatus
 - Cyclocibicides vermiculatus (d'Orbigny, 1826) [ACCEPTED SPECIES 300004:C4RRZ nidx=null]
 + Cyclocibicides vermiculatus (d'Orbigny, 1826) [ACCEPTED SPECIES 301523:6BSDQ nidx=null]
Cylindrella garciana
 - Cylindrella garciana L. Pfeiffer, 1866 [SYNONYM SPECIES 300004:8TXV9 nidx=null parent=8TYGV]
 + Cylindrella garciana Presas, 1865 [SYNONYM SPECIES 301523:CGYJW nidx=null parent=8TYGV]
Cystocoelia immaculata
 - Cystocoelia immaculata [SYNONYM SPECIES 300004:8P8R8 nidx=null parent=NTYY]
 + Cystocoelia immaculata (Thunberg, 1775) [SYNONYM SPECIES 301523:33PPV nidx=null parent=NTYY]
Cytheropteron (Cytheropteron) terecaudum
 - Cytheropteron (Cytheropteron) terecaudum Hornibrook, 1952 [SYNONYM SPECIES 300004:CD3V8 nidx=null parent=85W4S]
 + Cytheropteron (Cytheropteron) terecaudum Hornibrook, 1952 [SYNONYM SPECIES 301523:CGXCM nidx=null parent=85W4S]
Dactynotus cirsi
 - Dactynotus cirsi (Linnaeus, 1758) [SYNONYM SPECIES 300004:CFNMG nidx=null parent=7DTZT]
 + Dactynotus cirsi (Linnaeus, 1758) [SYNONYM SPECIES 301523:CGXJF nidx=null parent=7DTZT]
Danielopolina (Humphreysella) baltanasi
 - Danielopolina (Humphreysella) baltanasi Kornicker in Humphreys, Kornicker & Danielopol, 2009 [SYNONYM SPECIES 300004:CFNVB nidx=null parent=6MFZL]
 + Danielopolina (Humphreysella) baltanasi Kornicker in Humphreys, Kornicker & Danielopol, 2009 [SYNONYM SPECIES 301523:CGXP4 nidx=null parent=6MFZL]
Daptonema crassissimus
 - Daptonema crassissimus (Ditlevsen, 1911) [SYNONYM SPECIES 300004:BMVJ2 nidx=null parent=BSZ86]
 + Daptonema crassissimus (Ditlevsen, 1911) [SYNONYM SPECIES 301523:BJWJF nidx=null parent=BSZ86]
Dasypogon (Saropogon) chalybeiventris
 - Dasypogon (Saropogon) chalybeiventris Loew, 1851 [SYNONYM SPECIES 300004:88JBC nidx=null parent=8B38Z]
 + Dasypogon (Saropogon) chalybeiventris Loew, 1851 [SYNONYM SPECIES 301523:349LG nidx=null parent=8B38Z]
Degeeria mexicana
 - Degeeria mexicana Giglio-Tos, 1893 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3TJM nidx=null]
 + Degeeria mexicana Giglio-Tos, 1893 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JPZL nidx=null]
Deltocephalus (Recilia) fletcheri
 - Deltocephalus (Recilia) fletcheri (Singh-Pruthi, 1930) [SYNONYM SPECIES 300004:CFPVG nidx=null parent=8RLVQ]
 + Deltocephalus (Recilia) fletcheri (Singh-Pruthi, 1930) [SYNONYM SPECIES 301523:CGYFV nidx=null parent=8RLVQ]
Deltocephalus myscellus
 - Deltocephalus myscellus (Ball, 1899) [SYNONYM SPECIES 300004:CFPVT nidx=null parent=6P37J]
 + Deltocephalus myscellus (Ball, 1899) [SYNONYM SPECIES 301523:CGYG6 nidx=null parent=6P37J]
Deltocephalus tiaratus
 - Deltocephalus tiaratus Fieber, 1869 [SYNONYM SPECIES 300004:CFPVZ nidx=null parent=C9P8R]
 + Deltocephalus tiaratus Fieber, 1869 [SYNONYM SPECIES 301523:CGYGD nidx=null parent=C9P8R]
Deltocephalus xanthoneurus
 - Deltocephalus xanthoneurus Fieber, 1869 [SYNONYM SPECIES 300004:C9K47 nidx=null parent=4YCH5]
 + Deltocephalus xanthoneurus Fieber, 1869 [SYNONYM SPECIES 301523:CGYGF nidx=null parent=4YCH5]
Dendromyia (Calladimyia) melanoides
 - Dendromyia (Calladimyia) melanoides Root, 1928 [SYNONYM SPECIES 300004:88JM9 nidx=null parent=5C4BH]
 + Dendromyia (Calladimyia) melanoides Root, 1928 [SYNONYM SPECIES 301523:34QNS nidx=null parent=5C4BH]
Dendropoma annulatus
 - Dendropoma annulatus auct. [SYNONYM SPECIES 300004:C9KWB nidx=null parent=34S2Y]
 + Dendropoma annulatus [SYNONYM SPECIES 301523:34S2W nidx=null parent=34S2Y]
Derbyia hardmani
 - †Derbyia hardmani Archbold, 1993 [ACCEPTED SPECIES 300004:CD6Z8 nidx=null]
 + Derbyia hardmani Thomas, 1958 [ACCEPTED SPECIES 301523:CGZ3P nidx=null]
Dermaphis crematogastri
 - Dermaphis crematogastri [ACCEPTED SPECIES 300004:34WPT nidx=null]
 + Dermaphis crematogastri (Takahashi, 1941) [ACCEPTED SPECIES 301523:CGZ4D nidx=null]
Dermatodidymocystis indicus
 - Dermatodidymocystis indicus Nikolaeva & Dubina, 1978 [SYNONYM SPECIES 300004:7VPS4 nidx=null parent=4JNFN]
 + Dermatodidymocystis indicus Nikolaeva & Dubina, 1978 [SYNONYM SPECIES 301523:34X2D nidx=null parent=4JNFN]
Dermomurex (Dermomurex)
 - Dermomurex (Dermomurex) Monterosato, 1890 [SYNONYM SUBGENUS 300004:CFFJS nidx=null parent=7NVT5]
 + Dermomurex (Dermomurex) Monterosato, 1890 [SYNONYM SUBGENUS 301523:CGR6Z nidx=null parent=7NVT5]
Diaulula hispida
 - Diaulula hispida (A. d'Orbigny, 1834) [ACCEPTED SPECIES 300004:35GKX nidx=null]
 + Diaulula hispida (A. d'Orbigny, 1836) [ACCEPTED SPECIES 301523:CGY44 nidx=null]
Dichelacera abiens
 - Dichelacera abiens Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3TKF nidx=null]
 + Dichelacera abiens Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JQ6L nidx=null]
Didymodiclinus kovaljovae
 - Didymodiclinus kovaljovae (Nikolaeva & Gaevskaja, 1985) Pozdnyakov, 1994 [ACCEPTED SPECIES 300004:84869 nidx=null]
 + Didymodiclinus kovaljovae (Nikolaeva & Gaevskaja, 1985) Pozdnyakov, 1994 [ACCEPTED SPECIES 301523:35YSQ nidx=null]
Diestrammena (Tachycines) coreana
 - Diestrammena (Tachycines) coreana [SYNONYM SPECIES 300004:8P8YV nidx=null parent=7BF6G]
 + Diestrammena (Tachycines) coreana (Yamasaki, 1969) [SYNONYM SPECIES 301523:362NM nidx=null parent=CHHLY]
Dioon
 - Dioon [ACCEPTED GENUS 300004:CD7PD nidx=null]
 + Dioon Lindl. [ACCEPTED GENUS 301523:CGZHG nidx=null]
Diplodon diluvii
 - †Diplodon diluvii (A. d'Orbigny, 1843) [ACCEPTED SPECIES 300004:8Z67D nidx=null]
 + Diplodon diluvii (A. d'Orbigny, 1839) [ACCEPTED SPECIES 301523:CGZSJ nidx=null]
Diplosis fleothripetiperda
 - Diplosis fleothripetiperda Del Guercio, 1931 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3TQ6 nidx=null]
 + Diplosis fleothripetiperda Del Guercio, 1931 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JQ89 nidx=null]
Diplostomum heronei
 - Diplostomum heronei Srivastava, 1954 [ACCEPTED SPECIES 300004:9X756 nidx=null]
 + Diplostomum heronei Srivastava, 1956 [ACCEPTED SPECIES 301523:CGZY3 nidx=null]
Diuraphis (Diuraphis) noxia
 - Diuraphis (Diuraphis) noxia (Mordvilko, 1913) [ACCEPTED SPECIES 300004:CFPWX nidx=null]
 + Diuraphis (Diuraphis) noxia (Mordvilko, 1913) [ACCEPTED SPECIES 301523:8P93Y nidx=null]
Docophorus rotundus
 - Docophorus rotundus Rudow, 1869 [SYNONYM SPECIES 300004:8MYW7 nidx=null parent=7L2FG]
 + Docophorus rotundus Rudow, 1869 [SYNONYM SPECIES 301523:37398 nidx=null parent=7L2FG]
Dolichopus (Dolichopus) tibiellus
 - Dolichopus (Dolichopus) tibiellus Zetterstedt, 1843 [ACCEPTED SPECIES 300004:CFQ6M nidx=null]
 + Dolichopus (Dolichopus) tibiellus Zetterstedt, 1843 [ACCEPTED SPECIES 301523:CGYND nidx=null]
Dolichopus (Dolichopus) vicinus
 - Dolichopus (Dolichopus) vicinus Macquart, 1834 [ACCEPTED SPECIES 300004:C594D nidx=null]
 + Dolichopus (Dolichopus) vicinus Macquart, 1834 [ACCEPTED SPECIES 301523:CGYNF nidx=null]
Donacilla solenoides
 - Donacilla solenoides A. d'Orbigny, 1845 [SYNONYM SPECIES 300004:379FS nidx=null parent=CH9Z]
 + Donacilla solenoides (P. P. King, 1832) [SYNONYM SPECIES 301523:CGYTN nidx=null parent=3464C]
Donax (Tembrockia)
 - Donax (Tembrockia) Glibert & van de Poe!, 1967 [SYNONYM SUBGENUS 300004:BGSB8 nidx=null parent=7NXCF]
 + Donax (Tembrockia) Glibert & Van de Poel, 1967 [SYNONYM SUBGENUS 301523:CGYVM nidx=null parent=7NXCF]
Doris hispida
 - Doris hispida A. d'Orbigny, 1834 [SYNONYM SPECIES 300004:37DFS nidx=null parent=35GKX]
 + Doris hispida A. d'Orbigny, 1836 [SYNONYM SPECIES 301523:CGZ5N nidx=null parent=CGY44]
Dorylaimus (Longidorus) diversicaudatus
 - Dorylaimus (Longidorus) diversicaudatus Micoletzky, 1927 [SYNONYM SPECIES 300004:8G7NW nidx=null parent=BVBLG]
 + Dorylaimus (Longidorus) diversicaudatus Micoletzky, 1923 [SYNONYM SPECIES 301523:CGZ8B nidx=null parent=BVBLG]
Drepanaphis acerifolii
 - Drepanaphis acerifolii [SYNONYM SPECIES 300004:8P98X nidx=null parent=37MD4]
 + Drepanaphis acerifolii (Thomas, 1878) [SYNONYM SPECIES 301523:37MD5 nidx=null parent=37MD4]
Drepanaphis allegheneyensis
 - Drepanaphis allegheneyensis [SYNONYM SPECIES 300004:8QT7R nidx=null parent=37MD4]
 + Drepanaphis allegheneyensis Miller, 1936 [SYNONYM SPECIES 301523:CGZKG nidx=null parent=37MD4]
Drosophila cinerella
 - Drosophila cinerella Fallén, 1823 [SYNONYM SPECIES 300004:88MJQ nidx=null parent=8BT6R]
 + Drosophila cinerella Fallén, 1823 [SYNONYM SPECIES 301523:6DM4R nidx=null parent=8BT6R]
Dundubia fasciceps
 - Dundubia fasciceps Stål, 1854 [SYNONYM SPECIES 300004:8J37N nidx=null parent=8JJ7R]
 + Dundubia fasciceps Stål, 1854 [SYNONYM SPECIES 301523:382M6 nidx=null parent=8JJ7R]
Dyadimyia aurea
 - Dyadimyia aurea Séguy, 1937 [SYNONYM SPECIES 300004:88NR4 nidx=null parent=C2RY2]
 + Dyadimyia aurea Séguy, 1937 [SYNONYM SPECIES 301523:385HX nidx=null parent=C2RY2]
Dynatosoma gracile
 - Dynatosoma gracile Kertész, 1901 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3V3P nidx=null]
 + Dynatosoma gracile Kertész, 1901 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JQK5 nidx=null]
Echinus (Tripneustes) sardica
 - Echinus (Tripneustes) sardica auct. [SYNONYM SPECIES 300004:C9NC8 nidx=null parent=58YW5]
 + Echinus (Tripneustes) sardica [SYNONYM SPECIES 301523:BSB93 nidx=null parent=58YW5]
Echinus esculentus var. tenuispinus
 - Echinus esculentus var. tenuispinus Norman, 1868 [SYNONYM VARIETY 300004:CFQ9Q nidx=null parent=38LLC]
 + Echinus esculentus var. tenuispinus Norman, 1868 [SYNONYM VARIETY 301523:CGYQY nidx=null parent=38LLC]
Eginea almerae
 - †Eginea almerae (L. M. Vidal, 1898) [ACCEPTED SPECIES 300004:6DYX9 nidx=null]
 + Eginea almerae (Cossmann, 1898) [ACCEPTED SPECIES 301523:CGZ8H nidx=null]
Ellesmerocerida
 - †Ellesmerocerida [PROVISIONALLY_ACCEPTED ORDER 300004:C2KFP nidx=null]
 - Ellesmerocerida [SYNONYM ORDER 300004:C5HS5 nidx=null parent=CD8GN]
 + Ellesmerocerida Flower, 1950 [SYNONYM ORDER 301523:CGZW7 nidx=null parent=CD8GN]
Embrikstrandia inexpectata
 - Embrikstrandia inexpectata Podaný, 1968 [ACCEPTED SPECIES 300004:CFT4J nidx=null]
 + Embrikstrandia inexpectata Podaný, 1968 [ACCEPTED SPECIES 301523:CGZZY nidx=null]
Empis (Anacrostichus) pachymorion
 - Empis (Anacrostichus) pachymorion Frey, 1935 [ACCEPTED SPECIES 300004:8BZ2N nidx=null]
 + Empis (Anacrostichus) pachymorion Frey, 1935 [ACCEPTED SPECIES 301523:39JJJ nidx=null]
Encephalartos
 - Encephalartos [ACCEPTED GENUS 300004:CD9BN nidx=null]
 + Encephalartos Lehm. [ACCEPTED GENUS 301523:CH27C nidx=null]
Encephalartos woodii
 - Encephalartos woodii Sander ex J.M.Wood [ACCEPTED SPECIES 300004:6F868 nidx=null]
 + Encephalartos woodii Sander [ACCEPTED SPECIES 301523:CH27Y nidx=null]
Enterocolinae
 - Enterocolinae Chatton & Hatton, 1924 [SYNONYM SUBFAMILY 300004:7ZFPF nidx=null parent=7NJCM]
 + Enterocolinae Chatton & Hatton, 1922 [SYNONYM SUBFAMILY 301523:CH2NJ nidx=null parent=7NJCM]
Eocapnia shigaensis
 - Eocapnia shigaensis Kawai, 1967 [ACCEPTED SPECIES 300004:6FJ2L nidx=null]
 + Eocapnia shigaensis Illies, 1966 [ACCEPTED SPECIES 301523:6FJ2N nidx=null]
Eomonotis setakanensis
 - †Eomonotis setakanensis (Kiparisova, 1936) [ACCEPTED SPECIES 300004:B3D9D nidx=null]
 + Eomonotis setakanensis (Kiparisova, 1961) [ACCEPTED SPECIES 301523:CH2XH nidx=null]
Eoschizopera (Praeoschizopera)
 - Eoschizopera (Praeoschizopera) [PROVISIONALLY_ACCEPTED SUBGENUS 300004:BS9PZ nidx=null]
 - Eoschizopera (Praeoschizopera) [SYNONYM SUBGENUS 300004:BS9Q2 nidx=null parent=7NYVC]
 + Eoschizopera (Praeoschizopera) Apostolov, 1982 [SYNONYM SUBGENUS 301523:CH2ZG nidx=null parent=7NYVC]
 + Eoschizopera (Praeoschizopera) Apostolov, 1982 [PROVISIONALLY_ACCEPTED SUBGENUS 301523:CH2ZH nidx=null]
Ephippium nigerrima
 - Ephippium nigerrima Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3V9Z nidx=null]
 + Ephippium nigerrima Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JQR6 nidx=null]
Epidapus (Epidapus) microthorax
 - Epidapus (Epidapus) microthorax (Börner, 1903) [ACCEPTED SPECIES 300004:8C2KW nidx=null]
 + Epidapus (Epidapus) microthorax (Börner, 1903) [ACCEPTED SPECIES 301523:6FQHY nidx=null]
Epidapus (Epidapus) schillei
 - Epidapus (Epidapus) schillei (Börner, 1903) [ACCEPTED SPECIES 300004:8C2KY nidx=null]
 + Epidapus (Epidapus) schillei (Börner, 1903) [ACCEPTED SPECIES 301523:6FQHV nidx=null]
Epidapus absoloni
 - Epidapus absoloni Czižek, 1915 [SYNONYM SPECIES 300004:88R6T nidx=null parent=8C2KY]
 + Epidapus absoloni Czižek, 1915 [SYNONYM SPECIES 301523:6G2H7 nidx=null parent=6FQHV]
Epiphragmophora (Micrarionta) guadalupiana
 - Epiphragmophora (Micrarionta) guadalupiana (Pilsbry & Vanatta, 1898) [SYNONYM SPECIES 300004:B8TJN nidx=null parent=B862T]
 + Epiphragmophora (Micrarionta) guadalupiana Dall, 1898 [SYNONYM SPECIES 301523:CGZ8P nidx=null parent=42QPH]
Epiphragmophora guadelupiana
 - Epiphragmophora guadelupiana Pilsbry & Vanatta, 1898 [SYNONYM SPECIES 300004:B8PZL nidx=null parent=B862T]
 + Epiphragmophora guadelupiana Dall, 1898 [SYNONYM SPECIES 301523:CGZ8Q nidx=null parent=42QPH]
Erax nervosus
 - Erax nervosus Macquart, 1838 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VFS nidx=null]
 + Erax nervosus Macquart, 1838 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JQS4 nidx=null]
Eristalis (Eoseristalis) flavicinctus
 - Eristalis (Eoseristalis) flavicinctus Fabricius, 1805 [ACCEPTED SPECIES 300004:CFT9X nidx=null]
 + Eristalis (Eoseristalis) flavicinctus Fabricius, 1805 [ACCEPTED SPECIES 301523:CH25X nidx=null]
Eristalis (Eoseristalis) inornatus
 - Eristalis (Eoseristalis) inornatus Loew, 1866 [ACCEPTED SPECIES 300004:CD97T nidx=null]
 + Eristalis (Eoseristalis) inornatus Loew, 1866 [ACCEPTED SPECIES 301523:CH25Y nidx=null]
Eristalis lapideus
 - †Eristalis lapideus Scudder, 1877 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VHY nidx=null]
 + Eristalis lapideus Scudder, 1877 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JQTJ nidx=null]
Eristalis paucisinuatus
 - †Eristalis paucisinuatus Théobald, 1937 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3RK8 nidx=null]
 + Eristalis paucisinuatus Théobald, 1937 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JQTL nidx=null]
Erycina petitiana
 - Erycina petitiana A. d'Orbigny, 1846 [SYNONYM SPECIES 300004:6GQFY nidx=null parent=3SBTN]
 + Erycina petitiana (Récluz, 1843) [SYNONYM SPECIES 301523:CH2BM nidx=null parent=3SBTN]
Ethoiulus
 - Ethoiulus auct. [SYNONYM GENUS 300004:C9SHR nidx=null parent=7NZ6Y]
 + Ethoiulus [SYNONYM GENUS 301523:62RGQ nidx=null parent=7NZ6Y]
Eucyclops (Eucyclops) agiloides agiloides
 - Eucyclops (Eucyclops) agiloides agiloides (Sars G.O., 1909) [ACCEPTED SUBSPECIES 300004:CFVK9 nidx=null]
 + Eucyclops (Eucyclops) agiloides agiloides (Sars G.O., 1909) [ACCEPTED SUBSPECIES 301523:CH34R nidx=null]
Eucyclops serrulatus defectus
 - Eucyclops serrulatus defectus Lindberg, 1955 [ACCEPTED SUBSPECIES 300004:7ZH4M nidx=null]
 + Eucyclops serrulatus defectus Lindberg, 1937 [ACCEPTED SUBSPECIES 301523:CH34T nidx=null]
Eudendrium arbusculum
 - Eudendrium arbusculum Hincks, 1868 [SYNONYM SPECIES 300004:3BZHB nidx=null parent=3BZHC]
 + Eudendrium arbusculum Wright, 1859 [SYNONYM SPECIES 301523:CH367 nidx=null parent=3BZHC]
Eumida (Eumida)
 - Eumida (Eumida) [ACCEPTED SUBGENUS 300004:CD7MT nidx=null]
 + Eumida (Eumida) [ACCEPTED SUBGENUS 301523:CGZG7 nidx=null]
Eunice gunneri
 - Eunice gunneri Storm, 1879 [SYNONYM SPECIES 300004:3CF77 nidx=null parent=6GYJV]
 + Eunice gunneri (Storm, 1881) [SYNONYM SPECIES 301523:CGZQ3 nidx=null parent=6GYJV]
Eurigaster postica
 - Eurigaster postica Walker, 1861 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VKT nidx=null]
 + Eurigaster postica Walker, 1861 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JQZK nidx=null]
Eurigaster strigosa
 - Eurigaster strigosa Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VKV nidx=null]
 + Eurigaster strigosa Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JQZQ nidx=null]
Eutrichosiphum (Neoparatrichosiphum) flavum
 - Eutrichosiphum (Neoparatrichosiphum) flavum [SYNONYM SPECIES 300004:8QYSM nidx=null parent=6HKSG]
 + Eutrichosiphum (Neoparatrichosiphum) flavum (Takahashi, 1941) [SYNONYM SPECIES 301523:CH2VB nidx=null parent=CH2VC]
Eutrichosiphum flavum
 - Eutrichosiphum flavum [ACCEPTED SPECIES 300004:6HKSG nidx=null]
 + Eutrichosiphum flavum (Takahashi, 1941) [ACCEPTED SPECIES 301523:CH2VC nidx=null]
Euvola papyracea
 - Euvola papyracea auct. [SYNONYM SPECIES 300004:C9RGH nidx=null parent=6HJYF]
 + Euvola papyracea [SYNONYM SPECIES 301523:6HJZT nidx=null parent=6HJYF]
Exumellina bucculenta
 - Exumellina bucculenta Fosshagen & Iliffe, 1998 [ACCEPTED SPECIES 300004:3DQPN nidx=null]
 + Exumellina bucculenta Fosshagen, in: Fosshagen & Iliffe, 1998 [ACCEPTED SPECIES 301523:CH38D nidx=null]
Farcimen alutaceum digitale
 - Farcimen alutaceum digitale (Gundlach, 1857) [ACCEPTED SUBSPECIES 300004:7TV9M nidx=null]
 + Farcimen alutaceum digitale (L. Pfeiffer, 1857) [ACCEPTED SUBSPECIES 301523:CGZDV nidx=null]
Fasciolaria distans
 - Fasciolaria distans auct. [SYNONYM SPECIES 300004:C9TX7 nidx=null parent=VDQJ]
 + Fasciolaria distans [SYNONYM SPECIES 301523:BFXTQ nidx=null parent=VDQJ]
Faunus (Melanatria) almerae
 - Faunus (Melanatria) almerae (L. M. Vidal, 1898) [SYNONYM SPECIES 300004:3DW3Y nidx=null parent=6DYX9]
 + Faunus (Melanatria) almerae (Cossmann, 1898) [SYNONYM SPECIES 301523:CGZFG nidx=null parent=CGZ8H]
Fillelum
 - Fillelum [SYNONYM GENUS 300004:BDX47 nidx=null parent=7P2GD]
 + Fillelum Hincks, 1868 [SYNONYM GENUS 301523:CGZYL nidx=null parent=7P2GD]
Fissurina quadrata var. rizzae
 - Fissurina quadrata var. rizzae Seguenza, 1862 [SYNONYM VARIETY 300004:857RC nidx=null parent=82HZS]
 + Fissurina quadrata var. rizzae Seguenza, 1862 [SYNONYM VARIETY 301523:5NYZN nidx=null parent=82HZS]
Forcipomyia (Forcipomyia) flavipubens
 - Forcipomyia (Forcipomyia) flavipubens Goetghebuer, 1927 [ACCEPTED SPECIES 300004:C3D2S nidx=null]
 + Forcipomyia (Forcipomyia) flavipubens Goetghebuer, 1927 [ACCEPTED SPECIES 301523:CH2BF nidx=null]
Forficula (Apterygida) albipennis
 - Forficula (Apterygida) albipennis [SYNONYM SPECIES 300004:BWQBV nidx=null parent=8MWTL]
 + Forficula (Apterygida) albipennis von Muhlfeld, 1825 [SYNONYM SPECIES 301523:CH2CP nidx=null parent=682DK]
Forficula biturberculata
 - Forficula biturberculata [SYNONYM SPECIES 300004:BWQBW nidx=null parent=3HJ2K]
 + Forficula biturberculata (Brindle, 1966) [SYNONYM SPECIES 301523:CH2CT nidx=null parent=3HJ2K]
Forficula fistula
 - Forficula fistula Steinmann, 1990 [ACCEPTED SPECIES 300004:6JH38 nidx=null]
 + Forficula fistula Steinmann, 1993 [ACCEPTED SPECIES 301523:CH2D5 nidx=null]
Forficula major
 - Forficula major de Geer, 1773 [AMBIGUOUS_SYNONYM SPECIES 300004:8MZF9 nidx=null parent=4JS3B]
 + Forficula major de Geer, 1773 [SYNONYM SPECIES 301523:6JH3Q nidx=null parent=6JGYS]
Fungivora lateralis
 - Fungivora lateralis Santos Abreu, 1920 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VRL nidx=null]
 + Fungivora lateralis Santos Abreu, 1920 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JR3V nidx=null]
Gibbula kishineviae
 - Gibbula kishineviae (A. d'Orbigny, 1844) [SYNONYM SPECIES 300004:7RF4N nidx=null parent=B6FWX]
 + Gibbula kishineviae [SYNONYM SPECIES 301523:CH2XG nidx=null parent=B6FWX]
Globigerinoides obliquus subsp. extremus
 - Globigerinoides obliquus subsp. extremus Bolli & Bermúdez, 1965 [SYNONYM SUBSPECIES 300004:CDC8B nidx=null parent=82MGK]
 + Globigerinoides obliquus subsp. extremus Bolli & Bermúdez, 1965 [SYNONYM SUBSPECIES 301523:CH38N nidx=null parent=82MGK]
Glyptostoma newberryanum depressum
 - Glyptostoma newberryanum depressum F. W. Walker, 1902 [ACCEPTED SUBSPECIES 300004:B75S2 nidx=null]
 + Glyptostoma newberryanum depressum Bryant, 1902 [ACCEPTED SUBSPECIES 301523:CH3GR nidx=null]
Glyptostoma newberryanum var. depressum
 - Glyptostoma newberryanum var. depressum F. W. Walker, 1902 [SYNONYM VARIETY 300004:7V6S7 nidx=null parent=B75S2]
 + Glyptostoma newberryanum var. depressum Bryant, 1902 [SYNONYM VARIETY 301523:CH3GS nidx=null parent=CH3GR]
Gonapodasmius kovaljovae
 - Gonapodasmius kovaljovae Nikolaeva & Gaevskaya, 1985 [SYNONYM SPECIES 300004:848Z3 nidx=null parent=84869]
 + Gonapodasmius kovaljovae Nikolaeva & Gaevskaya, 1985 [SYNONYM SPECIES 301523:3GTVM nidx=null parent=35YSQ]
Gongylostomella (Palenquecoptis)
 - Gongylostomella (Palenquecoptis) [ACCEPTED SUBGENUS 300004:8V29L nidx=null]
 + Gongylostomella (Palenquecoptis) C. de la Torre & Bartsch, 1972 [ACCEPTED SUBGENUS 301523:CH3ZC nidx=null]
Goniostomus
 - Goniostomus auct. [SYNONYM GENUS 300004:C9775 nidx=null parent=7P4GY]
 + Goniostomus [SYNONYM GENUS 301523:BGFFP nidx=null parent=7P4GY]
Greenidea (Greenidea) sutepensis
 - Greenidea (Greenidea) sutepensis [ACCEPTED SPECIES 300004:C4YVK nidx=null]
 + Greenidea (Greenidea) sutepensis Takahashi, 1941 [ACCEPTED SPECIES 301523:CH2ZK nidx=null]
Greenidea (Trichosiphum) siamensis
 - Greenidea (Trichosiphum) siamensis [ACCEPTED SPECIES 300004:3HC2W nidx=null]
 + Greenidea (Trichosiphum) siamensis Takahashi, 1941 [ACCEPTED SPECIES 301523:CH2ZN nidx=null]
Greenidea sutepensis
 - Greenidea sutepensis [SYNONYM SPECIES 300004:C79KF nidx=null parent=C4YVK]
 + Greenidea sutepensis Takahashi, 1941 [SYNONYM SPECIES 301523:CH2ZL nidx=null parent=CH2ZK]
Gryllacris deschampsi
 - Gryllacris deschampsi Bruner, 1915 [SYNONYM SPECIES 300004:8PBJT nidx=null parent=8PXHB]
 + Gryllacris deschampsi Griffini, 1914 [SYNONYM SPECIES 301523:CH35M nidx=null parent=CGTVH]
Gymnopis multiplicatus oaxacae
 - Gymnopis multiplicatus oaxacae (Mertens, 1930) [SYNONYM SUBSPECIES 300004:C9ZJH nidx=null parent=34XMJ]
 + Gymnopis multiplicatus oaxacae (Mertens, 1930) [SYNONYM SUBSPECIES 301523:CH3FZ nidx=null parent=34XMJ]
Gyrineum pusillum
 - Gyrineum pusillum auct. [AMBIGUOUS_SYNONYM SPECIES 300004:CB2DL nidx=null parent=6L7GM]
 + Gyrineum pusillum [AMBIGUOUS_SYNONYM SPECIES 301523:3HYRM nidx=null parent=6L7GM]
Haasea faucium
 - Haasea faucium (Verhoeff, 1931) [ACCEPTED SPECIES 300004:C52VV nidx=null]
 + Haasea faucium (Verhoeff, 1931) [ACCEPTED SPECIES 301523:3J3J5 nidx=null]
Haphsa crassa
 - Haphsa crassa Distant, 1905 [SYNONYM SPECIES 300004:CFXHQ nidx=null parent=3Z32C]
 + Haphsa crassa Distant, 1905 [SYNONYM SPECIES 301523:CH4JS nidx=null parent=3Z32C]
Harpago chiragra chiragra
 - Harpago chiragra chiragra (Linnaeus, 1758) [ACCEPTED SUBSPECIES 300004:8SY5V nidx=null]
 + Harpago chiragra chiragra (Linnaeus, 1758) [SYNONYM SUBSPECIES 301523:5HLK8 nidx=null parent=3JS8R]
Hecalus reticulatus
 - Hecalus reticulatus (Linnavuori, 1962) [SYNONYM SPECIES 300004:8RB5Q nidx=null parent=6LGSP]
 + Hecalus reticulatus Linnavuori, 1975 [ACCEPTED SPECIES 301523:3JYKW nidx=null]
Heliacus dorsuosus
 - Heliacus dorsuosus auct. [SYNONYM SPECIES 300004:CB38Z nidx=null parent=8V86F]
 + Heliacus dorsuosus [SYNONYM SPECIES 301523:BH5MR nidx=null parent=8V86F]
Heliconoides inflata
 - Heliconoides inflata [SYNONYM SPECIES 300004:C57K8 nidx=null parent=3K8ZD]
 + Heliconoides inflata (A. d'Orbigny, 1835) [SYNONYM SPECIES 301523:CH3MK nidx=null parent=3K8ZD]
Helminthoglypta callistoderma
 - Helminthoglypta callistoderma (Pilsbry & Ferriss, 1919) [ACCEPTED SPECIES 300004:7RN8X nidx=null]
 + Helminthoglypta callistoderma (Pilsbry & Ferriss, 1917) [ACCEPTED SPECIES 301523:CH45C nidx=null]
Helodrilus (Allolobophora) borellii
 - Helodrilus (Allolobophora) borellii Cognetti de Martiis, 1904 [SYNONYM SPECIES 300004:C9WY7 nidx=null parent=FV3Q]
 + Helodrilus (Allolobophora) borellii Cognetti de Martiis, 1904 [SYNONYM SPECIES 301523:CH47F nidx=null parent=FV3Q]
Helomyza fasciata
 - Helomyza fasciata Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VX6 nidx=null]
 + Helomyza fasciata Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JR6B nidx=null]
Helomyza robusta
 - Helomyza robusta Walker, 1858 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3VX7 nidx=null]
 + Helomyza robusta Walker, 1858 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JR6F nidx=null]
Henneguya zschokkei
 - Henneguya zschokkei Doflein, 1901 [ACCEPTED SPECIES 300004:BTR4L nidx=null]
 + Henneguya zschokkei (Gurley, 1893) [ACCEPTED SPECIES 301523:CH4Q3 nidx=null]
Henslowiana (Henslowiana)
 - Henslowiana (Henslowiana) Servain, 1888 [SYNONYM SUBGENUS 300004:CD7HJ nidx=null parent=7P3P6]
 + Henslowiana (Henslowiana) Servain, 1888 [SYNONYM SUBGENUS 301523:CGZDK nidx=null parent=7P3P6]
Hercostomus (Hercostomus) conglomeratus
 - Hercostomus (Hercostomus) conglomeratus Wei & Song, 2006 [SYNONYM SPECIES 300004:92SDT nidx=null parent=8CBDR]
 + Hercostomus (Hercostomus) conglomeratus Wei & Song, 2006 [SYNONYM SPECIES 301523:8CBB7 nidx=null parent=8CBDR]
Hercostomus (Hercostomus) cyphus
 - Hercostomus (Hercostomus) cyphus Wei & Song, 2006 [SYNONYM SPECIES 300004:8CBBQ nidx=null parent=8CBFL]
 + Hercostomus (Hercostomus) cyphus Wei & Song, 2006 [SYNONYM SPECIES 301523:92SDX nidx=null parent=8CBFL]
Hercostomus (Hercostomus) formosus
 - Hercostomus (Hercostomus) formosus Becker, 1917 [ACCEPTED SPECIES 300004:C7CFT nidx=null]
 + Hercostomus (Hercostomus) formosus Becker, 1917 [ACCEPTED SPECIES 301523:CH4S4 nidx=null]
Hercostomus (Hercostomus) hilarosus
 - Hercostomus (Hercostomus) hilarosus Wei & Song, 2006 [SYNONYM SPECIES 300004:8CBD6 nidx=null parent=8CBDR]
 + Hercostomus (Hercostomus) hilarosus Wei & Song, 2006 [SYNONYM SPECIES 301523:92SF4 nidx=null parent=8CBDR]
Heterodiadema libycum
 - Heterodiadema libycum (Desor in L. Agassiz & Desor, 1846) [SYNONYM SPECIES 300004:C5BH2 nidx=null parent=3L97W]
 + Heterodiadema libycum (Desor in L. Agassiz & Desor, 1846) [SYNONYM SPECIES 301523:CH585 nidx=null parent=3L97W]
Heteronychia cataphygionis
 - Heteronychia cataphygionis Povolný, 1999 [SYNONYM SPECIES 300004:88ZML nidx=null parent=8DPVV]
 + Heteronychia cataphygionis Povolný, 1999 [SYNONYM SPECIES 301523:6M4C9 nidx=null parent=8DPVV]
Hexangium affinum
 - Hexangium affinum Tubangui & Masilungan, 1944 [SYNONYM SPECIES 300004:849CF nidx=null parent=3LGLM]
 + Hexangium affinum Tubangui & Masiluñgan, 1944 [SYNONYM SPECIES 301523:6LTFN nidx=null parent=3LGLM]
Hippopotamenema
 - Hippopotamenema [ACCEPTED GENUS 300004:9C8B4 nidx=null]
 + Hippopotamenema Sagata & Buddhadeb, 2015 [ACCEPTED GENUS 301523:CH45D nidx=null]
Hippopsis (Hippopsis) lemniscata
 - Hippopsis (Hippopsis) lemniscata [AMBIGUOUS_SYNONYM SPECIES 300004:CFX2D nidx=null parent=3M2S5]
 + Hippopsis (Hippopsis) lemniscata [AMBIGUOUS_SYNONYM SPECIES 301523:CH45N nidx=null parent=3M2S5]
Holmiceras
 - †Holmiceras Hyatt, 1884 [ACCEPTED GENUS 300004:C5H67 nidx=null]
 + Holmiceras Hyatt, 1894 [ACCEPTED GENUS 301523:CH4CN nidx=null]
Holocentrus rubrum
 - Holocentrus rubrum () non Forsskål, 1775 [MISAPPLIED SPECIES 300004:CFXB2 nidx=null parent=6XMPK]
 + Holocentrus rubrum () [MISAPPLIED SPECIES 301523:CH4D7 nidx=null parent=6XMPK]
 + Holocentrus rubrum (Forsskål, 1775) [SYNONYM SPECIES 301523:CH4D8 nidx=null parent=6XMPJ]
Hydroida
 - Hydroida [SYNONYM ORDER 300004:BDWMZ nidx=null parent=7NF5F]
 + Hydroida Johnston, 1937 [SYNONYM ORDER 301523:CH3FM nidx=null parent=7NF5F]
Hygroecia
 - Hygroecia Mulsant & Rey, 1874 [SYNONYM GENUS 300004:CCTJ4 nidx=null parent=9JBFK]
 + Hygroecia Mulsant & Rey, 1873 [SYNONYM GENUS 301523:CGSFK nidx=null parent=9JBFK]
 + Hygroecia Mulsant & Rey, 1874 [SYNONYM GENUS 301523:CGSFL nidx=null parent=9JBFK]
 + Hygroecia Mulsant & Rey, 1875 [SYNONYM GENUS 301523:CGSFM nidx=null parent=9JBFK]
Idiocerus (Idiocerus) distinguendus
 - Idiocerus (Idiocerus) distinguendus Kirschbaum, 1868 [SYNONYM SPECIES 300004:CFYJF nidx=null parent=8JYVN]
 + Idiocerus (Idiocerus) distinguendus Kirschbaum, 1868 [SYNONYM SPECIES 301523:CH54B nidx=null parent=8JYVN]
Idyaeidae
 - Idyaeidae Sars M., 1910 [SYNONYM FAMILY 300004:BG3V3 nidx=null parent=7NLCD]
 + Idyaeidae Sars G.O., 1910 [SYNONYM FAMILY 301523:CH56D nidx=null parent=7NLCD]
Idyla (Idyla)
 - Idyla (Idyla) H. Adams & A. Adams, 1855 [SYNONYM SUBGENUS 300004:CD3QL nidx=null parent=7P5NR]
 + Idyla (Idyla) H. Adams & A. Adams, 1855 [SYNONYM SUBGENUS 301523:CGX9V nidx=null parent=7P5NR]
Ilyanthus mitchelli
 - Ilyanthus mitchelli [SYNONYM SPECIES 300004:CFYSG nidx=null parent=3ZXGF]
 + Ilyanthus mitchelli [SYNONYM SPECIES 301523:CH5B7 nidx=null parent=3ZXGF]
Inioteuthis japonica
 - Inioteuthis japonica (Tilesius, 1845) [ACCEPTED SPECIES 300004:C7M3Z nidx=null]
 + Inioteuthis japonica (A. d'Orbigny, 1845) [ACCEPTED SPECIES 301523:CH6L6 nidx=null]
Isoperla clio
 - Isoperla clio [SYNONYM SPECIES 300004:CDF98 nidx=null parent=W7MW]
 + Isoperla clio (Newman, 1839) [SYNONYM SPECIES 301523:6MZVS nidx=null parent=W7MW]
Isoperla transmarine
 - Isoperla transmarine [SYNONYM SPECIES 300004:8NGNQ nidx=null parent=3QB29]
 + Isoperla transmarine Newman, 1838 [SYNONYM SPECIES 301523:CH483 nidx=null parent=3QB29]
Isoplastus formulosus
 - Isoplastus formulosus Skuse, 1889 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3W7T nidx=null]
 + Isoplastus formulosus Skuse, 1889 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JRHJ nidx=null]
Isoplastus paivai
 - Isoplastus paivai Kieffer, 1910 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3W7V nidx=null]
 + Isoplastus paivai Kieffer, 1910 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JRHS nidx=null]
Isthmiophora hortensis
 - Isthmiophora hortensis (Asada, 1926) Kostadinova & Gibson, 2002 [ACCEPTED SPECIES 300004:8N8NN nidx=null]
 + Isthmiophora hortensis (Asada, 1926) Kostadinova & Gibson, 2002 [ACCEPTED SPECIES 301523:8M27X nidx=null]
Iulus
 - Iulus auct. [SYNONYM GENUS 300004:CB2NY nidx=null parent=7P7L5]
 + Iulus [SYNONYM GENUS 301523:CH4F6 nidx=null parent=7P7L5]
Jassus (Platymetopius) acutus
 - Jassus (Platymetopius) acutus Say, 1830 [SYNONYM SPECIES 300004:CFY8M nidx=null parent=9RK25]
 + Jassus (Platymetopius) acutus Say, 1830 [SYNONYM SPECIES 301523:CH4XD nidx=null parent=9RK25]
Jassus gyllenhalii
 - Jassus gyllenhalii Fallén, 1826 [SYNONYM SPECIES 300004:CFY8Y nidx=null parent=YRYS]
 + Jassus gyllenhalii Fallén, 1826 [SYNONYM SPECIES 301523:CH4XK nidx=null parent=YRYS]
Jujubinus subturgidulus
 - †Jujubinus subturgidulus (A. d'Orbigny, 1850) [ACCEPTED SPECIES 300004:7RRYB nidx=null]
 + Jujubinus subturgidulus (A. d'Orbigny, 1852) [ACCEPTED SPECIES 301523:CH53P nidx=null]
Kamimuria navasa
 - Kamimuria navasa [SYNONYM SPECIES 300004:8N23X nidx=null parent=5TSVX]
 + Kamimuria navasa (Claassen, 1936) [SYNONYM SPECIES 301523:3QZWR nidx=null parent=5TSVX]
Keenocardium californiense californiense
 - Keenocardium californiense californiense (Deshayes, 1839) [ACCEPTED SUBSPECIES 300004:8SY6K nidx=null]
 + Keenocardium californiense californiense (Deshayes, 1839) [SYNONYM SUBSPECIES 301523:5J73N nidx=null parent=6NJCG]
Kellia subelliptica
 - Kellia subelliptica Yokoyama, 1924 [ACCEPTED SPECIES 300004:3R4ZD nidx=null]
 + Kellia subelliptica Yokoyama, 1927 [ACCEPTED SPECIES 301523:CH5P8 nidx=null]
Laetmatonice
 - Laetmatonice [auctt.] [SYNONYM GENUS 300004:BG283 nidx=null parent=84PGZ]
 + Laetmatonice [SYNONYM GENUS 301523:CH4YM nidx=null parent=84PGZ]
Laetmatonice producta
 - Laetmatonice producta [auct. misspelling of Laetmonice] [SYNONYM SPECIES 300004:C4GKJ nidx=null parent=6NSV9]
 + Laetmatonice producta [SYNONYM SPECIES 301523:3RV8G nidx=null parent=6NSV9]
Lambrus (Platylambrus) echinatus
 - Lambrus (Platylambrus) echinatus (Herbst, 1790) [SYNONYM SPECIES 300004:CFYLD nidx=null parent=39WPQ]
 + Lambrus (Platylambrus) echinatus (Herbst, 1790) [SYNONYM SPECIES 301523:CH55F nidx=null parent=39WPQ]
Laona finmarchica
 - Laona finmarchica (M. Sars, 1859) [ACCEPTED SPECIES 300004:3S87Y nidx=null]
 + Laona finmarchica (M. Sars, 1859) [SYNONYM SPECIES 301523:7RTKZ nidx=null parent=7SSZ6]
Laophonte baltica baltica
 - Laophonte baltica baltica Drzycimski, 1993 [SYNONYM SUBSPECIES 300004:8TX9V nidx=null parent=6NWRH]
 + Laophonte baltica baltica Klie, 1929 [SYNONYM SUBSPECIES 301523:CH5JH nidx=null parent=6NWRH]
Laurus cassia
 - Laurus cassia Wight ex Nees [AMBIGUOUS_SYNONYM SPECIES 300004:6P4CR nidx=null parent=5YVFZ]
 + Laurus cassia Wight ex Nees [AMBIGUOUS_SYNONYM SPECIES 301523:CH5W8 nidx=null parent=5YVFZ]
 + Laurus cassia Nees [SYNONYM SPECIES 301523:CH5W9 nidx=null parent=5YVGS]
Lebouria choerodonis
 - Lebouria choerodonis Yamaguti, 1934 [SYNONYM SPECIES 300004:849MW nidx=null parent=69Z35]
 + Lebouria choerodonis Yamaguti, 1934 [SYNONYM SPECIES 301523:3SQWW nidx=null parent=69Z35]
Leiosolenus (Leiosolenus)
 - Leiosolenus (Leiosolenus) P. P. Carpenter, 1856 [SYNONYM SUBGENUS 300004:C7GVP nidx=null parent=7P74R]
 + Leiosolenus (Leiosolenus) P. P. Carpenter, 1856 [SYNONYM SUBGENUS 301523:CH673 nidx=null parent=7P74R]
Lepeophteirus
 - Lepeophteirus [SYNONYM GENUS 300004:BGHN5 nidx=null parent=7P9BJ]
 + Lepeophteirus Nordmann, 1832 [SYNONYM GENUS 301523:CH52D nidx=null parent=7P9BJ]
Lepidozamia
 - Lepidozamia [ACCEPTED GENUS 300004:CDHBT nidx=null]
 + Lepidozamia Regel [ACCEPTED GENUS 301523:CH58N nidx=null]
Lepidozona (Lepidozona)
 - Lepidozona (Lepidozona) Pilsbry, 1892 [SYNONYM SUBGENUS 300004:CFWV6 nidx=null parent=7P77C]
 + Lepidozona (Lepidozona) Pilsbry, 1892 [SYNONYM SUBGENUS 301523:CH423 nidx=null parent=7P77C]
Leptacris pretoriae
 - Leptacris pretoriae [SYNONYM SPECIES 300004:BT4RJ nidx=null parent=92JG]
 + Leptacris pretoriae (Miller, 1932) [SYNONYM SPECIES 301523:8PZQX nidx=null parent=92JG]
Leptis inutilis
 - Leptis inutilis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3WDS nidx=null]
 + Leptis inutilis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JRMR nidx=null]
Leptoconops (Leptoconops) bezzii
 - Leptoconops (Leptoconops) bezzii (Noè, 1905) [ACCEPTED SPECIES 300004:8CHVS nidx=null]
 + Leptoconops (Leptoconops) bezzii (Noè, 1905) [ACCEPTED SPECIES 301523:3TMJP nidx=null]
Leptoconops (Leptoconops) irritans
 - Leptoconops (Leptoconops) irritans (Noè, 1905) [ACCEPTED SPECIES 300004:8CHWR nidx=null]
 + Leptoconops (Leptoconops) irritans (Noè, 1905) [ACCEPTED SPECIES 301523:3TMKZ nidx=null]
Leptodiaptomus pallidus
 - Leptodiaptomus pallidus (Light, 1938) [SYNONYM SPECIES 300004:3TNQB nidx=null parent=6YS9Y]
 + Leptodiaptomus pallidus (Herrick, 1879) [SYNONYM SPECIES 301523:CH5N9 nidx=null parent=6YS9Y]
Leptophyllum nanus acutus
 - Leptophyllum nanus acutus Attems, 1929 [SYNONYM SUBSPECIES 300004:CDJGT nidx=null parent=C9MKN]
 + Leptophyllum nanus acutus Attems, 1929 [SYNONYM SUBSPECIES 301523:CH5SL nidx=null parent=C9MKN]
Leptopontiinae
 - Leptopontiinae [ACCEPTED SUBFAMILY 300004:7ZFPS nidx=null]
 + Leptopontiinae Lang, 1948 [ACCEPTED SUBFAMILY 301523:CH5T3 nidx=null]
Leucetta haeckeliana
 - Leucetta haeckeliana Poléjaeff, 1883 [SYNONYM SPECIES 300004:BBRZM nidx=null parent=B8RP9]
 + Leucetta haeckeliana Poléjaeff, 1883 [SYNONYM SPECIES 301523:723LB nidx=null parent=B8RP9]
Leucozona (Ischyrosyrphus) laternaria
 - Leucozona (Ischyrosyrphus) laternaria (Müller, 1776) [ACCEPTED SPECIES 300004:8CJS8 nidx=null]
 + Leucozona (Ischyrosyrphus) laternaria (Müller, 1776) [ACCEPTED SPECIES 301523:72834 nidx=null]
Leuctra ferruginea
 - Leuctra ferruginea Provancher, 1876 [SYNONYM SPECIES 300004:CB6H8 nidx=null parent=6Q7PX]
 + Leuctra ferruginea Provancher, 1878 [SYNONYM SPECIES 301523:6PVRT nidx=null parent=6Q7PX]
Limea (Gemellima) eocaenica
 - Limea (Gemellima) eocaenica de Laubrière, 1881 [SYNONYM SPECIES 300004:8ZCLF nidx=null parent=8YMYJ]
 + Limea (Gemellima) eocaenica [SYNONYM SPECIES 301523:CH6XC nidx=null parent=8YMYJ]
Linnaemya retroflexa
 - Linnaemya retroflexa Pandellé, 1895 [SYNONYM SPECIES 300004:8988X nidx=null parent=8CMJY]
 + Linnaemya retroflexa Pandellé, 1895 [SYNONYM SPECIES 301523:72HNH nidx=null parent=8CMJY]
Liocallonia (Cenocoptis)
 - Liocallonia (Cenocoptis) Jaume & de la Torre, 1976 [SYNONYM SUBGENUS 300004:BGWMQ nidx=null parent=7P7L4]
 + Liocallonia (Cenocoptis) C. de la Torre & Bartsch, 1972 [SYNONYM SUBGENUS 301523:CGVYS nidx=null parent=7P7L4]
Lituites
 - †Lituites Gesner, 1758 [ACCEPTED GENUS 300004:CG287 nidx=null]
 + Lituites Bertrand, 1763 [ACCEPTED GENUS 301523:CH6C6 nidx=null]
Lizusidae
 - Lizusidae Haeckel, 1879 [SYNONYM SUBFAMILY 300004:BDWSR nidx=null parent=7NG62]
 + Lizusidae Haeckel, 1879 [SYNONYM FAMILY 301523:CH6G3 nidx=null parent=7NG62]
Lobularia
 - Lobularia Savigny, 1815 [SYNONYM GENUS 300004:BDWHK nidx=null parent=84NLS]
 + Lobularia Lamarck, 1816 [SYNONYM GENUS 301523:CH6L4 nidx=null parent=84NLS]
Loligopsidae
 - Loligopsidae Gray, 1849 [SYNONYM FAMILY 300004:BG3Y7 nidx=null parent=7NGZ5]
 + Loligopsidae A. d'Orbigny, 1842 [SYNONYM FAMILY 301523:CH6NR nidx=null parent=7NGZ5]
Loripes brasilianus
 - Loripes brasilianus (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:6QNYZ nidx=null]
 + Loripes brasilianus (A. d'Orbigny, 1846) [ACCEPTED SPECIES 301523:CH76P nidx=null]
Lucilia abdominalis
 - Lucilia abdominalis Séguy, 1934 [SYNONYM SPECIES 300004:89973 nidx=null parent=3WBYW]
 + Lucilia abdominalis Séguy, 1934 [SYNONYM SPECIES 301523:3WBQJ nidx=null parent=3WBYW]
Lucina (Codakia) quadrata
 - Lucina (Codakia) quadrata Angas, 1877 [SYNONYM SPECIES 300004:8KSQW nidx=null parent=C76JT]
 + Lucina (Codakia) quadrata Angas, 1877 [SYNONYM SPECIES 301523:3WCDK nidx=null parent=C76JT]
Lucina brasiliana
 - Lucina brasiliana A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:3WC7T nidx=null parent=6QNYZ]
 + Lucina brasiliana A. d'Orbigny, 1846 [SYNONYM SPECIES 301523:CH7DQ nidx=null parent=CH76P]
Lycoriella (Lycoriella) subterranea
 - Lycoriella (Lycoriella) subterranea (Märkel, 1844) [ACCEPTED SPECIES 300004:8CP3H nidx=null]
 + Lycoriella (Lycoriella) subterranea (Märkel, 1844) [ACCEPTED SPECIES 301523:6R3CQ nidx=null]
Lygosoma (Siaphos) burgeoni
 - Lygosoma (Siaphos) burgeoni de Witte, 1933 [SYNONYM SPECIES 300004:8H67M nidx=null parent=4C9F8]
 + Lygosoma (Siaphos) burgeoni de Witte, 1933 [SYNONYM SPECIES 301523:72R7L nidx=null parent=4C9F8]
Lymantria (Lymantria) subrosea
 - Lymantria (Lymantria) subrosea Swinhoe, 1903 [ACCEPTED SPECIES 300004:CB6TV nidx=null]
 + Lymantria (Lymantria) subrosea Swinhoe, 1903 [ACCEPTED SPECIES 301523:CH5Q6 nidx=null]
Lymantria (Porthetria) detersa
 - Lymantria (Porthetria) detersa Walker, 1865 [ACCEPTED SPECIES 300004:3WRP9 nidx=null]
 + Lymantria (Porthetria) detersa Walker, 1865 [ACCEPTED SPECIES 301523:CH5Q9 nidx=null]
Lyrodiscus (Riedeliella) circumscisus francofurtanus
 - Lyrodiscus (Riedeliella) circumscisus francofurtanus (Wenz, 1922) [SYNONYM SUBSPECIES 300004:CB779 nidx=null parent=9GJBW]
 + Lyrodiscus (Riedeliella) circumscisus francofurtanus (Wenz, 1922) [SYNONYM SUBSPECIES 301523:CH5SG nidx=null parent=9GJBW]
Machimus (Machimus) setiventris
 - Machimus (Machimus) setiventris Engel, 1928 [ACCEPTED SPECIES 300004:BZBJV nidx=null]
 + Machimus (Machimus) setiventris Engel, 1928 [ACCEPTED SPECIES 301523:CH5YS nidx=null]
Macrosiphum cerealis
 - Macrosiphum cerealis [SYNONYM SPECIES 300004:8PDHZ nidx=null parent=4XT9C]
 + Macrosiphum cerealis [SYNONYM SPECIES 301523:733QM nidx=null parent=4XT9C]
Macrosteles (Macrosteles) quadrilineatus
 - Macrosteles (Macrosteles) quadrilineatus (Forbes, 1885) [SYNONYM SPECIES 300004:CDKPF nidx=null parent=8JWBD]
 + Macrosteles (Macrosteles) quadrilineatus (Forbes, 1885) [SYNONYM SPECIES 301523:8JWBC nidx=null parent=8JWBD]
Macrosteles (Macrosteles) ribauti
 - Macrosteles (Macrosteles) ribauti Dlabola, 1946 [SYNONYM SPECIES 300004:CDKPG nidx=null parent=9KG87]
 + Macrosteles (Macrosteles) ribauti Dlabola, 1946 [SYNONYM SPECIES 301523:CH6BV nidx=null parent=9KG87]
Macrotoma (Bandar) fisheri
 - Macrotoma (Bandar) fisheri [AMBIGUOUS_SYNONYM SPECIES 300004:CG29F nidx=null parent=BKWVG]
 + Macrotoma (Bandar) fisheri [AMBIGUOUS_SYNONYM SPECIES 301523:CH6DM nidx=null parent=BK3VT]
 + Macrotoma (Bandar) fisheri [AMBIGUOUS_SYNONYM SPECIES 301523:CH6DN nidx=null parent=BKWVG]
Macrozamia
 - Macrozamia [ACCEPTED GENUS 300004:CD9BW nidx=null]
 + Macrozamia Miq. [ACCEPTED GENUS 301523:CH27V nidx=null]
Mactra isabelleana
 - Mactra isabelleana A. d'Orbigny, 1846 [ACCEPTED SPECIES 300004:3XDDF nidx=null]
 + Mactra isabelleana A. d'Orbigny, 1841 [SYNONYM SPECIES 301523:CH6H8 nidx=null parent=CHFY7]
Mactra patagonica
 - †Mactra patagonica A. d'Orbigny, 1846 [ACCEPTED SPECIES 300004:3XDFM nidx=null]
 + Mactra patagonica A. d'Orbigny, 1841 [ACCEPTED SPECIES 301523:CH6H4 nidx=null]
Mactra petitii
 - Mactra petitii A. d'Orbigny, 1846 [ACCEPTED SPECIES 300004:3XDFT nidx=null]
 + Mactra petitii A. d'Orbigny, 1841 [SYNONYM SPECIES 301523:CH6H9 nidx=null parent=CHFY8]
Manayunkia caspica danubialis
 - Manayunkia caspica danubialis Bacescu in Dumitrescu, 1957 [ACCEPTED SUBSPECIES 300004:7HCPV nidx=null]
 + Manayunkia caspica danubialis Băcescu, 1948 [SYNONYM SUBSPECIES 301523:CH75K nidx=null parent=CHKZX]
Marginella bella
 - Marginella bella auct. [SYNONYM SPECIES 300004:CDMZX nidx=null parent=5BQC2]
 - Marginella bella auct. [SYNONYM SPECIES 300004:CG3WD nidx=null parent=4N8HW]
 + Marginella bella [SYNONYM SPECIES 301523:BPJ48 nidx=null parent=4N8HW]
 + Marginella bella [SYNONYM SPECIES 301523:CH7NJ nidx=null parent=5BQC2]
Matsumura
 - Matsumura [SYNONYM GENUS 300004:8R2R8 nidx=null parent=5M2K]
 + Matsumura Schumacher, 1921 [SYNONYM GENUS 301523:CH64M nidx=null parent=CH64N]
Matsumuraja
 - Matsumuraja [ACCEPTED GENUS 300004:5M2K nidx=null]
 + Matsumuraja Schumacher, 1921 [ACCEPTED GENUS 301523:CH64N nidx=null]
Megalomastoma (Farcimen) digitale
 - Megalomastoma (Farcimen) digitale Gundlach, 1857 [SYNONYM SPECIES 300004:7S3KZ nidx=null parent=7TV9M]
 + Megalomastoma (Farcimen) digitale L. Pfeiffer, 1857 [SYNONYM SPECIES 301523:CH6LP nidx=null parent=CGZDV]
Megalomastoma digitale
 - Megalomastoma digitale Gundlach, 1857 [SYNONYM SPECIES 300004:7S3M5 nidx=null parent=7TV9M]
 + Megalomastoma digitale L. Pfeiffer, 1857 [SYNONYM SPECIES 301523:CH6LN nidx=null parent=CGZDV]
Megamecus (Gnathomecus)
 - Megamecus (Gnathomecus) Reitter, 1903 [ACCEPTED SUBGENUS 300004:8KGJM nidx=null]
 + Megamecus (Gnathomecus) [ACCEPTED SUBGENUS 301523:CH3JB nidx=null]
Mehratrema militaris
 - Mehratrema militaris Dutta, 1995 [SYNONYM SPECIES 300004:849ZZ nidx=null parent=446P6]
 + Mehratrema militaris Dutta, 1995 [SYNONYM SPECIES 301523:3Z2PH nidx=null parent=446P6]
Melampus hemphillii
 - Melampus hemphillii (Dall, 1884) [SYNONYM SPECIES 300004:739QW nidx=null parent=6XSP3]
 + Melampus hemphillii Dall, 1889 [ACCEPTED SPECIES 301523:CH773 nidx=null]
Melania almerae
 - Melania almerae L. M. Vidal, 1898 [SYNONYM SPECIES 300004:3Z77T nidx=null parent=6DYX9]
 + Melania almerae Cossmann, 1898 [SYNONYM SPECIES 301523:CH78V nidx=null parent=CGZ8H]
Melatoma alabamense
 - Melatoma alabamense Reeve, 1861 [SYNONYM SPECIES 300004:3ZDFB nidx=null parent=6L8VK]
 + Melatoma alabamense (I. Lea, 1860) [SYNONYM SPECIES 301523:CH7NR nidx=null parent=6KWVJ]
Melinnacheridae
 - Melinnacheridae Lutzen, 1964 [SYNONYM FAMILY 300004:BFDH6 nidx=null parent=7NKX3]
 + Melinnacheridae Bresciani & Lutzen, 1975 [SYNONYM FAMILY 301523:CH7R4 nidx=null parent=7NKX3]
Merodon (Merodon) podagricus
 - Merodon (Merodon) podagricus Villeneuve, 1909 [ACCEPTED SPECIES 300004:CDP8D nidx=null]
 + Merodon (Merodon) podagricus Villeneuve, 1909 [ACCEPTED SPECIES 301523:CH8BN nidx=null]
Mesocoelium brieni
 - Mesocoelium brieni Vercammen-Grandjean, 1960 [ACCEPTED SPECIES 300004:86WKL nidx=null]
 + Mesocoelium brieni Vercammen-Grandjean, 1960 [ACCEPTED SPECIES 301523:84B2J nidx=null]
Mesonemoura tianschanica
 - Mesonemoura tianschanica [SYNONYM SPECIES 300004:8NHF5 nidx=null parent=424PW]
 + Mesonemoura tianschanica Zhiltzova, 1971 [SYNONYM SPECIES 301523:CH8LK nidx=null parent=424PW]
Metapa pretoriae
 - Metapa pretoriae [SYNONYM SPECIES 300004:BT5XS nidx=null parent=92JG]
 + Metapa pretoriae (Miller, 1932) [SYNONYM SPECIES 301523:42BL8 nidx=null parent=92JG]
Miamyia (Miamyia) pintoi
 - Miamyia (Miamyia) pintoi Lima, 1930 [SYNONYM SPECIES 300004:89FMK nidx=null parent=8FMS9]
 + Miamyia (Miamyia) pintoi Lima, 1930 [SYNONYM SPECIES 301523:42LGN nidx=null parent=8FMS9]
Micrarionta guadalupiana
 - Micrarionta guadalupiana (Pilsbry & Vanatta, 1898) [ACCEPTED SPECIES 300004:B862T nidx=null]
 + Micrarionta guadalupiana (Dall, 1898) [ACCEPTED SPECIES 301523:42QPH nidx=null]
Microchordeuma voigtii postglaciale
 - Microchordeuma voigtii postglaciale Verhoeff, 1915 [SYNONYM SUBSPECIES 300004:CG46M nidx=null parent=7HF4L]
 + Microchordeuma voigtii postglaciale Verhoeff, 1915 [SYNONYM SUBSPECIES 301523:CH7TV nidx=null parent=7HF4L]
Microcycas
 - Microcycas [ACCEPTED GENUS 300004:CDNKR nidx=null]
 + Microcycas (Miq.) A.DC. [ACCEPTED GENUS 301523:CH7WQ nidx=null]
Micropalpus clausus
 - Micropalpus clausus Rondani, 1868 [SYNONYM SPECIES 300004:89G5Z nidx=null parent=C2RFJ]
 + Micropalpus clausus Rondani, 1868 [SYNONYM SPECIES 301523:4328R nidx=null parent=C2RFJ]
Microthoracaphis sutepensis
 - Microthoracaphis sutepensis [SYNONYM SPECIES 300004:8QWPP nidx=null parent=6S9FT]
 + Microthoracaphis sutepensis (Takahashi, 1941) [SYNONYM SPECIES 301523:CH8FW nidx=null parent=CH92Y]
Modiola denysiana
 - Modiola denysiana (A. d'Orbigny, 1844) [SYNONYM SPECIES 300004:B8T3J nidx=null parent=B8SY2]
 + Modiola denysiana [SYNONYM SPECIES 301523:CH9BS nidx=null parent=B8SY2]
Modiolus (Brachydontes) denysianus
 - Modiolus (Brachydontes) denysianus (A. d'Orbigny, 1844) [SYNONYM SPECIES 300004:B8TB7 nidx=null parent=B8SY2]
 + Modiolus (Brachydontes) denysianus [SYNONYM SPECIES 301523:CH9DH nidx=null parent=B8SY2]
Mogannia chinensis
 - Mogannia chinensis Stål, 1865 [AMBIGUOUS_SYNONYM SPECIES 300004:8J9DM nidx=null parent=8JJNM]
 + Mogannia chinensis Stål, 1865 [AMBIGUOUS_SYNONYM SPECIES 301523:6RMLJ nidx=null parent=8JJNM]
Mogannia kikowensis
 - Mogannia kikowensis Ôuchi, 1938 [SYNONYM SPECIES 300004:8J9F4 nidx=null parent=8JJNM]
 + Mogannia kikowensis Ôuchi, 1938 [SYNONYM SPECIES 301523:6RMN2 nidx=null parent=8JJNM]
Molobrus fuliginosus
 - Molobrus fuliginosus Fitch, 1856 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X5X nidx=null]
 + Molobrus fuliginosus Fitch, 1856 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSBK nidx=null]
Mononchus (Cobbonchus)
 - Mononchus (Cobbonchus) Andrássy, 1978 [ACCEPTED SUBGENUS 300004:BF555 nidx=null]
 + Mononchus (Cobbonchus) Andrássy, 1958 [SYNONYM SUBGENUS 301523:CGWGN nidx=null parent=87F43]
Montfortia (Hemitoma)
 - Montfortia (Hemitoma) Swainson, 1840 [SYNONYM SUBGENUS 300004:CD8QZ nidx=null parent=7P52M]
 + Montfortia (Hemitoma) Swainson, 1840 [SYNONYM SUBGENUS 301523:CGZZC nidx=null parent=7P52M]
Mulsantia blanda
 - Mulsantia blanda Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X6X nidx=null]
 + Mulsantia blanda Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSH6 nidx=null]
Mulsantia spreta
 - Mulsantia spreta Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X6Z nidx=null]
 + Mulsantia spreta Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSHV nidx=null]
Murex brandaris var. multicostatus
 - Murex brandaris var. multicostatus Serradell, 1912 [SYNONYM VARIETY 300004:C5Q6T nidx=null parent=MDDG]
 + Murex brandaris var. multicostatus Serradell, 1912 [SYNONYM VARIETY 301523:CH7YM nidx=null parent=MDDG]
Murex varians
 - Murex varians A. d'Orbigny, 1841 [SYNONYM SPECIES 300004:44MLC nidx=null parent=7D8XM]
 + Murex varians A. d'Orbigny, 1839 [SYNONYM SPECIES 301523:CH7YW nidx=null parent=7D8XM]
Musca abrupta
 - Musca abrupta Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X73 nidx=null]
 + Musca abrupta Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSHY nidx=null]
Musca aestuans
 - Musca aestuans Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X75 nidx=null]
 + Musca aestuans Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSJH nidx=null]
Musca bicolor
 - Musca bicolor Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 300004:9JSKL nidx=null]
 + Musca bicolor Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 301523:B3X79 nidx=null]
Musca comio
 - Musca comio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7J nidx=null]
 + Musca comio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSLZ nidx=null]
Musca conica
 - Musca conica Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7L nidx=null]
 + Musca conica Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 301523:9KH7H nidx=null]
Musca convenio
 - Musca convenio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7N nidx=null]
 + Musca convenio Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSMD nidx=null]
Musca decore
 - Musca decore Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7P nidx=null]
 + Musca decore Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSMM nidx=null]
Musca doclea
 - Musca doclea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7S nidx=null]
 + Musca doclea Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSMZ nidx=null]
Musca erythrocephala
 - Musca erythrocephala Fabricius, 1787 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X7X nidx=null]
 + Musca erythrocephala Fabricius, 1787 [PROVISIONALLY_ACCEPTED SPECIES 301523:9KH8D nidx=null]
Musca fimetorum
 - Musca fimetorum Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X82 nidx=null]
 + Musca fimetorum Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSNG nidx=null]
Musca flavipalpis
 - Musca flavipalpis Meigen, 1838 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X83 nidx=null]
 + Musca flavipalpis Meigen, 1838 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSNL nidx=null]
Musca gibbosa
 - Musca gibbosa Thunberg, 1789 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X86 nidx=null]
 + Musca gibbosa Thunberg, 1789 [PROVISIONALLY_ACCEPTED SPECIES 301523:9KH8W nidx=null]
Musca grisea
 - Musca grisea Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X87 nidx=null]
 + Musca grisea Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 301523:9KH94 nidx=null]
Musca guttata
 - Musca guttata Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X88 nidx=null]
 + Musca guttata Geoffroy, 1785 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSPB nidx=null]
Musca hebes
 - Musca hebes Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X8B nidx=null]
 + Musca hebes Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 301523:9KH98 nidx=null]
Musca helenii
 - Musca helenii Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X8C nidx=null]
 + Musca helenii Villers, 1789 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSPK nidx=null]
Musca lincensis
 - Musca lincensis Schrank, 1776 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X8M nidx=null]
 + Musca lincensis Schrank, 1776 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSQY nidx=null]
Musca metallina
 - Musca metallina Gravenhorst, 1807 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X8X nidx=null]
 + Musca metallina Gravenhorst, 1807 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSRP nidx=null]
Musca nigripilis
 - Musca nigripilis Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X95 nidx=null]
 + Musca nigripilis Gmelin, 1790 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSSF nidx=null]
Musca prodromaria
 - Musca prodromaria Panzer, 1804 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X97 nidx=null]
 + Musca prodromaria Panzer, 1804 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSTX nidx=null]
Musca prolabor
 - Musca prolabor Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X98 nidx=null]
 + Musca prolabor Harris, 1780 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSTY nidx=null]
Musca sacalis
 - Musca sacalis Bjerkander, 1783 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X99 nidx=null]
 + Musca sacalis Bjerkander, 1783 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSWK nidx=null]
Musca terrestris
 - Musca terrestris Linnaeus, 1767 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X9B nidx=null]
 + Musca terrestris Linnaeus, 1767 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JSY2 nidx=null]
Musculus denysianus
 - Musculus denysianus (A. d'Orbigny, 1844) [SYNONYM SPECIES 300004:B8SXZ nidx=null parent=B8SY2]
 + Musculus denysianus [SYNONYM SPECIES 301523:CH846 nidx=null parent=B8SY2]
Mycale (Zygomycale) parishi
 - Mycale (Zygomycale) parishi [SYNONYM SPECIES 300004:BWDYM nidx=null parent=6RR43]
 + Mycale (Zygomycale) parishi [SYNONYM SPECIES 301523:CH86B nidx=null parent=6RR43]
Mycalesis obscurus
 - Mycalesis obscurus Mell, 1942 [SYNONYM SPECIES 300004:CG4LY nidx=null parent=5JSKX]
 + Mycalesis obscurus Mell, 1942 [SYNONYM SPECIES 301523:CH86K nidx=null parent=5JSKX]
Mycetophila borealis
 - Mycetophila borealis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3X9F nidx=null]
 + Mycetophila borealis Walker, 1848 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JT38 nidx=null]
Myctophum alatus
 - Myctophum alatus () non Goode & Bean, 1896 [MISAPPLIED SPECIES 300004:CG523 nidx=null parent=3S2MG]
 + Myctophum alatus () [MISAPPLIED SPECIES 301523:CH8K9 nidx=null parent=3S2Q6]
 + Myctophum alatus () [MISAPPLIED SPECIES 301523:CH8KC nidx=null parent=3S2MG]
Mydaea (Mydaria) rufisquama
 - Mydaea (Mydaria) rufisquama Schnabl, 1915 [SYNONYM SPECIES 300004:88QND nidx=null parent=7BXVP]
 + Mydaea (Mydaria) rufisquama Schnabl, 1915 [SYNONYM SPECIES 301523:4524P nidx=null parent=8FFFR]
Myiolepta luhei
 - †Myiolepta luhei Cockerell, 1910 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XDW nidx=null]
 + Myiolepta luhei Cockerell, 1910 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JT5Q nidx=null]
Myiophasia solitaria
 - Myiophasia solitaria Aldrich, 1934 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XDY nidx=null]
 + Myiophasia solitaria Aldrich, 1934 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JT66 nidx=null]
Myophora arvicola
 - Myophora arvicola Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XF9 nidx=null]
 + Myophora arvicola Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JT72 nidx=null]
Myophora rapida
 - Myophora rapida Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XFQ nidx=null]
 + Myophora rapida Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JT7Z nidx=null]
Myothyria degeerioides
 - Myothyria degeerioides Wulp, 1890 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XGC nidx=null]
 + Myothyria degeerioides Wulp, 1890 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JT8F nidx=null]
Mytilus denysianus
 - Mytilus denysianus A. d'Orbigny, 1844 [SYNONYM SPECIES 300004:BHXTQ nidx=null parent=B8SY2]
 + Mytilus denysianus [SYNONYM SPECIES 301523:CH95K nidx=null parent=B8SY2]
Myxobolus homeosporus
 - Myxobolus homeosporus (Baker, 2009) [ACCEPTED SPECIES 300004:BTYDK nidx=null]
 + Myxobolus homeosporus (Baker, 1963) [ACCEPTED SPECIES 301523:CH97Z nidx=null]
Myxobolus opiensis
 - Myxobolus opiensis Chen & Ma, 1998 [SYNONYM SPECIES 300004:CGMJG nidx=null parent=CG5VH]
 + Myxobolus opiensis Ma & Zhao, 1993 [ACCEPTED SPECIES 301523:CHKW4 nidx=null]
Myxosoma homeospora
 - Myxosoma homeospora Baker, 2009 [SYNONYM SPECIES 300004:BTYVG nidx=null parent=BTYDK]
 + Myxosoma homeospora Baker, 1963 [SYNONYM SPECIES 301523:CH9B7 nidx=null parent=CH97Z]
Myzocallis subulmifolii
 - Myzocallis subulmifolii [SYNONYM SPECIES 300004:8R3BL nidx=null parent=573DQ]
 + Myzocallis subulmifolii Miller, 1936 [SYNONYM SPECIES 301523:CH9DK nidx=null parent=573DQ]
Naesiotus habeli
 - Naesiotus habeli (Stearns, 1892) [ACCEPTED SPECIES 300004:CG63L nidx=null]
 + Naesiotus habeli (Dall, 1892) [ACCEPTED SPECIES 301523:CH9GZ nidx=null]
Nannodiella elatior
 - Nannodiella elatior (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:9CW37 nidx=null]
 + Nannodiella elatior (A. d'Orbigny, 1847) [ACCEPTED SPECIES 301523:744JY nidx=null]
Neascus hoffmani
 - Neascus hoffmani Pandey, 1973 [ACCEPTED SPECIES 300004:B2QSY nidx=null]
 + Neascus hoffmani Pandey, 1975 [ACCEPTED SPECIES 301523:CH7X8 nidx=null]
Neascus komiyai
 - Neascus komiyai Pandey, 1973 [ACCEPTED SPECIES 300004:B2QWN nidx=null]
 + Neascus komiyai Pandey, 1975 [ACCEPTED SPECIES 301523:CH7X9 nidx=null]
Nemocardium exasperatum
 - Nemocardium exasperatum [SYNONYM SPECIES 300004:BH9F7 nidx=null parent=6K253]
 + Nemocardium exasperatum (G. B. Sowerby II, 1839) [SYNONYM SPECIES 301523:CH897 nidx=null parent=6K253]
Nemotelus (Nemotelus) gracilis
 - Nemotelus (Nemotelus) gracilis Loew, 1846 [ACCEPTED SPECIES 300004:CBM7L nidx=null]
 + Nemotelus (Nemotelus) gracilis Loew, 1846 [ACCEPTED SPECIES 301523:CH8BZ nidx=null]
Nemotelus (Nemotelus) punctirostris
 - Nemotelus (Nemotelus) punctirostris Lindner, 1974 [ACCEPTED SPECIES 300004:C7WXQ nidx=null]
 + Nemotelus (Nemotelus) punctirostris Lindner, 1974 [ACCEPTED SPECIES 301523:CH8C2 nidx=null]
Nemotelus (Nemotelus) satunini
 - Nemotelus (Nemotelus) satunini Pleske, 1937 [ACCEPTED SPECIES 300004:CG4RN nidx=null]
 + Nemotelus (Nemotelus) satunini Pleske, 1937 [ACCEPTED SPECIES 301523:CH8C3 nidx=null]
Nemotelus (Nemotelus) zelleri
 - Nemotelus (Nemotelus) zelleri Pleske, 1937 [ACCEPTED SPECIES 300004:CG4RP nidx=null]
 + Nemotelus (Nemotelus) zelleri Pleske, 1937 [ACCEPTED SPECIES 301523:CH8C4 nidx=null]
Nemotelus rufus
 - Nemotelus rufus De Geer, 1776 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XGT nidx=null]
 + Nemotelus rufus De Geer, 1776 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JT97 nidx=null]
Nemotelus sylvestris
 - Nemotelus sylvestris Müller, 1776 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XGZ nidx=null]
 + Nemotelus sylvestris Müller, 1776 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JT9F nidx=null]
Nemoura arstica
 - Nemoura arstica [SYNONYM SPECIES 300004:8NH6X nidx=null parent=469NC]
 + Nemoura arstica Esben-Petersen, 1910 [SYNONYM SPECIES 301523:CH8C9 nidx=null parent=469NC]
Nemoura pallidura
 - Nemoura pallidura [SYNONYM SPECIES 300004:8NGRB nidx=null parent=54HCQ]
 + Nemoura pallidura (Banks, 1902) [SYNONYM SPECIES 301523:CH8CG nidx=null parent=54HCQ]
Nemura
 - Nemura [SYNONYM GENUS 300004:8N7D2 nidx=null parent=8MQT5]
 + Nemura Latreille, 1796 [SYNONYM GENUS 301523:CH8CH nidx=null parent=8MQT5]
Nemura (Nemura)
 - Nemura (Nemura) [SYNONYM SUBGENUS 300004:8NGSK nidx=null parent=8MQT5]
 + Nemura (Nemura) Latreille, 1796 [SYNONYM SUBGENUS 301523:CH8CJ nidx=null parent=8MQT5]
Neodiplostomum brachyurum
 - Neodiplostomum brachyurum (Nicoll, 1914) Dubois, 1937 [ACCEPTED SPECIES 300004:B6C6Z nidx=null]
 + Neodiplostomum brachyurum (Nicoll, 1914) Semenov, 1927 [ACCEPTED SPECIES 301523:CH8KS nidx=null]
Neodiplostomum cochleare
 - Neodiplostomum cochleare (Krause, 1914) La Rue, 1914 [ACCEPTED SPECIES 300004:B2LNT nidx=null]
 + Neodiplostomum cochleare (Krause, 1914) La Rue, 1926 [ACCEPTED SPECIES 301523:CH8KZ nidx=null]
Neodiplostomum magnitesticulatum
 - Neodiplostomum magnitesticulatum (Bisseru, 1957) Dubois, 1968 [ACCEPTED SPECIES 300004:9J8LL nidx=null]
 + Neodiplostomum magnitesticulatum (Bisseru, 1957) Dubois, 1962 [ACCEPTED SPECIES 301523:CH8L8 nidx=null]
Neomisticius
 - Neomisticius [ACCEPTED GENUS 300004:99V4L nidx=null]
 + Neomisticius Siddiqi, 1986 [ACCEPTED GENUS 301523:CH8Q2 nidx=null]
Neoperla (Formosita) furcomaculata
 - Neoperla (Formosita) furcomaculata Kong & Li, 2016 [ACCEPTED SPECIES 300004:46PM7 nidx=null]
 + Neoperla (Formosita) furcomaculata Kong & Li, 2014 [ACCEPTED SPECIES 301523:CH8RL nidx=null]
Neoperla cavalerieri
 - Neoperla cavalerieri [SYNONYM SPECIES 300004:8NH6J nidx=null parent=46PKF]
 + Neoperla cavalerieri (Navás, 1922) [SYNONYM SPECIES 301523:CH8RP nidx=null parent=46PKF]
Neoperla nipponnensis
 - Neoperla nipponnensis [SYNONYM SPECIES 300004:8N39Q nidx=null parent=46PQQ]
 + Neoperla nipponnensis McLachlan, 1875 [SYNONYM SPECIES 301523:CH8RM nidx=null parent=46PQQ]
Neoperla plagiata
 - Neoperla plagiata [SYNONYM SPECIES 300004:8NGZF nidx=null parent=8NHHK]
 + Neoperla plagiata (Navás, 1926) [SYNONYM SPECIES 301523:CH8RX nidx=null parent=8NHHK]
Neoperla sjöstedti
 - Neoperla sjöstedti Newman, 1839 [SYNONYM SPECIES 300004:8N39V nidx=null parent=46PT8]
 + Neoperla sjöstedti Klapálek, 1909 [SYNONYM SPECIES 301523:CH8RN nidx=null parent=46PT8]
Neophasganophora multispina
 - Neophasganophora multispina [SYNONYM SPECIES 300004:8NGRR nidx=null parent=664VX]
 + Neophasganophora multispina (Wu, 1938) [SYNONYM SPECIES 301523:CH8SH nidx=null parent=664VX]
Neosymydobius quercihabitus
 - Neosymydobius quercihabitus [ACCEPTED SPECIES 300004:6RY23 nidx=null]
 + Neosymydobius quercihabitus Miller, 1936 [ACCEPTED SPECIES 301523:CH8ZP nidx=null]
Neothoracaphis sutepensis
 - Neothoracaphis sutepensis [ACCEPTED SPECIES 300004:6S9FT nidx=null]
 + Neothoracaphis sutepensis (Takahashi, 1941) [ACCEPTED SPECIES 301523:CH92Y nidx=null]
Nereis (Lycoris) gisserana
 - Nereis (Lycoris) gisserana Horst, 1924 [SYNONYM SPECIES 300004:CDS2N nidx=null parent=45Y4F]
 + Nereis (Lycoris) gisserana Horst, 1924 [SYNONYM SPECIES 301523:CH9L9 nidx=null parent=45Y4F]
Nipponaphis (Pseudonipponaphis) siamensis
 - Nipponaphis (Pseudonipponaphis) siamensis [SYNONYM SPECIES 300004:8QXPN nidx=null parent=4VBKH]
 + Nipponaphis (Pseudonipponaphis) siamensis (Takahashi, 1941) [SYNONYM SPECIES 301523:CH82J nidx=null parent=CHG4V]
Noctua degener
 - Noctua degener [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 300004:BRCCN nidx=null parent=92YVY]
 + Noctua degener [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 301523:97NQW nidx=null parent=92YVY]
Noctua radicea
 - Noctua radicea [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 300004:BRCF7 nidx=null parent=92TR9]
 + Noctua radicea [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 301523:97NWJ nidx=null parent=92TR9]
Noctua spoliatricula
 - Noctua spoliatricula [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 300004:BRCFP nidx=null parent=92YVY]
 + Noctua spoliatricula [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 301523:97NXM nidx=null parent=92YVY]
Nogiperla japonica
 - Nogiperla japonica [AMBIGUOUS_SYNONYM SPECIES 300004:9HG76 nidx=null parent=5CSB3]
 + Nogiperla japonica (Uéno, 1929) [SYNONYM SPECIES 301523:CH8D2 nidx=null parent=5CSB3]
Nonion depressulum var. matagordanum
 - Nonion depressulum var. matagordanum Kornfeld, 1931 [SYNONYM VARIETY 300004:CDPHW nidx=null parent=39CS2]
 + Nonion depressulum var. matagordanum Kornfeld, 1931 [SYNONYM VARIETY 301523:CH8HS nidx=null parent=39CS2]
Notiphila peregrina
 - Notiphila peregrina Wiedemann, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XKK nidx=null]
 + Notiphila peregrina Wiedemann, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301523:9V8GB nidx=null]
Ocenebra erinaceus elongatus
 - Ocenebra erinaceus elongatus Settepassi, 1970 [SYNONYM SUBSPECIES 300004:CG6GR nidx=null parent=48CQ8]
 + Ocenebra erinaceus elongatus Settepassi, 1970 [SYNONYM SUBSPECIES 301523:CH9RD nidx=null parent=48CQ8]
Ochthopetina cavalerieri
 - Ochthopetina cavalerieri [SYNONYM SPECIES 300004:8NGJS nidx=null parent=46PKF]
 + Ochthopetina cavalerieri (Navás, 1922) [SYNONYM SPECIES 301523:CH9TN nidx=null parent=46PKF]
Ochtiphila albiceps
 - Ochtiphila albiceps Meigen, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XLH nidx=null]
 + Ochtiphila albiceps Meigen, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301523:9V8GW nidx=null]
Oediceros aequimanus
 - Oediceros aequimanus Kossmann, 1880 [SYNONYM SPECIES 300004:7XKHT nidx=null parent=4F2PJ]
 + Oediceros aequimanus Kossmann, 1880 [SYNONYM SPECIES 301523:48VQ6 nidx=null parent=4F2PJ]
Omasaria funiculis
 - †Omasaria funiculis (Wolleman, 1902) [ACCEPTED SPECIES 300004:74K4G nidx=null]
 + Omasaria funiculis (Wollemann, 1899) [ACCEPTED SPECIES 301523:CH85M nidx=null]
Ommastrephes giganteus
 - Ommastrephes giganteus A. d'Orbigny, 1839–1842 [SYNONYM SPECIES 300004:CBGWK nidx=null parent=C9P5F]
 + Ommastrephes giganteus A. d'Orbigny, 1842 [SYNONYM SPECIES 301523:CH86J nidx=null parent=C9P5F]
Ommatoiulus vilnensis
 - Ommatoiulus vilnensis (Jawłowski, 1925) [SYNONYM SPECIES 300004:CG4NF nidx=null parent=84D2B]
 + Ommatoiulus vilnensis (Jawłowski, 1925) [SYNONYM SPECIES 301523:CH882 nidx=null parent=84D2B]
Oncopsis (Oncopsis) juglans
 - Oncopsis (Oncopsis) juglans (Matsumura, 1912) [SYNONYM SPECIES 300004:CG4XK nidx=null parent=49JC4]
 + Oncopsis (Oncopsis) juglans (Matsumura, 1912) [SYNONYM SPECIES 301523:CH8HH nidx=null parent=49JC4]
Oncopsis gibbus
 - Oncopsis gibbus Evans, 1942 [SYNONYM SPECIES 300004:C7V3J nidx=null parent=B79TX]
 + Oncopsis gibbus Evans, 1942 [SYNONYM SPECIES 301523:CH8HL nidx=null parent=B79TX]
Oncopsis scopulus
 - Oncopsis scopulus Evans, 1935 [SYNONYM SPECIES 300004:CG4XS nidx=null parent=8JVYZ]
 + Oncopsis scopulus Evans, 1935 [SYNONYM SPECIES 301523:CH8HP nidx=null parent=8JVYZ]
Onesia gentilis
 - Onesia gentilis Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XNS nidx=null]
 + Onesia gentilis Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JTGZ nidx=null]
Onthophagus (Colobonthophagus)
 - Onthophagus (Colobonthophagus) Balthasar, 1935 [ACCEPTED SUBGENUS 300004:63Y4W nidx=null]
 + Onthophagus (Colobonthophagus) Balthasar, 1963 [ACCEPTED SUBGENUS 301523:CGXF2 nidx=null]
Onthophagus (Gibbonthophagus)
 - Onthophagus (Gibbonthophagus) Balthasar, 1935 [ACCEPTED SUBGENUS 300004:B6SFD nidx=null]
 + Onthophagus (Gibbonthophagus) Balthasar, 1963 [ACCEPTED SUBGENUS 301523:CH2X7 nidx=null]
Onthophagus (Phanaeomorphus)
 - Onthophagus (Phanaeomorphus) Balthasar, 1935 [ACCEPTED SUBGENUS 300004:649RW nidx=null]
 + Onthophagus (Phanaeomorphus) Balthasar, 1963 [ACCEPTED SUBGENUS 301523:CH8LM nidx=null]
Onthophagus (Serrophorus)
 - Onthophagus (Serrophorus) Balthasar, 1935 [ACCEPTED SUBGENUS 300004:B6SMB nidx=null]
 + Onthophagus (Serrophorus) Balthasar, 1963 [ACCEPTED SUBGENUS 301523:CH8LP nidx=null]
Onthophagus (Strandius)
 - Onthophagus (Strandius) Balthasar, 1935 [ACCEPTED SUBGENUS 300004:63Y3Y nidx=null]
 + Onthophagus (Strandius) Balthasar, 1963 [ACCEPTED SUBGENUS 301523:CH8LQ nidx=null]
Onukia kelloggii
 - Onukia kelloggii Baker, 1923 [SYNONYM SPECIES 300004:CG548 nidx=null parent=RD9Y]
 + Onukia kelloggii Baker, 1923 [SYNONYM SPECIES 301523:CH8M6 nidx=null parent=RD9Y]
Orchomene minutus
 - Orchomene minutus (Krøyer, 1846) [SYNONYM SPECIES 300004:C7XYQ nidx=null parent=6SSXK]
 + Orchomene minutus (Krøyer, 1846) [SYNONYM SPECIES 301523:CH9R4 nidx=null parent=6SSXK]
Ortalis semivitta
 - Ortalis semivitta Walker, 1865 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XQ4 nidx=null]
 + Ortalis semivitta Walker, 1865 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JTKB nidx=null]
Oscinella (Oscinella) agrostis
 - Oscinella (Oscinella) agrostis Nartshuk, 1955 [ACCEPTED SPECIES 300004:CBMGB nidx=null]
 + Oscinella (Oscinella) agrostis Nartshuk, 1955 [ACCEPTED SPECIES 301523:CH8MX nidx=null]
Otiorhynchus aurosignatus
 - Otiorhynchus aurosignatus Apfelbeck, 1895 [SYNONYM SPECIES 300004:B7CDF nidx=null parent=6DBV9]
 + Otiorhynchus aurosignatus Apfelbeck, 1894 [SYNONYM SPECIES 301523:CH8T8 nidx=null parent=6DBV9]
 + Otiorhynchus aurosignatus Apfelbeck, 1894 [SYNONYM SPECIES 301523:CH8T9 nidx=null parent=6DBV9]
 + Otiorhynchus aurosignatus Apfelbeck, 1895 [SYNONYM SPECIES 301523:CH8TB nidx=null parent=6DBV9]
Otiorhynchus vlasuljensis
 - Otiorhynchus vlasuljensis Apfelbeck, 1895 [SYNONYM SPECIES 300004:CBNRR nidx=null parent=6DBV9]
 + Otiorhynchus vlasuljensis Apfelbeck, 1894 [SYNONYM SPECIES 301523:CH8TQ nidx=null parent=6DBV9]
 + Otiorhynchus vlasuljensis Apfelbeck, 1895 [SYNONYM SPECIES 301523:CH8TR nidx=null parent=6DBV9]
Ouralia
 - Ouralia Mulsant & Rey, 1874 [SYNONYM GENUS 300004:CG5J6 nidx=null parent=9JR2Q]
 + Ouralia Mulsant & Rey, 1873 [SYNONYM GENUS 301523:CH8XB nidx=null parent=9JR2Q]
 + Ouralia Mulsant & Rey, 1874 [SYNONYM GENUS 301523:CH8XC nidx=null parent=9JR2Q]
 + Ouralia Mulsant & Rey, 1875 [SYNONYM GENUS 301523:CH8XD nidx=null parent=9JR2Q]
Oxidercia toxea
 - Oxidercia toxea Druce, 1781 [AMBIGUOUS_SYNONYM SPECIES 300004:CG5TH nidx=null parent=4BBWZ]
 + Oxidercia toxea Druce, 1781 [AMBIGUOUS_SYNONYM SPECIES 301523:CH962 nidx=null parent=4BBWZ]
 + Oxidercia toxea Druce [AMBIGUOUS_SYNONYM SPECIES 301523:CH963 nidx=null parent=4BBXF]
Palaeocolpodia eocenica
 - †Palaeocolpodia eocenica Meunier, 1904 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XVF nidx=null]
 + Palaeocolpodia eocenica Meunier, 1904 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JTQ7 nidx=null]
Palaeopipiza xenos
 - †Palaeopipiza xenos Meunier, 1902 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XVG nidx=null]
 + Palaeopipiza xenos Meunier, 1902 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JTQD nidx=null]
Palaeosphegina tristis
 - †Palaeosphegina tristis Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XVH nidx=null]
 + Palaeosphegina tristis Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JTQR nidx=null]
Pamirina evoluta
 - †Pamirina evoluta Rauzer-Chernousova, 1988 [PROVISIONALLY_ACCEPTED SPECIES 300004:836J7 nidx=null]
 + Pamirina evoluta Sheng & Sun, 1975 [SYNONYM SPECIES 301523:CHBKW nidx=null parent=836J8]
Panagrolaimus coronatus
 - Panagrolaimus coronatus Fuchs, 1930 [SYNONYM SPECIES 300004:9C9PH nidx=null parent=88V5R]
 + Panagrolaimus coronatus (Fuchs, 1930) Thorne, 1939 [SYNONYM SPECIES 301523:CHBM9 nidx=null parent=88V5R]
Pangonia leucomelana
 - Pangonia leucomelana Séguy, 1933 [SYNONYM SPECIES 300004:89MQW nidx=null parent=8D9TL]
 + Pangonia leucomelana Séguy, 1933 [SYNONYM SPECIES 301523:4CCJZ nidx=null parent=8D9TL]
Pangonia senegalensis
 - Pangonia senegalensis Macquart, 1834 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XVW nidx=null]
 + Pangonia senegalensis Macquart, 1834 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JTTY nidx=null]
Papilio ismarus
 - Papilio ismarus Cramer, 1779 [SYNONYM SPECIES 300004:9F8CJ nidx=null parent=566HS]
 + Papilio ismarus Cramer, 1779 [SYNONYM SPECIES 301523:CHBZ4 nidx=null parent=566HS]
Paracypria tenuis
 - Paracypria tenuis (Sars, 1910) [ACCEPTED SPECIES 300004:4CSGZ nidx=null]
 + Paracypria tenuis (Sars, 1905) [ACCEPTED SPECIES 301523:CH9QY nidx=null]
Paragnetina transversa
 - Paragnetina transversa [SYNONYM SPECIES 300004:8N3LR nidx=null parent=8NGRN]
 + Paragnetina transversa (Wu, 1962) [SYNONYM SPECIES 301523:4CVVB nidx=null parent=8NGRN]
Paragus (Pandasyopthalmus) chalybeatus
 - Paragus (Pandasyopthalmus) chalybeatus Hull, 1964 [ACCEPTED SPECIES 300004:92VKY nidx=null]
 + Paragus (Pandasyopthalmus) chalybeatus Hull, 1964 [ACCEPTED SPECIES 301523:4CWHT nidx=null]
Paralongidorus (Siddiqia) remyi
 - Paralongidorus (Siddiqia) remyi (Altherr, 1963) Siddiqi & Husain, 1965 [SYNONYM SPECIES 300004:CG6RG nidx=null parent=9C8QH]
 + Paralongidorus (Siddiqia) remyi (Altherr, 1963) Siddiqi & Husain, 1965 [SYNONYM SPECIES 301523:CH9XT nidx=null parent=9C8QH]
Parastenhelia forficula littoralis
 - Parastenhelia forficula littoralis (Claus, 1883) [ACCEPTED SUBSPECIES 300004:7HPSV nidx=null]
 + Parastenhelia forficula littoralis Sars, G.O., 1911 [ACCEPTED SUBSPECIES 301523:CHBJP nidx=null]
Parastentheliidae
 - Parastentheliidae Lang, 1936 [SYNONYM FAMILY 300004:BG479 nidx=null parent=7NKC2]
 + Parastentheliidae Lang, 1948 [SYNONYM FAMILY 301523:CHBJV nidx=null parent=7NKC2]
Parathoracaphis elongata
 - Parathoracaphis elongata [ACCEPTED SPECIES 300004:4DFMV nidx=null]
 + Parathoracaphis elongata (Takahashi, 1941) [ACCEPTED SPECIES 301523:CHBMX nidx=null]
Paratrichosiphum flavum
 - Paratrichosiphum flavum [SYNONYM SPECIES 300004:C7Y9T nidx=null parent=6HKSG]
 + Paratrichosiphum flavum Takahashi, 1941 [SYNONYM SPECIES 301523:CHBPZ nidx=null parent=CH2VC]
Pecten tehuelchus
 - Pecten tehuelchus A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:6TVKX nidx=null parent=64YTH]
 + Pecten tehuelchus A. d'Orbigny, 1846 [SYNONYM SPECIES 301523:CHCKF nidx=null parent=CGPCM]
Pectinaria (Lagis) australis
 - Pectinaria (Lagis) australis Ehlers, 1904 [SYNONYM SPECIES 300004:CG8SK nidx=null parent=6NV63]
 + Pectinaria (Lagis) australis Ehlers, 1904 [SYNONYM SPECIES 301523:CHCLT nidx=null parent=6NV63]
Pegomya laminata
 - Pegomya laminata Ringdahl, 1951 [ACCEPTED SPECIES 300004:92VST nidx=null]
 + Pegomya laminata Ringdahl, 1951 [ACCEPTED SPECIES 301523:75XZC nidx=null]
Peltoperlopsis formosana
 - Peltoperlopsis formosana [SYNONYM SPECIES 300004:8N3PL nidx=null parent=ZYGD]
 + Peltoperlopsis formosana (Klapálek, 1913) [SYNONYM SPECIES 301523:76FXK nidx=null parent=ZYGD]
Pemphigus (Pemphigus) niishimae
 - Pemphigus (Pemphigus) niishimae [ACCEPTED SPECIES 300004:C3ZDL nidx=null]
 + Pemphigus (Pemphigus) niishimae [ACCEPTED SPECIES 301523:CH9WF nidx=null]
Peneroplis pertusus var. planatus
 - Peneroplis pertusus var. planatus (Fichtel & Moll, 1798) [SYNONYM VARIETY 300004:C7YZB nidx=null parent=76H73]
 + Peneroplis pertusus var. planatus (Fichtel & Moll, 1798) [SYNONYM VARIETY 301523:CH9WX nidx=null parent=76H73]
Peristichia pedroana
 - Peristichia pedroana (Dall & Bartsch, 1909) [ACCEPTED SPECIES 300004:4F4ZV nidx=null]
 + Peristichia pedroana (Dall & Bartsch, 1903) [ACCEPTED SPECIES 301523:CHBQ3 nidx=null]
Perla coreana
 - Perla coreana [SYNONYM SPECIES 300004:8N3QW nidx=null parent=4BMSS]
 + Perla coreana (Okamoto, 1921) [SYNONYM SPECIES 301523:4F697 nidx=null parent=4BMSS]
Perla tripunctata
 - Perla tripunctata [SYNONYM SPECIES 300004:8NH9C nidx=null parent=69XXH]
 + Perla tripunctata (Scopoli, 1763) [SYNONYM SPECIES 301523:CHBQS nidx=null parent=69XXH]
Pestalichomolgus
 - Pestalichomolgus Wilson C.B., 1924 [SYNONYM GENUS 300004:BGMXL nidx=null parent=7P5S2]
 + Pestalichomolgus Wilson C.B., 1932 [SYNONYM GENUS 301523:CHBTQ nidx=null parent=7P5S2]
Petalodiplostomum
 - Petalodiplostomum Dubois, 1960 [SYNONYM GENUS 300004:BGMXR nidx=null parent=9HMMZ]
 + Petalodiplostomum Dubois, 1936 [SYNONYM GENUS 301523:CHBVM nidx=null parent=9HMMZ]
Phacoides (Epilucina)
 - Phacoides (Epilucina) Dall, 1901 [SYNONYM SUBGENUS 300004:CFMR5 nidx=null parent=7NYX6]
 + Phacoides (Epilucina) Dall, 1901 [SYNONYM SUBGENUS 301523:CGWW2 nidx=null parent=7NYX6]
Phaenocladius karicus
 - Phaenocladius karicus Chernovsky, 1944 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3XYB nidx=null]
 + Phaenocladius karicus Chernovsky, 1944 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JVF9 nidx=null]
Phalaena (Noctua) fagi
 - Phalaena (Noctua) fagi Linnaeus, 1758 [SYNONYM SPECIES 300004:94CYF nidx=null parent=93PHG]
 + Phalaena (Noctua) fagi Linnaeus, 1758 [SYNONYM SPECIES 301523:BRCX7 nidx=null parent=93PHG]
Phalaena (Pyralis) sulphuralis
 - Phalaena (Pyralis) sulphuralis Linnaeus, 1767 [SYNONYM SPECIES 300004:BRCZ8 nidx=null parent=93PQG]
 + Phalaena (Pyralis) sulphuralis Linnaeus, 1767 [SYNONYM SPECIES 301523:97YMT nidx=null parent=93PQG]
Phalaena (Tinea) goedartella
 - Phalaena (Tinea) goedartella Linnaeus, 1758 [SYNONYM SPECIES 300004:94CZG nidx=null parent=BFLFD]
 + Phalaena (Tinea) goedartella Linnaeus, 1758 [SYNONYM SPECIES 301523:BRCXH nidx=null parent=BFLFD]
Phanaeus lautus
 - Phanaeus lautus MacLeay, 1819 [SYNONYM SPECIES 300004:7Y4LS nidx=null parent=7ZQ4T]
 + Phanaeus lautus MacLeay, 1819 [SYNONYM SPECIES 301523:4FSMT nidx=null parent=7ZQ4T]
Philinta flava
 - Philinta flava Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Y23 nidx=null]
 + Philinta flava Robineau-Desvoidy, 1830 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JVGQ nidx=null]
Phimenes fulvipennis
 - Phimenes fulvipennis (Smith, 1857) [ACCEPTED SPECIES 300004:C83SM nidx=null]
 + Phimenes fulvipennis (Smith, 1857) [ACCEPTED SPECIES 301523:CHBB7 nidx=null]
Pholas crucifera
 - Pholas crucifera auct. [SYNONYM SPECIES 300004:CBTPK nidx=null parent=33N9Q]
 + Pholas crucifera [SYNONYM SPECIES 301523:4GKVZ nidx=null parent=33N9Q]
Phora gigantea
 - Phora gigantea Enderlein, 1912 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Y2M nidx=null]
 + Phora gigantea Enderlein, 1912 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JVHG nidx=null]
Phyllophora
 - Phyllophora Milne Edwards H., 1840 [SYNONYM GENUS 300004:BDXWG nidx=null parent=7PRTT]
 + Phyllophora [SYNONYM GENUS 301523:63MN9 nidx=null parent=8NXBM]
 + Phyllophora Milne Edwards, 1840 [SYNONYM GENUS 301523:CHC8R nidx=null parent=7PRTT]
 + Phyllophora [SYNONYM GENUS 301523:CHC8S nidx=null parent=8NXBM]
Phyllospongia (Antheroplax) dendyi var. frondosa
 - Phyllospongia (Antheroplax) dendyi var. frondosa Lendenfeld, 1889 [SYNONYM VARIETY 300004:CBQM7 nidx=null parent=3T56V]
 + Phyllospongia (Antheroplax) dendyi var. frondosa Lendenfeld, 1889 [SYNONYM VARIETY 301523:CHCBB nidx=null parent=3T56V]
Pilocamptus kamerunensis kamerunensis
 - Pilocamptus kamerunensis kamerunensis Kiefer, 1928 [ACCEPTED SUBSPECIES 300004:B8KZG nidx=null]
 + Pilocamptus kamerunensis kamerunensis Kiefer, 1928 [SYNONYM SUBSPECIES 301523:BCS8S nidx=null parent=8FV4Q]
Pilsbryspira albomaculata
 - Pilsbryspira albomaculata (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:7SQ3C nidx=null]
 + Pilsbryspira albomaculata (A. d'Orbigny, 1847) [SYNONYM SPECIES 301523:4HVN8 nidx=null parent=4HVNT]
Pinna listeri
 - Pinna listeri A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:4HYTH nidx=null parent=JL77]
 + Pinna listeri A. d'Orbigny, 1846 [SYNONYM SPECIES 301523:CHBPS nidx=null parent=JL77]
Pinna patagonica
 - Pinna patagonica A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:77LKD nidx=null parent=JL77]
 + Pinna patagonica A. d'Orbigny, 1846 [SYNONYM SPECIES 301523:CHBPT nidx=null parent=JL77]
Pinnotheres monodactylum
 - Pinnotheres monodactylum Say, 1818 [SYNONYM SPECIES 300004:7Y7YC nidx=null parent=84H9L]
 + Pinnotheres monodactylum Say, 1818 [SYNONYM SPECIES 301523:4HZ7P nidx=null parent=84H9L]
Piophila senescens
 - Piophila senescens Melander & Spuler, 1917 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Y67 nidx=null]
 + Piophila senescens Melander & Spuler, 1917 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JVTT nidx=null]
Plagionotus (Echinocerus) floralis
 - Plagionotus (Echinocerus) floralis [AMBIGUOUS_SYNONYM SPECIES 300004:CG8BV nidx=null parent=BS92S]
 + Plagionotus (Echinocerus) floralis [AMBIGUOUS_SYNONYM SPECIES 301523:CHC72 nidx=null parent=BS92S]
 + Plagionotus (Echinocerus) floralis [AMBIGUOUS_SYNONYM SPECIES 301523:CHC73 nidx=null parent=BS8WR]
Planaria gesserensis
 - Planaria gesserensis Müller, 1788 [SYNONYM SPECIES 300004:4JJ8N nidx=null parent=3V2RM]
 + Planaria gesserensis Müller, 1780 [SYNONYM SPECIES 301523:CHC8M nidx=null parent=3V2RM]
Planorbis (Coretus) cornu mantelli
 - Planorbis (Coretus) cornu mantelli Dunker, 1848 [SYNONYM SUBSPECIES 300004:CDWD5 nidx=null parent=4JKJK]
 + Planorbis (Coretus) cornu mantelli Dunker, 1848 [SYNONYM SUBSPECIES 301523:CHCBX nidx=null parent=4JKJK]
Platylomia karäisana
 - Platylomia karäisana (Matsumura, 1907) [SYNONYM SPECIES 300004:C83GF nidx=null parent=6R3ZC]
 + Platylomia karäisana (Matsumura, 1907) [SYNONYM SPECIES 301523:CHCQ5 nidx=null parent=6R3ZC]
Platymoideus gutterans
 - Platymoideus gutterans (Ball, 1931) [SYNONYM SPECIES 300004:CG935 nidx=null parent=9KSM7]
 + Platymoideus gutterans (Ball, 1931) [SYNONYM SPECIES 301523:CHCRC nidx=null parent=9KSM7]
Platynotus
 - Platynotus De Haan, 1835 [SYNONYM GENUS 300004:B8Z69 nidx=null parent=7PGD8]
 + Platynotus De Haan, 1833 [SYNONYM GENUS 301523:CH2XM nidx=null parent=7PGD8]
Plectus tenuis
 - Plectus tenuis de Man, 1884 [PROVISIONALLY_ACCEPTED SPECIES 300004:88YM4 nidx=null]
 + Plectus tenuis Bastian, 1865 [ACCEPTED SPECIES 301523:88YM3 nidx=null]
Pleurobema oviforme argenteum
 - Pleurobema oviforme argenteum (I. Lea, 1841) [SYNONYM SUBSPECIES 300004:CG9QR nidx=null parent=783RR]
 + Pleurobema oviforme argenteum (I. Lea, 1841) [SYNONYM SUBSPECIES 301523:CHD9W nidx=null parent=783RR]
Pleurocrypta galatheae
 - Pleurocrypta galatheae auct. [SYNONYM SPECIES 300004:CBVWS nidx=null parent=4KBB6]
 + Pleurocrypta galatheae [SYNONYM SPECIES 301523:4KBB5 nidx=null parent=4KBB6]
Pleurogenes sitapurii
 - Pleurogenes sitapurii Srivastava, 1934 [SYNONYM SPECIES 300004:8K3WT nidx=null parent=84CDL]
 + Pleurogenes sitapurii Srivastava, 1934 [SYNONYM SPECIES 301523:84CD4 nidx=null parent=84CDL]
Pleuromamma abdominalis abyssalis
 - Pleuromamma abdominalis abyssalis (Giesbrecht, 1893) [ACCEPTED SUBSPECIES 300004:7HSRP nidx=null]
 + Pleuromamma abdominalis abyssalis Steuer, 1932 [ACCEPTED SUBSPECIES 301523:CHDC9 nidx=null]
Pleurotoma (Bela) blakeana var. extensa
 - Pleurotoma (Bela) blakeana var. extensa Dall, 1881 [SYNONYM VARIETY 300004:CG9Y7 nidx=null parent=43KRM]
 + Pleurotoma (Bela) blakeana var. extensa Dall, 1881 [SYNONYM VARIETY 301523:CHDG4 nidx=null parent=43KRM]
Pleurotoma elatior
 - Pleurotoma elatior A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:9D4J5 nidx=null parent=9CW37]
 + Pleurotoma elatior A. d'Orbigny, 1847 [SYNONYM SPECIES 301523:CHDGW nidx=null parent=744JY]
Podocoryne americana
 - Podocoryne americana Mayer, 1900 [SYNONYM SPECIES 300004:4KQJ7 nidx=null parent=4KQHF]
 + Podocoryne americana Mayer, 1910 [SYNONYM SPECIES 301523:CHBSB nidx=null parent=4KQHF]
Poecilimon (Poecilimon) jonicus
 - Poecilimon (Poecilimon) jonicus (Fieber, 1853) [ACCEPTED SPECIES 300004:CG7SR nidx=null]
 + Poecilimon (Poecilimon) jonicus (Fieber, 1853) [ACCEPTED SPECIES 301523:CHBTK nidx=null]
Polydesmus sallei
 - Polydesmus sallei DeSaussure, 1860 [SYNONYM SPECIES 300004:935LY nidx=null parent=994CQ]
 + Polydesmus sallei DeSaussure, 1860 [SYNONYM SPECIES 301523:4L5T6 nidx=null parent=994CQ]
Polydesmus tarascus
 - Polydesmus tarascus De Saussure, 1860 [SYNONYM SPECIES 300004:CBT3F nidx=null parent=YFX5]
 + Polydesmus tarascus De Saussure, 1860 [SYNONYM SPECIES 301523:CHC7Z nidx=null parent=YFX5]
Polymastia mammillaris rara
 - Polymastia mammillaris rara Koltun, 1966 [SYNONYM SUBSPECIES 300004:CG8MH nidx=null parent=4LB38]
 + Polymastia mammillaris rara Koltun, 1966 [SYNONYM SUBSPECIES 301523:CHCFQ nidx=null parent=4LB38]
Polymesoda (Neocyrena) fontainei
 - Polymesoda (Neocyrena) fontainei (A. d'Orbigny, 1942) [SYNONYM SPECIES 300004:7SSG7 nidx=null parent=4LBDJ]
 + Polymesoda (Neocyrena) fontainei (A. d'Orbigny, 1846) [SYNONYM SPECIES 301523:CHCFY nidx=null parent=CHCFZ]
Polymesoda fontainei
 - Polymesoda fontainei (A. d'Orbigny, 1842) [ACCEPTED SPECIES 300004:4LBDJ nidx=null]
 + Polymesoda fontainei (A. d'Orbigny, 1846) [ACCEPTED SPECIES 301523:CHCFZ nidx=null]
Pomphigus spyrothecae
 - Pomphigus spyrothecae Passerini, 1860 [SYNONYM SPECIES 300004:8PHXL nidx=null parent=8PGSX]
 + Pomphigus spyrothecae Passerini, 1860 [SYNONYM SPECIES 301523:4LR5K nidx=null parent=8PGSX]
Pontia
 - Pontia Milne Edwards H., 1828 [SYNONYM GENUS 300004:BDXDB nidx=null parent=7PTPR]
 + Pontia Milne Edwards, 1828 [SYNONYM GENUS 301523:CHD3Z nidx=null parent=7PTPR]
Posterobranchus
 - Posterobranchus A. d'Orbigny, 1835 [SYNONYM GENUS 300004:BGNSM nidx=null parent=7P9K9]
 + Posterobranchus [SYNONYM GENUS 301523:CHDFD nidx=null parent=7P9K9]
Praephiline finmarchica
 - Praephiline finmarchica (M. Sars, 1859) [SYNONYM SPECIES 300004:4M8LY nidx=null parent=3S87Y]
 + Praephiline finmarchica (M. Sars, 1859) [ACCEPTED SPECIES 301523:7SSZ6 nidx=null]
Proforficula
 - Proforficula Steinmann, 1990 [ACCEPTED GENUS 300004:8MTQD nidx=null]
 + Proforficula Steinmann, 1993 [ACCEPTED GENUS 301523:CHCNM nidx=null]
Profusulinella (Depratina) subovata
 - Profusulinella (Depratina) subovata Safonova in Rauzer-Chernousova et al., 1951 [SYNONYM SPECIES 300004:CBXKQ nidx=null parent=83MPW]
 + Profusulinella (Depratina) subovata Safonova in Rauzer-Chernousova et al., 1951 [SYNONYM SPECIES 301523:CHCNQ nidx=null parent=83MPW]
Proparasitylenchus
 - Proparasitylenchus [ACCEPTED GENUS 300004:9B7FZ nidx=null]
 + Proparasitylenchus (Wachek, 1955) Nickle, 1967 [ACCEPTED GENUS 301523:CHCRS nidx=null]
Prorhynchida
 - Prorhynchida Laumer & Giribet, 2014 [ACCEPTED ORDER 300004:7NG9J nidx=null]
 + Prorhynchida Karling, 1974 [ACCEPTED ORDER 301523:CHCT2 nidx=null]
Prostemmiulus modicus var. cordovanus
 - Prostemmiulus modicus var. cordovanus Silvestri, 1916 [SYNONYM VARIETY 300004:CDXJ4 nidx=null parent=B77FL]
 + Prostemmiulus modicus var. cordovanus Silvestri, 1916 [SYNONYM VARIETY 301523:CHCWC nidx=null parent=B77FL]
Proterorhynchus argentinus
 - Proterorhynchus argentinus Brèthes, 1912 [SYNONYM SPECIES 300004:8CNJN nidx=null parent=C2SPK]
 + Proterorhynchus argentinus Brèthes, 1912 [SYNONYM SPECIES 301523:4N3MH nidx=null parent=C2SPK]
Protomedeia (Cheirimedia) zotea
 - Protomedeia (Cheirimedia) zotea J.L. Barnard, 1962 [SYNONYM SPECIES 300004:CDY24 nidx=null parent=TTWM]
 + Protomedeia (Cheirimedia) zotea J.L. Barnard, 1962 [SYNONYM SPECIES 301523:CHD67 nidx=null parent=TTWM]
Protomyia fusca
 - †Protomyia fusca Oustalet, 1870 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YDJ nidx=null]
 + Protomyia fusca Oustalet, 1870 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JW6S nidx=null]
Protonemura maclachlani
 - Protonemura maclachlani [SYNONYM SPECIES 300004:8NGWQ nidx=null parent=3PNFN]
 + Protonemura maclachlani (Kimmins, 1950) [SYNONYM SPECIES 301523:CHD6C nidx=null parent=3PNFN]
Protonemura nyakmadongi
 - Protonemura nyakmadongi [SYNONYM SPECIES 300004:8NGTY nidx=null parent=3PNFT]
 + Protonemura nyakmadongi (Aubert, 1967) [SYNONYM SPECIES 301523:CHD6D nidx=null parent=3PNFT]
Protonemura umbrosa
 - Protonemura umbrosa [SYNONYM SPECIES 300004:8N4C6 nidx=null parent=5KPDT]
 + Protonemura umbrosa Illies, 1966 [SYNONYM SPECIES 301523:CHD6G nidx=null parent=5KPDT]
Prozvenella bangaloriensis
 - Prozvenella bangaloriensis [SYNONYM SPECIES 300004:BV6DG nidx=null parent=4N88R]
 + Prozvenella bangaloriensis Desutter-Grandcolas, Metrani & Balakrishnan, 2003 [SYNONYM SPECIES 301523:CHDCG nidx=null parent=4N88R]
Prunum avenacea
 - Prunum avenacea auct. [SYNONYM SPECIES 300004:CBVPF nidx=null parent=4N8HW]
 + Prunum avenacea [SYNONYM SPECIES 301523:4N8HP nidx=null parent=4N8HW]
Prunum bellum
 - Prunum bellum auct. [SYNONYM SPECIES 300004:CBVPG nidx=null parent=4N8HW]
 + Prunum bellum [SYNONYM SPECIES 301523:4N8HX nidx=null parent=4N8HW]
Psammopsyllidae
 - Psammopsyllidae [SYNONYM FAMILY 300004:BG4CL nidx=null parent=7NJCG]
 + Psammopsyllidae Krishnaswamy, 1956 [SYNONYM FAMILY 301523:CHDKC nidx=null parent=7NJCG]
Psammopsyllinae
 - Psammopsyllinae [ACCEPTED SUBFAMILY 300004:7ZFQ9 nidx=null]
 + Psammopsyllinae Krishnaswamy, 1956 [ACCEPTED SUBFAMILY 301523:CHDKD nidx=null]
Psammoseris hemisphericus
 - Psammoseris hemisphericus (Gray, 1849) [SYNONYM SPECIES 300004:CGB48 nidx=null parent=3L92W]
 + Psammoseris hemisphericus (Gray, 1849) [SYNONYM SPECIES 301523:CHDKF nidx=null parent=3L92W]
Pseudameira mixta mixta
 - Pseudameira mixta mixta Sars M., 1920 [ACCEPTED SUBSPECIES 300004:7ZHDW nidx=null]
 + Pseudameira mixta mixta Sars G.O., 1920 [ACCEPTED SUBSPECIES 301523:CHDNS nidx=null]
Pseudamnicola (Corrosella) valladolensis kahbei
 - Pseudamnicola (Corrosella) valladolensis kahbei Boeters, Girardi & Knebelsberger, 2015 [SYNONYM SUBSPECIES 300004:CDZ2D nidx=null parent=5DX2G]
 + Pseudamnicola (Corrosella) valladolensis kahbei Boeters, H. Girardi & Knebelsberger, 2015 [SYNONYM SUBSPECIES 301523:7KQ3W nidx=null parent=5DX2G]
Pseudelma (Pseudelma)
 - Pseudelma (Pseudelma) Kobelt, 1904 [SYNONYM SUBGENUS 300004:CD9SD nidx=null parent=7PDQR]
 + Pseudelma (Pseudelma) Kobelt, 1904 [SYNONYM SUBGENUS 301523:CH2JD nidx=null parent=7PDQR]
Pseudoamnicola
 - Pseudoamnicola auct. [SYNONYM GENUS 300004:CBY2K nidx=null parent=7PDPZ]
 + Pseudoamnicola [SYNONYM GENUS 301523:BGP9N nidx=null parent=7PDPZ]
Pseudocalanidae
 - Pseudocalanidae Giesbrecht, 1895 [SYNONYM FAMILY 300004:BG4CN nidx=null parent=7NGTN]
 + Pseudocalanidae Sars G.O., 1901 [SYNONYM FAMILY 301523:CHF38 nidx=null parent=7NGTN]
Pseudocnus köllikeri
 - Pseudocnus köllikeri Panning, 1949 [SYNONYM SPECIES 300004:BHG5D nidx=null parent=6WDRD]
 + Pseudocnus köllikeri of Panning, 1949 [SYNONYM SPECIES 301523:CHF5F nidx=null parent=6WDRD]
Pseudofentonia (Dymantis) tiga
 - Pseudofentonia (Dymantis) tiga Schintlmeister, 1997 [SYNONYM SPECIES 300004:BMWFS nidx=null parent=C7JG2]
 + Pseudofentonia (Dymantis) tiga Schintlmeister, 1997 [SYNONYM SPECIES 301523:6WFWQ nidx=null parent=C7JG2]
Pseudofentonia (Eufentonia) emiror
 - Pseudofentonia (Eufentonia) emiror Schintlmeister, 1989 [SYNONYM SPECIES 300004:BMWFP nidx=null parent=C4MJT]
 + Pseudofentonia (Eufentonia) emiror Schintlmeister, 1989 [SYNONYM SPECIES 301523:78G8L nidx=null parent=C4MJT]
Pseudohormomyia orientalis
 - Pseudohormomyia orientalis Rao, 1956 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YDW nidx=null]
 + Pseudohormomyia orientalis Rao, 1956 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JW8M nidx=null]
Pseudokatosira undulata
 - †Pseudokatosira undulata (Zieten, 1830) [ACCEPTED SPECIES 300004:9ZPFS nidx=null]
 + Pseudokatosira undulata (Zieten, 1832) [ACCEPTED SPECIES 301523:7SV3D nidx=null]
Pseudosimnia wieseorum
 - Pseudosimnia wieseorum Lorenz, 1985 [ACCEPTED SPECIES 300004:6WGH5 nidx=null]
 + Pseudosimnia wieseorum Lorenz, 1987 [ACCEPTED SPECIES 301523:CHD72 nidx=null]
Pseudosphegina dichoptica
 - †Pseudosphegina dichoptica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YF8 nidx=null]
 + Pseudosphegina dichoptica Hull, 1945 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWB2 nidx=null]
Psila (Psila) hennigi
 - Psila (Psila) hennigi (Thompson & Pont, 1994) [ACCEPTED SPECIES 300004:8DJHJ nidx=null]
 + Psila (Psila) hennigi (Thompson & Pont, 1994) [ACCEPTED SPECIES 301523:4PG6X nidx=null]
Psilopus ducalis
 - Psilopus ducalis Rondani, 1850 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFC nidx=null]
 + Psilopus ducalis Rondani, 1850 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWG8 nidx=null]
Psilopus gemmatus
 - Psilopus gemmatus Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFD nidx=null]
 + Psilopus gemmatus Walker, 1849 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWGB nidx=null]
Psilopus leiopus
 - Psilopus leiopus Doleschall, 1856 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFF nidx=null]
 + Psilopus leiopus Doleschall, 1856 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWGH nidx=null]
Psilopus nitidus
 - Psilopus nitidus Walker, 1852 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFG nidx=null]
 + Psilopus nitidus Walker, 1852 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWGK nidx=null]
Psilopus palmetorum
 - Psilopus palmetorum Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFH nidx=null]
 + Psilopus palmetorum Doleschall, 1858 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWGM nidx=null]
Psilopus restrictus
 - Psilopus restrictus Hutton, 1901 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFK nidx=null]
 + Psilopus restrictus Hutton, 1901 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWGV nidx=null]
Psilopus saphirus
 - Psilopus saphirus Bigot, 1858 [SYNONYM SPECIES 300004:8D6F6 nidx=null parent=9H8MR]
 + Psilopus saphirus Bigot, 1858 [SYNONYM SPECIES 301523:4PJGL nidx=null parent=9H8MR]
Psilosciara delphinii
 - Psilosciara delphinii Séguy, 1961 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFL nidx=null]
 + Psilosciara delphinii Séguy, 1961 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWH5 nidx=null]
Psilota tabidosa
 - †Psilota tabidosa Scudder, 1890 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YFM nidx=null]
 + Psilota tabidosa Scudder, 1890 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWH7 nidx=null]
Psychoda fimbriatissima
 - Psychoda fimbriatissima Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YJ2 nidx=null]
 + Psychoda fimbriatissima Blanchard, 1854 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWHH nidx=null]
Ptilomera (Proptilomera) himalayensis
 - Ptilomera (Proptilomera) himalayensis Hungerford & Matsuda, 1958 [ACCEPTED SPECIES 300004:7WPB2 nidx=null]
 + Ptilomera (Proptilomera) himalayensis Hungerford & Matsuda, 1958 [ACCEPTED SPECIES 301523:4Q87S nidx=null]
Ptilozeuxia termitoxena
 - Ptilozeuxia termitoxena Silvestri, 1903 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YN5 nidx=null]
 + Ptilozeuxia termitoxena Silvestri, 1903 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWJF nidx=null]
Radiolus
 - †Radiolus auct. [PROVISIONALLY_ACCEPTED GENUS 300004:CBPV2 nidx=null]
 + Radiolus [PROVISIONALLY_ACCEPTED GENUS 301523:76RQ nidx=null]
Raeta (Raetina)
 - Raeta (Raetina) Dall, 1898 [SYNONYM SUBGENUS 300004:CDFQC nidx=null parent=7PFJL]
 + Raeta (Raetina) Dall, 1898 [SYNONYM SUBGENUS 301523:CH4G7 nidx=null parent=7PFJL]
Recilia (Insulanus) hospes
 - Recilia (Insulanus) hospes (Linnavuori, 1960) non Kirkaldy, 1904 [SYNONYM SPECIES 300004:CGBXG nidx=null parent=8RLS5]
 + Recilia (Insulanus) hospes (Linnavuori, 1960) [SYNONYM SPECIES 301523:CHF3D nidx=null parent=8RLS5]
Reticulaphis mirabilis
 - Reticulaphis mirabilis [ACCEPTED SPECIES 300004:794BL nidx=null]
 + Reticulaphis mirabilis (Takahashi, 1937) [ACCEPTED SPECIES 301523:CHF8G nidx=null]
Rhabdotylus planiventris
 - Rhabdotylus planiventris (Wiedemann, 1828) [ACCEPTED SPECIES 300004:92WRF nidx=null]
 + Rhabdotylus planiventris (Wiedemann, 1828) [ACCEPTED SPECIES 301523:8DKZ3 nidx=null]
Rhaetofungivora perrecticulata
 - †Rhaetofungivora perrecticulata Rohdendorf, 1964 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YQR nidx=null]
 + Rhaetofungivora perrecticulata Rohdendorf, 1964 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWM2 nidx=null]
Rhagio bicolor
 - Rhagio bicolor Fabricius, 1794 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YQS nidx=null]
 + Rhagio bicolor Fabricius, 1794 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWM5 nidx=null]
Rhamphomyia (Rhamphomyia) janovensis
 - Rhamphomyia (Rhamphomyia) janovensis Barták, 1981 [ACCEPTED SPECIES 300004:8DLSC nidx=null]
 + Rhamphomyia (Rhamphomyia) janovensis Barták, 1981 [ACCEPTED SPECIES 301523:4S32T nidx=null]
Rhodophyta
 - Rhodophyta [ACCEPTED PHYLUM 300004:RH2 nidx=null]
 + Rhodophyta Wettstein, 1922 [ACCEPTED PHYLUM 301523:CHD4Z nidx=null]
Rhopalopsole okamoto
 - Rhopalopsole okamoto [SYNONYM SPECIES 300004:8N4RT nidx=null parent=4CYTD]
 + Rhopalopsole okamoto (Claassen, 1936) [SYNONYM SPECIES 301523:4SLJJ nidx=null parent=4CYTD]
Rhynchomyia bicolor
 - Rhynchomyia bicolor Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YVH nidx=null]
 + Rhynchomyia bicolor Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWSP nidx=null]
Rhyssota
 - Rhyssota auct. [SYNONYM GENUS 300004:CC32Z nidx=null parent=7PG3F]
 + Rhyssota [SYNONYM GENUS 301523:BGQB7 nidx=null parent=7PG3F]
Rhytiphora (Saperdopsis) marmorata
 - Rhytiphora (Saperdopsis) marmorata (Breuning, 1938) [SYNONYM SPECIES 300004:C5BRN nidx=null parent=4SX72]
 + Rhytiphora (Saperdopsis) marmorata (Breuning, 1938) [SYNONYM SPECIES 301523:BRKPN nidx=null parent=4SX72]
Rotularia (Tectorotularia)
 - Rotularia (Tectorotularia) [ACCEPTED SUBGENUS 300004:85KTK nidx=null]
 + Rotularia (Tectorotularia) Regenhardt, 1961 [ACCEPTED SUBGENUS 301523:CHFJG nidx=null]
Rubus affinis subsp. emergens
 - Rubus affinis subsp. emergens Boulay & Malbr. [AMBIGUOUS_SYNONYM SUBSPECIES 300004:9N9ZG nidx=null parent=9KRQK]
 + Rubus affinis subsp. emergens Boulay & Malbr. [AMBIGUOUS_SYNONYM SUBSPECIES 301523:CHFKS nidx=null parent=9KRQK]
 + Rubus affinis subsp. emergens (Boulay & Malbr.) Boulay [AMBIGUOUS_SYNONYM SUBSPECIES 301523:CHFKT nidx=null parent=9KRQK]
Sabacon viscayanus
 - Sabacon viscayanus Simon, 1881 [ACCEPTED SPECIES 300004:7YVCY nidx=null]
 + Sabacon viscayanus Simon, 1881 [ACCEPTED SPECIES 301523:CHKT9 nidx=null]
Salpidobolus strobilus
 - Salpidobolus strobilus Attems, 1917 [ACCEPTED SPECIES 300004:CGBYB nidx=null]
 + Salpidobolus strobilus Attems, 1917 [ACCEPTED SPECIES 301523:CHF3W nidx=null]
Sapromyza fuscipes
 - Sapromyza fuscipes Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3YW8 nidx=null]
 + Sapromyza fuscipes Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JWVH nidx=null]
Sarcophaga mezzadrii
 - Sarcophaga mezzadrii Séguy, 1951 [SYNONYM SPECIES 300004:8DRDD nidx=null parent=8DQCD]
 + Sarcophaga mezzadrii Séguy, 1951 [SYNONYM SPECIES 301523:79NF3 nidx=null parent=8DQCD]
Sargus rondeletti
 - Sargus rondeletti () non Valenciennes, 1830 [MISAPPLIED SPECIES 300004:CGCK3 nidx=null parent=6D9R6]
 + Sargus rondeletti () [MISAPPLIED SPECIES 301523:CHFJ7 nidx=null parent=6D9R6]
Scalaria (Punctiscala)
 - Scalaria (Punctiscala) de Boury, 1890 [SYNONYM SUBGENUS 300004:C4TM8 nidx=null parent=7PF8Q]
 + Scalaria (Punctiscala) de Boury, 1890 [SYNONYM SUBGENUS 301523:CGZH7 nidx=null parent=7PF8Q]
Scaphytopius (Cloanthanus) abbreviatus
 - Scaphytopius (Cloanthanus) abbreviatus (DeLong, 1916) [SYNONYM SPECIES 300004:CGD6D nidx=null parent=9KSJ3]
 + Scaphytopius (Cloanthanus) abbreviatus (DeLong, 1916) [SYNONYM SPECIES 301523:8RDVV nidx=null parent=9KSJ3]
Scaphytopius (Cloanthanus) acutus
 - Scaphytopius (Cloanthanus) acutus (Say, 1830) [SYNONYM SPECIES 300004:8RDVX nidx=null parent=9RK25]
 + Scaphytopius (Cloanthanus) acutus (Say, 1830) [SYNONYM SPECIES 301523:CHFV4 nidx=null parent=9RK25]
Scaphytopius (Cloanthanus) acutus tenuis
 - Scaphytopius (Cloanthanus) acutus tenuis (DeLong, 1945) [SYNONYM SUBSPECIES 300004:CBYCV nidx=null parent=9LK99]
 + Scaphytopius (Cloanthanus) acutus tenuis (DeLong, 1945) [SYNONYM SUBSPECIES 301523:BQFFV nidx=null parent=9LK99]
Scaphytopius (Cloanthanus) aequinoctialis
 - Scaphytopius (Cloanthanus) aequinoctialis (Van Duzee, 1933) [SYNONYM SPECIES 300004:8RDVY nidx=null parent=9KSJ6]
 + Scaphytopius (Cloanthanus) aequinoctialis (Van Duzee, 1933) [SYNONYM SPECIES 301523:CHFV5 nidx=null parent=9KSJ6]
Scaphytopius (Cloanthanus) amplinotus
 - Scaphytopius (Cloanthanus) amplinotus Hepner, 1946 [SYNONYM SPECIES 300004:8RDW6 nidx=null parent=9KSJM]
 + Scaphytopius (Cloanthanus) amplinotus Hepner, 1946 [SYNONYM SPECIES 301523:CHFV8 nidx=null parent=9KSJM]
Scaphytopius (Cloanthanus) barroensis
 - Scaphytopius (Cloanthanus) barroensis Linnavuori & DeLong, 1978 [SYNONYM SPECIES 300004:8RDWH nidx=null parent=9KSK5]
 + Scaphytopius (Cloanthanus) barroensis Linnavuori & DeLong, 1978 [SYNONYM SPECIES 301523:CHFVC nidx=null parent=9KSK5]
Scaphytopius (Cloanthanus) bifidellus
 - Scaphytopius (Cloanthanus) bifidellus DeLong & Linnavuori, 1978 [SYNONYM SPECIES 300004:8RDWJ nidx=null parent=9KSK6]
 + Scaphytopius (Cloanthanus) bifidellus DeLong & Linnavuori, 1978 [SYNONYM SPECIES 301523:CHFVD nidx=null parent=9KSK6]
Scaphytopius (Cloanthanus) brevis
 - Scaphytopius (Cloanthanus) brevis (Van Duzee, 1907) [SYNONYM SPECIES 300004:8RDWL nidx=null parent=9KSK9]
 + Scaphytopius (Cloanthanus) brevis (Van Duzee, 1907) [SYNONYM SPECIES 301523:CHFVF nidx=null parent=9KSK9]
Scaphytopius (Cloanthanus) calliandrus
 - Scaphytopius (Cloanthanus) calliandrus (Ball, 1931) [SYNONYM SPECIES 300004:C4GZR nidx=null parent=9KSKH]
 + Scaphytopius (Cloanthanus) calliandrus (Ball, 1931) [SYNONYM SPECIES 301523:8RDWN nidx=null parent=9KSKH]
Scaphytopius (Cloanthanus) campester
 - Scaphytopius (Cloanthanus) campester (DeLong, 1943) [SYNONYM SPECIES 300004:CGD6S nidx=null parent=9KSKJ]
 + Scaphytopius (Cloanthanus) campester (DeLong, 1943) [SYNONYM SPECIES 301523:8RDWP nidx=null parent=9KSKJ]
Scaphytopius (Cloanthanus) carasensis
 - Scaphytopius (Cloanthanus) carasensis Linnavuori & Heller, 1961 [SYNONYM SPECIES 300004:8RDWR nidx=null parent=9KSKL]
 + Scaphytopius (Cloanthanus) carasensis Linnavuori & Heller, 1961 [SYNONYM SPECIES 301523:CHFVJ nidx=null parent=9KSKL]
Scaphytopius (Cloanthanus) cinereus
 - Scaphytopius (Cloanthanus) cinereus (Osborn & Ball, 1897) [SYNONYM SPECIES 300004:8RDWV nidx=null parent=9KSKT]
 + Scaphytopius (Cloanthanus) cinereus (Osborn & Ball, 1897) [SYNONYM SPECIES 301523:CHFVM nidx=null parent=9KSKT]
Scaphytopius (Cloanthanus) dilatus
 - Scaphytopius (Cloanthanus) dilatus (DeLong, 1944) [SYNONYM SPECIES 300004:8RDX3 nidx=null parent=9KSL9]
 + Scaphytopius (Cloanthanus) dilatus (DeLong, 1944) [SYNONYM SPECIES 301523:CHFVQ nidx=null parent=9KSL9]
Scaphytopius (Cloanthanus) fuscicephalus
 - Scaphytopius (Cloanthanus) fuscicephalus Hepner, 1946 [SYNONYM SPECIES 300004:8RDXH nidx=null parent=9KSM2]
 + Scaphytopius (Cloanthanus) fuscicephalus Hepner, 1946 [SYNONYM SPECIES 301523:CHFVT nidx=null parent=9KSM2]
Scaphytopius (Cloanthanus) hambletoni
 - Scaphytopius (Cloanthanus) hambletoni (DeLong, 1944) [SYNONYM SPECIES 300004:CF3NV nidx=null parent=9KSM8]
 + Scaphytopius (Cloanthanus) hambletoni (DeLong, 1944) [SYNONYM SPECIES 301523:8RDXM nidx=null parent=9KSM8]
Scaphytopius (Cloanthanus) hebatus
 - Scaphytopius (Cloanthanus) hebatus (DeLong, 1943) [SYNONYM SPECIES 300004:8RDXN nidx=null parent=9KSM9]
 + Scaphytopius (Cloanthanus) hebatus (DeLong, 1943) [SYNONYM SPECIES 301523:CHFVX nidx=null parent=9KSM9]
Scaphytopius (Cloanthanus) iadmon
 - Scaphytopius (Cloanthanus) iadmon Linnavuori, 1973 [SYNONYM SPECIES 300004:CGD75 nidx=null parent=9KSMF]
 + Scaphytopius (Cloanthanus) iadmon Linnavuori, 1973 [SYNONYM SPECIES 301523:8RDXS nidx=null parent=9KSMF]
Scaphytopius (Cloanthanus) jandacephalus
 - Scaphytopius (Cloanthanus) jandacephalus Caldwell, 1952 [SYNONYM SPECIES 300004:8RDXX nidx=null parent=9KSMN]
 + Scaphytopius (Cloanthanus) jandacephalus Caldwell, 1952 [SYNONYM SPECIES 301523:CHFW4 nidx=null parent=9KSMN]
Scaphytopius (Cloanthanus) latens
 - Scaphytopius (Cloanthanus) latens (DeLong, 1943) [SYNONYM SPECIES 300004:8RDXZ nidx=null parent=9KSMS]
 + Scaphytopius (Cloanthanus) latens (DeLong, 1943) [SYNONYM SPECIES 301523:CHFW5 nidx=null parent=9KSMS]
Scaphytopius (Cloanthanus) limbatus
 - Scaphytopius (Cloanthanus) limbatus (Osborn, 1926) [SYNONYM SPECIES 300004:C4H2D nidx=null parent=9KSMW]
 + Scaphytopius (Cloanthanus) limbatus (Osborn, 1926) [SYNONYM SPECIES 301523:8RDY3 nidx=null parent=9KSMW]
Scaphytopius (Cloanthanus) meridianus
 - Scaphytopius (Cloanthanus) meridianus Hepner, 1946 [SYNONYM SPECIES 300004:CF3P3 nidx=null parent=9KSNF]
 + Scaphytopius (Cloanthanus) meridianus Hepner, 1946 [SYNONYM SPECIES 301523:8RDYB nidx=null parent=9KSNF]
Scaphytopius (Cloanthanus) nanus
 - Scaphytopius (Cloanthanus) nanus (Van Duzee, 1907) [SYNONYM SPECIES 300004:8RDYD nidx=null parent=9KSNJ]
 + Scaphytopius (Cloanthanus) nanus (Van Duzee, 1907) [SYNONYM SPECIES 301523:CHFW7 nidx=null parent=9KSNJ]
Scaphytopius (Cloanthanus) parallelus
 - Scaphytopius (Cloanthanus) parallelus (DeLong, 1943) [SYNONYM SPECIES 300004:8RDYS nidx=null parent=9KSP8]
 + Scaphytopius (Cloanthanus) parallelus (DeLong, 1943) [SYNONYM SPECIES 301523:CHFWD nidx=null parent=9KSP8]
Scaphytopius (Cloanthanus) piperatus
 - Scaphytopius (Cloanthanus) piperatus (DeLong, 1943) [SYNONYM SPECIES 300004:8RDYW nidx=null parent=9KSPG]
 + Scaphytopius (Cloanthanus) piperatus (DeLong, 1943) [SYNONYM SPECIES 301523:CHFWG nidx=null parent=9KSPG]
Scaphytopius (Cloanthanus) scriptus
 - Scaphytopius (Cloanthanus) scriptus (Ball, 1909) [SYNONYM SPECIES 300004:8RDZ5 nidx=null parent=9KSPQ]
 + Scaphytopius (Cloanthanus) scriptus (Ball, 1909) [SYNONYM SPECIES 301523:CHFWH nidx=null parent=9KSPQ]
Scaphytopius (Cloanthanus) serratus
 - Scaphytopius (Cloanthanus) serratus (DeLong, 1943) [SYNONYM SPECIES 300004:8RDZ7 nidx=null parent=9KSPS]
 + Scaphytopius (Cloanthanus) serratus (DeLong, 1943) [SYNONYM SPECIES 301523:CHFWJ nidx=null parent=9KSPS]
Scaphytopius (Cloanthanus) spadix
 - Scaphytopius (Cloanthanus) spadix (DeLong, 1943) [SYNONYM SPECIES 300004:CF3PD nidx=null parent=9KSPX]
 + Scaphytopius (Cloanthanus) spadix (DeLong, 1943) [SYNONYM SPECIES 301523:8RDZ8 nidx=null parent=9KSPX]
Scaphytopius (Cloanthanus) sulphureus
 - Scaphytopius (Cloanthanus) sulphureus (Osborn, 1923) [SYNONYM SPECIES 300004:8RDZD nidx=null parent=9KSQ2]
 + Scaphytopius (Cloanthanus) sulphureus (Osborn, 1923) [SYNONYM SPECIES 301523:CHFWK nidx=null parent=9KSQ2]
Scaphytopius (Cloanthanus) vermiculatus
 - Scaphytopius (Cloanthanus) vermiculatus (DeLong, 1943) [SYNONYM SPECIES 300004:C5YKN nidx=null parent=9KSQD]
 + Scaphytopius (Cloanthanus) vermiculatus (DeLong, 1943) [SYNONYM SPECIES 301523:8RDZN nidx=null parent=9KSQD]
Scaphytopius (Convelinus) desertanus
 - Scaphytopius (Convelinus) desertanus (Ball, 1931) [SYNONYM SPECIES 300004:CGD6X nidx=null parent=9KSL6]
 + Scaphytopius (Convelinus) desertanus (Ball, 1931) [SYNONYM SPECIES 301523:CHFVP nidx=null parent=9KSL6]
Scaphytopius (Convelinus) pennatus
 - Scaphytopius (Convelinus) pennatus Hepner, 1946 [SYNONYM SPECIES 300004:CGD7L nidx=null parent=9KSPB]
 + Scaphytopius (Convelinus) pennatus Hepner, 1946 [SYNONYM SPECIES 301523:CHFWF nidx=null parent=9KSPB]
Schizoneuraphis siamensis
 - Schizoneuraphis siamensis [ACCEPTED SPECIES 300004:4VBKH nidx=null]
 + Schizoneuraphis siamensis (Takahashi, 1941) [ACCEPTED SPECIES 301523:CHG4V nidx=null]
Scopolia lateralis
 - Scopolia lateralis Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Z6M nidx=null]
 + Scopolia lateralis Macquart, 1844 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JX98 nidx=null]
Scytaleum italicum
 - Scytaleum italicum Meyl, 1954 [ACCEPTED SPECIES 300004:8GJJ2 nidx=null]
 + Scytaleum italicum (Meyl, 1954) Andrássy, 1961 [SYNONYM SPECIES 301523:CHFR8 nidx=null parent=CH3BD]
Sepia capensis
 - Sepia capensis A. d'Orbigny, 1845 [SYNONYM SPECIES 300004:CC3H9 nidx=null parent=BJ42H]
 + Sepia capensis A. d'Orbigny, 1835 [SYNONYM SPECIES 301523:CHG5D nidx=null parent=BJ42H]
Sepia elongata
 - Sepia elongata A. d'Orbigny, 1839–1842 [ACCEPTED SPECIES 300004:CC3GZ nidx=null]
 + Sepia elongata A. d'Orbigny, 1842 [ACCEPTED SPECIES 301523:CHG58 nidx=null]
Sepia rouxii
 - Sepia rouxii A. d'Orbigny, 1839-1842 [SYNONYM SPECIES 300004:C8C4D nidx=null parent=BJ2FD]
 + Sepia rouxii A. d'Orbigny, 1842 [SYNONYM SPECIES 301523:4WQLB nidx=null parent=BJ2FD]
Sepiola japonica
 - Sepiola japonica Tilesius, 1845 [SYNONYM SPECIES 300004:C8C59 nidx=null parent=C7M3Z]
 + Sepiola japonica A. d'Orbigny, 1845 [SYNONYM SPECIES 301523:CHG5G nidx=null parent=CH6L6]
Sepioteuthis lessoniana
 - Sepioteuthis lessoniana A. d'Orbigny, 1826 [ACCEPTED SPECIES 300004:6YFXW nidx=null]
 + Sepioteuthis lessoniana Lesson, 1831 [ACCEPTED SPECIES 301523:CHG5H nidx=null]
Serpula funiculis
 - Serpula funiculis Wolleman, 1902 [SYNONYM SPECIES 300004:4WWJQ nidx=null parent=74K4G]
 + Serpula funiculis Wollemann, 1899 [SYNONYM SPECIES 301523:CHG8R nidx=null parent=CH85M]
Sesarma sediliensis
 - Sesarma sediliensis Tweedie, 1940 [SYNONYM SPECIES 300004:84GBB nidx=null parent=84GQH]
 + Sesarma sediliensis Tweedie, 1940 [SYNONYM SPECIES 301523:4WZ27 nidx=null parent=84GQH]
Setulia algira
 - Setulia algira Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3Z7J nidx=null]
 + Setulia algira Robineau-Desvoidy, 1863 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JX9S nidx=null]
Simulium (Notolepria) rangeli
 - Simulium (Notolepria) rangeli Ramírez-Pérez, Rassi & Ramírez, 1977 [ACCEPTED SPECIES 300004:8DY97 nidx=null]
 + Simulium (Notolepria) rangeli Ramírez-Pérez, Rassi & Ramírez, 1977 [ACCEPTED SPECIES 301523:CHGQV nidx=null]
Simulium (Simulium) ibariense
 - Simulium (Simulium) ibariense Zivković & Grenier, 1959 [ACCEPTED SPECIES 300004:8DYQQ nidx=null]
 + Simulium (Simulium) ibariense Zivković & Grenier, 1959 [ACCEPTED SPECIES 301523:4XH2R nidx=null]
Simulium sanchezi
 - Simulium sanchezi Ramírez-Pérez, Yarzábal & Peterson, 1982 [SYNONYM SPECIES 300004:8F2HG nidx=null parent=8DYF8]
 + Simulium sanchezi Ramírez-Pérez, Yarzábal & Peterson, 1982 [SYNONYM SPECIES 301523:4XHTB nidx=null parent=8DYF8]
Sinonipponaphis formosana
 - Sinonipponaphis formosana [ACCEPTED SPECIES 300004:4XLBW nidx=null]
 + Sinonipponaphis formosana (Takahashi, 1927) [ACCEPTED SPECIES 301523:CHFYJ nidx=null]
Siphogenerina raphanus var. costulata
 - Siphogenerina raphanus var. costulata Cushman, 1917 [ACCEPTED VARIETY 300004:843NH nidx=null]
 + Siphogenerina raphanus var. costulata Cushman, 1917 [ACCEPTED VARIETY 301523:5RJBM nidx=null]
Siphonella antorides
 - Siphonella antorides Séguy, 1950 [SYNONYM SPECIES 300004:8F2X5 nidx=null parent=C2VL9]
 + Siphonella antorides Séguy, 1950 [SYNONYM SPECIES 301523:4XPJB nidx=null parent=C2VL9]
Skrjabinodon mabuyae
 - Skrjabinodon mabuyae Sandground, 1936 [ACCEPTED SPECIES 300004:9C97Q nidx=null]
 + Skrjabinodon mabuyae (Sandground, 1936) Inglis, 1968 [ACCEPTED SPECIES 301523:CHG5F nidx=null]
Sminthurus repandus
 - Sminthurus repandus Ågren, 1903 [AMBIGUOUS_SYNONYM SPECIES 300004:CGDMT nidx=null parent=355HW]
 + Sminthurus repandus Ågren, 1903 [AMBIGUOUS_SYNONYM SPECIES 301523:CHG6P nidx=null parent=355HW]
 + Sminthurus repandus Ågren, 1902 [AMBIGUOUS_SYNONYM SPECIES 301523:CHG6Q nidx=null parent=3LDSP]
Sphaerophoria (Sphaerophoria) nigritarsi
 - Sphaerophoria (Sphaerophoria) nigritarsi Fluke, 1930 [ACCEPTED SPECIES 300004:CF5M2 nidx=null]
 + Sphaerophoria (Sphaerophoria) nigritarsi Fluke, 1930 [ACCEPTED SPECIES 301523:CHGTK nidx=null]
Sphaerophoria turkmenica
 - Sphaerophoria turkmenica Bańkowska, 1964 [SYNONYM SPECIES 300004:8F3VN nidx=null parent=8F3RR]
 + Sphaerophoria turkmenica Bańkowska, 1964 [SYNONYM SPECIES 301523:4YRCC nidx=null parent=8F3RR]
Sphenia cleryana
 - Sphenia cleryana A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:4YV72 nidx=null parent=R5JH]
 + Sphenia cleryana A. d'Orbigny, 1846 [SYNONYM SPECIES 301523:CHGY2 nidx=null parent=CGT57]
Sphingolabis albipennis
 - Sphingolabis albipennis [SYNONYM SPECIES 300004:BX2QF nidx=null parent=8MWTL]
 + Sphingolabis albipennis (von Muhlfeld, 1825) [SYNONYM SPECIES 301523:CHH48 nidx=null parent=682DK]
Sphyrotarsus hervibazini
 - Sphyrotarsus hervibazini (Parent, 1914) [SYNONYM SPECIES 300004:92X3Z nidx=null parent=9HRYG]
 + Sphyrotarsus hervibazini (Parent, 1914) [SYNONYM SPECIES 301523:8F4C5 nidx=null parent=9HRYG]
Spirobolus arboreus var. krugii
 - Spirobolus arboreus var. krugii Karsch, 1881 [SYNONYM VARIETY 300004:CGGND nidx=null parent=BMZFS]
 + Spirobolus arboreus var. krugii Karsch, 1881 [SYNONYM VARIETY 301523:CHH9X nidx=null parent=BMZFS]
Spisula isabelleana
 - Spisula isabelleana (A. d'Orbigny, 1846) [SYNONYM SPECIES 300004:4Z96P nidx=null parent=3XDDF]
 + Spisula isabelleana (A. d'Orbigny, 1841) [ACCEPTED SPECIES 301523:CHFY7 nidx=null]
Spisula petitii
 - Spisula petitii (A. d'Orbigny, 1846) [SYNONYM SPECIES 300004:4Z96W nidx=null parent=3XDFT]
 + Spisula petitii (A. d'Orbigny, 1841) [ACCEPTED SPECIES 301523:CHFY8 nidx=null]
Spongia (Heterofibria) cristata
 - Spongia (Heterofibria) cristata Cook & Bergquist, 2001 [SYNONYM SPECIES 300004:C3FJ8 nidx=null parent=86X9J]
 + Spongia (Heterofibria) cristata Cook & Bergquist, 2001 [SYNONYM SPECIES 301523:CHFYS nidx=null parent=86X9J]
Spongia (Spongia) irregularis
 - Spongia (Spongia) irregularis (Lendenfeld, 1889) [SYNONYM SPECIES 300004:C8GBK nidx=null parent=6ZBMQ]
 + Spongia (Spongia) irregularis (Lendenfeld, 1889) [SYNONYM SPECIES 301523:CHFYT nidx=null parent=6ZBMQ]
Staffella subgen. Eostaffella
 - Staffella subgen. Eostaffella Rauzer-Chernousova, 1948 [SYNONYM SUBGENUS 300004:C75YD nidx=null parent=7ZV3Q]
 + Staffella subgen. Eostaffella Rauzer-Chernousova, 1948 [SYNONYM SUBGENUS 301523:CH2ZS nidx=null parent=7ZV3Q]
Stangeria
 - Stangeria [ACCEPTED GENUS 300004:CF487 nidx=null]
 + Stangeria T.Moore [ACCEPTED GENUS 301523:CHG53 nidx=null]
Stenobothrus (Omocestus)
 - Stenobothrus (Omocestus) Bolívar, 1878 [SYNONYM SUBGENUS 300004:CFWHH nidx=null parent=8NW9D]
 + Stenobothrus (Omocestus) Bolívar, 1878 [SYNONYM SUBGENUS 301523:CH3PP nidx=null parent=8NW9D]
Stictocoris preyssleri
 - Stictocoris preyssleri (Herrich-Schäffer, 1838) [SYNONYM SPECIES 300004:CGG6T nidx=null parent=8RMYM]
 + Stictocoris preyssleri (Herrich-Schäffer, 1838) [SYNONYM SPECIES 301523:CHGW8 nidx=null parent=8RMYM]
Stigmatophora (Stigmatophora) albosericea
 - Stigmatophora (Stigmatophora) albosericea Moore, 1877 [SYNONYM SPECIES 300004:BRDTN nidx=null parent=BFXBK]
 + Stigmatophora (Stigmatophora) albosericea Moore, 1877 [SYNONYM SPECIES 301523:98G2T nidx=null parent=BFXBK]
Stigmatophora (Stigmatophora) ochracea
 - Stigmatophora (Stigmatophora) ochracea Lederer, 1855 [SYNONYM SPECIES 300004:BRDTP nidx=null parent=BFXBC]
 + Stigmatophora (Stigmatophora) ochracea Lederer, 1855 [SYNONYM SPECIES 301523:98G2X nidx=null parent=BFXBC]
Stigmatophora (Stigmatophora) sinensis
 - Stigmatophora (Stigmatophora) sinensis Walker, 1854 [SYNONYM SPECIES 300004:BRDTQ nidx=null parent=BFXBC]
 + Stigmatophora (Stigmatophora) sinensis Walker, 1854 [SYNONYM SPECIES 301523:98G2Y nidx=null parent=BFXBC]
Strophomena
 - †Strophomena Blainville, 1824 [ACCEPTED GENUS 300004:BTPQG nidx=null]
 + Strophomena Rafinesque in de Blainville, 1824 [ACCEPTED GENUS 301523:CHGLH nidx=null]
Stylatula
 - Stylatula Verrill, 1864 [ACCEPTED GENUS 300004:84TXM nidx=null]
 + Stylatula Verrill, 1864 [ACCEPTED GENUS 301523:CHGNJ nidx=null]
Suzukia (Pheosiopsis) luscinicola
 - Suzukia (Pheosiopsis) luscinicola Nakamura, 1973 [SYNONYM SPECIES 300004:BRDV8 nidx=null parent=946X6]
 + Suzukia (Pheosiopsis) luscinicola Nakamura, 1973 [SYNONYM SPECIES 301523:98GBT nidx=null parent=946X6]
Syrphus flavocinctus
 - Syrphus flavocinctus Fallén, 1810 [SYNONYM SPECIES 300004:8F7ZK nidx=null parent=C2TMK]
 + Syrphus flavocinctus Fallén, 1810 [SYNONYM SPECIES 301523:543JR nidx=null parent=C2TMK]
Tabanus (Tabanus) imitans
 - Tabanus (Tabanus) imitans Walker, 1848 [ACCEPTED SPECIES 300004:8F8YW nidx=null]
 + Tabanus (Tabanus) imitans Walker, 1848 [ACCEPTED SPECIES 301523:CHHFL nidx=null]
Tabanus (Tabanus) laticinctus
 - Tabanus (Tabanus) laticinctus Schuurmans Stekhoven, 1926 [ACCEPTED SPECIES 300004:92X7Y nidx=null]
 + Tabanus (Tabanus) laticinctus Schuurmans Stekhoven, 1926 [ACCEPTED SPECIES 301523:8F923 nidx=null]
Tabanus (Therioplectes) albovittatus
 - Tabanus (Therioplectes) albovittatus Kröber, 1930 [SYNONYM SPECIES 300004:8F9DF nidx=null parent=C2RRL]
 + Tabanus (Therioplectes) albovittatus Kröber, 1930 [SYNONYM SPECIES 301523:547C7 nidx=null parent=C2RRL]
Tabanus bellardii
 - Tabanus bellardii Szilády, 1926 [SYNONYM SPECIES 300004:8F9H4 nidx=null parent=8F8YG]
 + Tabanus bellardii Szilády, 1926 [SYNONYM SPECIES 301523:547J7 nidx=null parent=8F8YG]
Tabanus fenestralis
 - Tabanus fenestralis Szilády, 1926 [SYNONYM SPECIES 300004:8F9NW nidx=null parent=8F8QH]
 + Tabanus fenestralis Szilády, 1926 [SYNONYM SPECIES 301523:547WQ nidx=null parent=8F8QH]
Tachydromyia sericea
 - Tachydromyia sericea Macquart, 1823 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZLH nidx=null]
 + Tachydromyia sericea Macquart, 1823 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JXY3 nidx=null]
Taenia cucurbitina
 - Taenia cucurbitina Pallas, 1756 [SYNONYM SPECIES 300004:8NBQC nidx=null parent=8N695]
 + Taenia cucurbitina Pallas, 1766 [SYNONYM SPECIES 301523:CHHP7 nidx=null parent=8N695]
Tanyderites admirandus
 - †Tanyderites admirandus Kalugina, 1985 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZMD nidx=null]
 + Tanyderites admirandus Kalugina, 1985 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JXZ6 nidx=null]
Tanytarsus longipes
 - Tanytarsus longipes Akhrorov, 1967 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZMV nidx=null]
 + Tanytarsus longipes Akhrorov, 1967 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JY44 nidx=null]
Tarsolepis (Tarsolepis) remicauda
 - Tarsolepis (Tarsolepis) remicauda Butler, 1872 [ACCEPTED SPECIES 300004:93QLT nidx=null]
 + Tarsolepis (Tarsolepis) remicauda Butler, 1872 [ACCEPTED SPECIES 301523:CHGSJ nidx=null]
Tendipes allothrix
 - Tendipes allothrix Kieffer, 1912 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZN8 nidx=null]
 + Tendipes allothrix Kieffer, 1912 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JY5G nidx=null]
Tendipes armatifrons
 - Tendipes armatifrons Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZN9 nidx=null]
 + Tendipes armatifrons Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JY5L nidx=null]
Tendipes atrifurea
 - Tendipes atrifurea Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZNB nidx=null]
 + Tendipes atrifurea Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JY5Q nidx=null]
Tendipes brunetttii
 - Tendipes brunetttii Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZNC nidx=null]
 + Tendipes brunetttii Kieffer, 1913 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JY5V nidx=null]
Tendipes inermifrons
 - Tendipes inermifrons Kieffer, 1916 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZNH nidx=null]
 + Tendipes inermifrons Kieffer, 1916 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JY7D nidx=null]
Tendipes sessilis
 - Tendipes sessilis Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZNJ nidx=null]
 + Tendipes sessilis Kieffer, 1911 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JY7Z nidx=null]
Tephritis macula
 - Tephritis macula Fabricius, 1805 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZNM nidx=null]
 + Tephritis macula Fabricius, 1805 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JY8S nidx=null]
Tetracotyle baughi
 - Tetracotyle baughi Pandey, 1973 [ACCEPTED SPECIES 300004:B2QYR nidx=null]
 + Tetracotyle baughi Pandey, 1975 [ACCEPTED SPECIES 301523:CHHDQ nidx=null]
Tetracotyle singhi
 - Tetracotyle singhi Pandey, 1973 [ACCEPTED SPECIES 300004:B2R5F nidx=null]
 + Tetracotyle singhi Pandey, 1975 [ACCEPTED SPECIES 301523:CHHDW nidx=null]
Tetracotyle tandoni
 - Tetracotyle tandoni Pandey, 1973 [ACCEPTED SPECIES 300004:B2R7W nidx=null]
 + Tetracotyle tandoni Pandey, 1975 [ACCEPTED SPECIES 301523:CHHDX nidx=null]
Tettigonia dufourii
 - Tettigonia dufourii Signoret, 1855 [SYNONYM SPECIES 300004:CCBYP nidx=null parent=4P38S]
 + Tettigonia dufourii Signoret, 1855 [SYNONYM SPECIES 301523:CHHPG nidx=null parent=4P38S]
Tettigonia fitchii
 - Tettigonia fitchii Signoret, 1855 [SYNONYM SPECIES 300004:CGH5G nidx=null parent=74KL4]
 + Tettigonia fitchii Signoret, 1855 [SYNONYM SPECIES 301523:CHHPH nidx=null parent=74KL4]
Tettigonia perrisii
 - Tettigonia perrisii Signoret, 1855 [SYNONYM SPECIES 300004:CGH5Q nidx=null parent=8TRD4]
 + Tettigonia perrisii Signoret, 1855 [SYNONYM SPECIES 301523:CHHPN nidx=null parent=8TRD4]
Teutonophon striatus
 - †Teutonophon striatus (A. Férussac & d'Orbigny, 1842) [ACCEPTED SPECIES 300004:55Y54 nidx=null]
 + Teutonophon striatus (A. d'Orbigny, 1826) [ACCEPTED SPECIES 301523:CHHRM nidx=null]
Thamnotettix colonus
 - Thamnotettix colonus (Uhler, 1895) [SYNONYM SPECIES 300004:CF7NW nidx=null parent=7DJVP]
 + Thamnotettix colonus (Uhler, 1895) [SYNONYM SPECIES 301523:CHHXV nidx=null parent=7DJVP]
Thamnotettix corniculus
 - Thamnotettix corniculus (Marshall, 1866) [SYNONYM SPECIES 300004:CGHJM nidx=null parent=8JX8H]
 + Thamnotettix corniculus (Marshall, 1866) [SYNONYM SPECIES 301523:CHHXY nidx=null parent=8JX8H]
Theloderma kwangsiensis
 - Theloderma kwangsiensis (Liu & Hu, 1962) [SYNONYM SPECIES 300004:CGHQN nidx=null parent=568HJ]
 + Theloderma kwangsiensis (Liu & Hu, 1962) [SYNONYM SPECIES 301523:CHJ3T nidx=null parent=568HJ]
Thereva nigella
 - Thereva nigella Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZPY nidx=null]
 + Thereva nigella Wiedemann, 1828 [PROVISIONALLY_ACCEPTED SPECIES 301523:9V8H7 nidx=null]
Therioaphis (Therioaphis) trifolii
 - Therioaphis (Therioaphis) trifolii (Monell, 1882) [SYNONYM SPECIES 300004:8QZKM nidx=null parent=5F7WT]
 + Therioaphis (Therioaphis) trifolii (Monell, 1882) [SYNONYM SPECIES 301523:CHJ7V nidx=null parent=5F7WT]
Thermocyclops schmeili marmagoensis
 - Thermocyclops schmeili marmagoensis Sewell, 1964 [ACCEPTED SUBSPECIES 300004:5F7XT nidx=null]
 + Thermocyclops schmeili marmagoensis Sewell, 1960 [ACCEPTED SUBSPECIES 301523:CHJ8C nidx=null]
Thoracaphis crematogastri
 - Thoracaphis crematogastri [SYNONYM SPECIES 300004:C8JC4 nidx=null parent=34WPT]
 + Thoracaphis crematogastri Takahashi, 1941 [SYNONYM SPECIES 301523:CHJGM nidx=null parent=CGZ4D]
Thoracaphis formosana
 - Thoracaphis formosana [SYNONYM SPECIES 300004:8QZXQ nidx=null parent=4XLBW]
 + Thoracaphis formosana (Takahashi, 1927) [SYNONYM SPECIES 301523:CHJGP nidx=null parent=CHFYJ]
Thoracaphis mirabilis
 - Thoracaphis mirabilis [SYNONYM SPECIES 300004:8R2X7 nidx=null parent=794BL]
 + Thoracaphis mirabilis Takahashi, 1937 [SYNONYM SPECIES 301523:CHJGQ nidx=null parent=CHF8G]
Thoracaphis siamensis
 - Thoracaphis siamensis [SYNONYM SPECIES 300004:8QVRW nidx=null parent=4VBKH]
 + Thoracaphis siamensis Takahashi, 1941 [SYNONYM SPECIES 301523:CHJGR nidx=null parent=CHG4V]
Thoracaphis sutepensis
 - Thoracaphis sutepensis [SYNONYM SPECIES 300004:8QWTB nidx=null parent=6S9FT]
 + Thoracaphis sutepensis Takahashi, 1941 [SYNONYM SPECIES 301523:CHJGS nidx=null parent=CH92Y]
Tinocallis ulmi-parvifoliae
 - Tinocallis ulmi-parvifoliae [AMBIGUOUS_SYNONYM SPECIES 300004:CGH83 nidx=null parent=573DS]
 + Tinocallis ulmi-parvifoliae [AMBIGUOUS_SYNONYM SPECIES 301523:CHHR8 nidx=null parent=BWYT9]
 + Tinocallis ulmi-parvifoliae [AMBIGUOUS_SYNONYM SPECIES 301523:CHHR9 nidx=null parent=573DS]
Tipula florilega
 - Tipula florilega Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZTK nidx=null]
 + Tipula florilega Linnaeus, 1758 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JYDH nidx=null]
Tipula vibratrix
 - Tipula vibratrix Linnaeus, 1761 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZVP nidx=null]
 + Tipula vibratrix Linnaeus, 1761 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JYHF nidx=null]
Tonites
 - Tonites auct. [SYNONYM GENUS 300004:CC8JT nidx=null parent=7PLG3]
 + Tonites [SYNONYM GENUS 301523:BGSPN nidx=null parent=7PLG3]
Torinia dorsuosa
 - Torinia dorsuosa auct. [SYNONYM SPECIES 300004:CC8M8 nidx=null parent=8V86F]
 + Torinia dorsuosa [SYNONYM SPECIES 301523:BHLLR nidx=null parent=8V86F]
Tortrix olivana
 - Tortrix olivana [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 300004:BRDXS nidx=null parent=92ZFM]
 + Tortrix olivana [Denis & Schiffermüller], 1775 [SYNONYM SPECIES 301523:98LQM nidx=null parent=92ZFM]
Trachycardium (Trachycardium)
 - Trachycardium (Trachycardium) [SYNONYM SUBGENUS 300004:BSC54 nidx=null parent=7PJQR]
 + Trachycardium (Trachycardium) Mörch, 1853 [SYNONYM SUBGENUS 301523:CGT6H nidx=null parent=7PJQR]
Trichocera brevis
 - Trichocera brevis Krzemińska, 2002 [SYNONYM SPECIES 300004:8FH6Z nidx=null parent=8FH5V]
 + Trichocera brevis Krzemińska, 2002 [SYNONYM SPECIES 301523:7CPZF nidx=null parent=8FH5V]
Trichocladius atriforceps
 - Trichocladius atriforceps Kieffer, 1924 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZXZ nidx=null]
 + Trichocladius atriforceps Kieffer, 1924 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JYJG nidx=null]
Trichocladius sahorensis
 - Trichocladius sahorensis Kieffer, 1926 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZY3 nidx=null]
 + Trichocladius sahorensis Kieffer, 1926 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JYQG nidx=null]
Trichocladius terricola
 - Trichocladius terricola Kieffer, 1919 [PROVISIONALLY_ACCEPTED SPECIES 300004:B3ZY4 nidx=null]
 + Trichocladius terricola Kieffer, 1919 [PROVISIONALLY_ACCEPTED SPECIES 301523:9JYQX nidx=null]
Trichodagmia spadicidorsum
 - Trichodagmia spadicidorsum Enderlein, 1934 [SYNONYM SPECIES 300004:8FHG9 nidx=null parent=8DZ3K]
 + Trichodagmia spadicidorsum Enderlein, 1934 [SYNONYM SPECIES 301523:58BB9 nidx=null parent=8DZ3K]
Trichophthalma (Lichtwardtiomyia) longirostris
 - Trichophthalma (Lichtwardtiomyia) longirostris Mackerras, 1925 [ACCEPTED SPECIES 300004:CGKBB nidx=null]
 + Trichophthalma (Lichtwardtiomyia) longirostris Mackerras, 1925 [ACCEPTED SPECIES 301523:CHK68 nidx=null]
Trichopoda (Galactomyia) flavicornis
 - Trichopoda (Galactomyia) flavicornis Robineau-Desvoidy, 1830 [ACCEPTED SPECIES 300004:BZFS9 nidx=null]
 + Trichopoda (Galactomyia) flavicornis Robineau-Desvoidy, 1830 [ACCEPTED SPECIES 301523:CHHFZ nidx=null]
Triplofusus papillosus
 - Triplofusus papillosus auct. [SYNONYM SPECIES 300004:CCCYN nidx=null parent=58YMM]
 + Triplofusus papillosus [SYNONYM SPECIES 301523:58YMN nidx=null parent=58YMM]
Triton antillarum
 - Triton antillarum A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:594QZ nidx=null parent=3HN5P]
 + Triton antillarum A. d'Orbigny, 1847 [SYNONYM SPECIES 301523:CHJ5T nidx=null parent=3HN5P]
Trochita calyptraeaformis
 - Trochita calyptraeaformis auct. [SYNONYM SPECIES 300004:CCDP3 nidx=null parent=59779]
 + Trochita calyptraeaformis [SYNONYM SPECIES 301523:5976T nidx=null parent=59779]
Trophonopsis carinatus hirtus
 - Trophonopsis carinatus hirtus Settepassi, 1977 [SYNONYM SUBSPECIES 300004:CGJCC nidx=null parent=4BZK5]
 + Trophonopsis carinatus hirtus Settepassi, 1977 [SYNONYM SUBSPECIES 301523:CHJDW nidx=null parent=4BZK5]
Tubulanus
 - Tubulanus Renier, 1804 [ACCEPTED GENUS 300004:84VHV nidx=null]
 + Tubulanus [Renier], [1804] [PROVISIONALLY_ACCEPTED GENUS 301523:CHJNM nidx=null]
Turritella undulata
 - Turritella undulata Zieten, 1830 [SYNONYM SPECIES 300004:9ZQ2X nidx=null parent=9ZPFS]
 + Turritella undulata Zieten, 1832 [SYNONYM SPECIES 301523:7TJ4H nidx=null parent=7SV3D]
Tylodelphys glossoides
 - Tylodelphys glossoides (Dubois, 1928) Sudarikov, 19960 [ACCEPTED SPECIES 300004:B7MB2 nidx=null]
 + Tylodelphys glossoides (Dubois, 1928) Sudarikov, 1960 [ACCEPTED SPECIES 301523:CHJYG nidx=null]
Typhis (Typhis)
 - Typhis (Typhis) Montfort, 1810 [SYNONYM SUBGENUS 300004:CG4CP nidx=null parent=7PKF6]
 + Typhis (Typhis) Montfort, 1810 [SYNONYM SUBGENUS 301523:CH7YL nidx=null parent=7PKF6]
Typhlocyba pura
 - Typhlocyba pura Stål, 1858 [SYNONYM SPECIES 300004:8JHF4 nidx=null parent=3RGVQ]
 + Typhlocyba pura Stål, 1858 [SYNONYM SPECIES 301523:59W3W nidx=null parent=3RGVQ]
Uca (Leptuca) cumulanta
 - Uca (Leptuca) cumulanta Crane, 1943 [SYNONYM SPECIES 300004:CGKBZ nidx=null parent=3TZF6]
 + Uca (Leptuca) cumulanta Crane, 1943 [SYNONYM SPECIES 301523:CHK6T nidx=null parent=3TZF6]
Unio (Elliptio) arctatus
 - Unio (Elliptio) arctatus Conrad, 1834 [SYNONYM SPECIES 300004:CGKCM nidx=null parent=39BHV]
 + Unio (Elliptio) arctatus Conrad, 1834 [SYNONYM SPECIES 301523:CHK79 nidx=null parent=39BHV]
Unio (Elliptio) buckleyi
 - Unio (Elliptio) buckleyi I. Lea, 1843 [SYNONYM SPECIES 300004:CGKCQ nidx=null parent=39BKC]
 + Unio (Elliptio) buckleyi I. Lea, 1843 [SYNONYM SPECIES 301523:CHK7B nidx=null parent=39BKC]
Unio (Elliptio) burkensis
 - Unio (Elliptio) burkensis I. Lea, 1859 [SYNONYM SPECIES 300004:CGKCR nidx=null parent=39BJ9]
 + Unio (Elliptio) burkensis I. Lea, 1859 [SYNONYM SPECIES 301523:CHK7C nidx=null parent=39BJ9]
Unio (Elliptio) burtchianus
 - Unio (Elliptio) burtchianus S. H. Wright, 1897 [SYNONYM SPECIES 300004:C8L43 nidx=null parent=39BL5]
 + Unio (Elliptio) burtchianus S. H. Wright, 1897 [SYNONYM SPECIES 301523:CHK7D nidx=null parent=39BL5]
Unio (Elliptio) chipolaensis
 - Unio (Elliptio) chipolaensis B. Walker, 1905 [SYNONYM SPECIES 300004:CGKCT nidx=null parent=39BJ5]
 + Unio (Elliptio) chipolaensis B. Walker, 1905 [SYNONYM SPECIES 301523:CHK7G nidx=null parent=39BJ5]
Unio (Elliptio) coruscus
 - Unio (Elliptio) coruscus A. Gould, 1856 [SYNONYM SPECIES 300004:CGKCY nidx=null parent=39BKC]
 + Unio (Elliptio) coruscus A. Gould, 1856 [SYNONYM SPECIES 301523:CHK7H nidx=null parent=39BKC]
Unio (Elliptio) cunninghami
 - Unio (Elliptio) cunninghami B. H. Wright, 1883 [SYNONYM SPECIES 300004:CGKCZ nidx=null parent=39BKC]
 + Unio (Elliptio) cunninghami B. H. Wright, 1883 [SYNONYM SPECIES 301523:CHK7J nidx=null parent=39BKC]
Unio (Elliptio) gibbosus
 - Unio (Elliptio) gibbosus Barnes, 1823 [SYNONYM SPECIES 300004:CGKDG nidx=null parent=3D5B9]
 + Unio (Elliptio) gibbosus Barnes, 1823 [SYNONYM SPECIES 301523:CHK7R nidx=null parent=3D5B9]
Unio (Elliptio) hopetonensis
 - Unio (Elliptio) hopetonensis I. Lea, 1838 [SYNONYM SPECIES 300004:CGKDK nidx=null parent=39BK8]
 + Unio (Elliptio) hopetonensis I. Lea, 1838 [SYNONYM SPECIES 301523:CHK7S nidx=null parent=39BK8]
Unio (Elliptio) icterinus
 - Unio (Elliptio) icterinus Conrad, 1834 [SYNONYM SPECIES 300004:CFB4S nidx=null parent=39BK9]
 + Unio (Elliptio) icterinus Conrad, 1834 [SYNONYM SPECIES 301523:CHK7T nidx=null parent=39BK9]
Unio (Elliptio) incrassatus
 - Unio (Elliptio) incrassatus I. Lea, 1840 [SYNONYM SPECIES 300004:C8L59 nidx=null parent=6F4MX]
 + Unio (Elliptio) incrassatus I. Lea, 1840 [SYNONYM SPECIES 301523:CHK7V nidx=null parent=6F4MX]
Unio (Elliptio) lehmanii
 - Unio (Elliptio) lehmanii S. H. Wright, 1897 [SYNONYM SPECIES 300004:CGKDM nidx=null parent=39BL5]
 + Unio (Elliptio) lehmanii S. H. Wright, 1897 [SYNONYM SPECIES 301523:CHK7Z nidx=null parent=39BL5]
Unio (Elliptio) livingstonensis
 - Unio (Elliptio) livingstonensis I. Lea, 1863 [SYNONYM SPECIES 300004:C8L5H nidx=null parent=39BK9]
 + Unio (Elliptio) livingstonensis I. Lea, 1863 [SYNONYM SPECIES 301523:CHK82 nidx=null parent=39BK9]
Unio (Elliptio) naviculoides
 - Unio (Elliptio) naviculoides I. Lea, 1857 [SYNONYM SPECIES 300004:CGKDR nidx=null parent=6F4N8]
 + Unio (Elliptio) naviculoides I. Lea, 1857 [SYNONYM SPECIES 301523:CHK86 nidx=null parent=6F4N8]
Unio (Elliptio) occultus
 - Unio (Elliptio) occultus I. Lea, 1843 [SYNONYM SPECIES 300004:C8L5T nidx=null parent=39BL5]
 + Unio (Elliptio) occultus I. Lea, 1843 [SYNONYM SPECIES 301523:CHK88 nidx=null parent=39BL5]
Unio (Elliptio) oscari
 - Unio (Elliptio) oscari B. H. Wright, 1892 [SYNONYM SPECIES 300004:CGKDV nidx=null parent=39BKC]
 + Unio (Elliptio) oscari B. H. Wright, 1892 [SYNONYM SPECIES 301523:CHK89 nidx=null parent=39BKC]
Unio (Elliptio) perstriatus
 - Unio (Elliptio) perstriatus I. Lea, 1852 [SYNONYM SPECIES 300004:CGKDW nidx=null parent=39BHV]
 + Unio (Elliptio) perstriatus I. Lea, 1852 [SYNONYM SPECIES 301523:CHK8B nidx=null parent=39BHV]
Unio (Elliptio) sagittiformis
 - Unio (Elliptio) sagittiformis I. Lea, 1852 [SYNONYM SPECIES 300004:CGHC8 nidx=null parent=6F4N8]
 + Unio (Elliptio) sagittiformis I. Lea, 1852 [SYNONYM SPECIES 301523:CHHV3 nidx=null parent=6F4N8]
Unio (Elliptio) singularis
 - Unio (Elliptio) singularis B. H. Wright, 1899 [SYNONYM SPECIES 300004:CF7HJ nidx=null parent=39BLD]
 + Unio (Elliptio) singularis B. H. Wright, 1899 [SYNONYM SPECIES 301523:CHHV4 nidx=null parent=39BLD]
Unio (Elliptio) sloatianus
 - Unio (Elliptio) sloatianus I. Lea, 1840 [SYNONYM SPECIES 300004:CGHCB nidx=null parent=39BNK]
 + Unio (Elliptio) sloatianus I. Lea, 1840 [SYNONYM SPECIES 301523:CHHV5 nidx=null parent=39BNK]
Unio (Nodularia) douglasiae
 - Unio (Nodularia) douglasiae J. E. Gray, 1833 [SYNONYM SPECIES 300004:CGKF2 nidx=null parent=47LN9]
 + Unio (Nodularia) douglasiae J. E. Gray, 1833 [SYNONYM SPECIES 301523:CHK8H nidx=null parent=47LN9]
Unio (Uniomerus) columbensis
 - Unio (Uniomerus) columbensis I. Lea, 1857 [SYNONYM SPECIES 300004:CFB5H nidx=null parent=7DKJY]
 + Unio (Uniomerus) columbensis I. Lea, 1857 [SYNONYM SPECIES 301523:CHK8M nidx=null parent=7DKJY]
Unio (Uniomerus) tetralasmus
 - Unio (Uniomerus) tetralasmus Say, 1831 [SYNONYM SPECIES 300004:CF7J3 nidx=null parent=7DKK7]
 + Unio (Uniomerus) tetralasmus Say, 1831 [SYNONYM SPECIES 301523:CHHVJ nidx=null parent=7DKK7]
Unio diluvii
 - Unio diluvii A. d'Orbigny, 1843 [SYNONYM SPECIES 300004:8Z7S2 nidx=null parent=8Z67D]
 + Unio diluvii A. d'Orbigny, 1839 [SYNONYM SPECIES 301523:CHK8S nidx=null parent=CGZSJ]
Uroleucon (Uroleucon)
 - Uroleucon (Uroleucon) Mordvilko, 1914 [ACCEPTED SUBGENUS 300004:C55D7 nidx=null]
 + Uroleucon (Uroleucon) Mordvilko, 1914 [ACCEPTED SUBGENUS 301523:CH6B8 nidx=null]
Usia (Micrusia) forcipata
 - Usia (Micrusia) forcipata Brullé, 1833 [ACCEPTED SPECIES 300004:8FL5B nidx=null]
 + Usia (Micrusia) forcipata Brullé, 1833 [ACCEPTED SPECIES 301523:7F2WV nidx=null]
Usia (Usia) martini
 - Usia (Usia) martini François, 1969 [ACCEPTED SPECIES 300004:8FL6J nidx=null]
 + Usia (Usia) martini François, 1969 [ACCEPTED SPECIES 301523:7F2XC nidx=null]
Vaginula
 - Vaginula auct. [SYNONYM GENUS 300004:CC9X7 nidx=null parent=7PKLD]
 - Vaginula auct. [PROVISIONALLY_ACCEPTED GENUS 300004:CC9X8 nidx=null]
 + Vaginula [SYNONYM GENUS 301523:BGTFH nidx=null parent=7PKLD]
 + Vaginula [PROVISIONALLY_ACCEPTED GENUS 301523:BGTFJ nidx=null]
Vanicoro
 - Vanicoro [SYNONYM GENUS 300004:BGTGR nidx=null parent=7PKM4]
 + Vanicoro J. E. Gray, 1842 [SYNONYM GENUS 301523:CHJHH nidx=null parent=7PKM4]
Vanikoro cuvieriana
 - Vanikoro cuvieriana (Récluz, 1843) [ACCEPTED SPECIES 300004:7FH32 nidx=null]
 + Vanikoro cuvieriana (Récluz, 1846) [ACCEPTED SPECIES 301523:CHJHM nidx=null]
Vanikoroia
 - Vanikoroia [SYNONYM GENUS 300004:C5QSG nidx=null parent=7PKM4]
 + Vanikoroia Martin, 1914 [SYNONYM GENUS 301523:CHJHN nidx=null parent=7PKM4]
Vasticardium assimile assimile
 - Vasticardium assimile assimile (Reeve, 1844) [ACCEPTED SUBSPECIES 300004:7V434 nidx=null]
 + Vasticardium assimile assimile (Reeve, 1844) [SYNONYM SUBSPECIES 301523:5LQJD nidx=null parent=7FK7N]
Velarifictorus (Velarifictorus) vicinus
 - Velarifictorus (Velarifictorus) vicinus (Chopard, 1955) [ACCEPTED SPECIES 300004:7FKWZ nidx=null]
 + Velarifictorus (Velarifictorus) vicinus (Chopard, 1955) [ACCEPTED SPECIES 301523:CHJKY nidx=null]
Venus alvarezii
 - Venus alvarezii A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:BHN5F nidx=null parent=66B3W]
 + Venus alvarezii A. d'Orbigny, 1846 [SYNONYM SPECIES 301523:CHJMQ nidx=null parent=66B3W]
Venus portesiana
 - Venus portesiana A. d'Orbigny, 1842 [SYNONYM SPECIES 300004:7FMJG nidx=null parent=6PVC2]
 + Venus portesiana A. d'Orbigny, 1846 [SYNONYM SPECIES 301523:CHJN7 nidx=null parent=6PVC2]
Volvarina avenacea
 - Volvarina avenacea auct. [SYNONYM SPECIES 300004:CCF7K nidx=null parent=4N8HW]
 + Volvarina avenacea [SYNONYM SPECIES 301523:5BQDC nidx=null parent=4N8HW]
Volvarina biannulata
 - Volvarina biannulata auct. [SYNONYM SPECIES 300004:CCF7N nidx=null parent=7VBDB]
 + Volvarina biannulata [SYNONYM SPECIES 301523:BHNFH nidx=null parent=7VBDB]
Xenia faraunensis
 - Xenia faraunensis Verseveldt & Cohen, 1971 [SYNONYM SPECIES 300004:857GY nidx=null parent=85W8X]
 + Xenia faraunensis Verseveldt & Cohen, 1971 [SYNONYM SPECIES 301523:5C96Z nidx=null parent=85W8X]
Xiphidiola (Xiphidiola) concolor
 - Xiphidiola (Xiphidiola) concolor Bolívar, 1906 [ACCEPTED SPECIES 300004:BV3MM nidx=null]
 + Xiphidiola (Xiphidiola) concolor Bolívar, 1906 [ACCEPTED SPECIES 301523:7FXDX nidx=null]
Yoraperla japonica
 - Yoraperla japonica [SYNONYM SPECIES 300004:9J5KS nidx=null parent=5CSB3]
 + Yoraperla japonica (Uéno, 1929) [SYNONYM SPECIES 301523:CHK5H nidx=null parent=5CSB3]
Zamia
 - Zamia [ACCEPTED GENUS 300004:CFB7F nidx=null]
 + Zamia L. [ACCEPTED GENUS 301523:CHK9Z nidx=null]
Zamia furfuracea var. trewii
 - Zamia furfuracea var. trewii Miq. [SYNONYM VARIETY 300004:5S5VQ nidx=null parent=5CVPT]
 + Zamia furfuracea var. trewii A.DC. [SYNONYM VARIETY 301523:CHKBD nidx=null parent=5CVPT]
Zamia pygmaea var. wrightii
 - Zamia pygmaea var. wrightii Miq. [SYNONYM VARIETY 300004:5S5W9 nidx=null parent=5CVRY]
 + Zamia pygmaea var. wrightii A.DC. [SYNONYM VARIETY 301523:CHKBZ nidx=null parent=5CVRY]
Zamia skinneri
 - Zamia skinneri Warsz. ex A.Dietr. [ACCEPTED SPECIES 300004:5CVS7 nidx=null]
 + Zamia skinneri Warsz. [ACCEPTED SPECIES 301523:CHKC4 nidx=null]
Zamiaceae
 - Zamiaceae [ACCEPTED FAMILY 300004:HZK nidx=null]
 + Zamiaceae Horan. [ACCEPTED FAMILY 301523:CHK6V nidx=null]
Zirphaea
 - Zirphaea auct. [SYNONYM GENUS 300004:CCG4R nidx=null parent=7PLFF]
 + Zirphaea [SYNONYM GENUS 301523:BGV2Y nidx=null parent=7PLFF]
Zygaena cingulata
 - Zygaena cingulata Reiss, 1931 [SYNONYM SPECIES 300004:CCG7X nidx=null parent=944GZ]
 + Zygaena cingulata Reiss, 1935 [SYNONYM SPECIES 301523:CHKCX nidx=null parent=98VK4]
 + Zygaena cingulata Reiss, 1935 [SYNONYM SPECIES 301523:CHKCY nidx=null parent=944GH]
 + Zygaena cingulata Burgeff, 1906 [AMBIGUOUS_SYNONYM SPECIES 301523:CHKCZ nidx=null parent=93S9X]
 + Zygaena cingulata Burgeff, 1914 [AMBIGUOUS_SYNONYM SPECIES 301523:CHKD2 nidx=null parent=93SJS]
 + Zygaena cingulata Burgeff, 1914 [SYNONYM SPECIES 301523:CHKD3 nidx=null parent=94FB3]
 + Zygaena cingulata Burgeff, 1914 [SYNONYM SPECIES 301523:CHKD4 nidx=null parent=944MB]
 + Zygaena cingulata Burgeff, 1914 [SYNONYM SPECIES 301523:CHKD5 nidx=null parent=9447W]
 + Zygaena cingulata Burgeff, 1914 [SYNONYM SPECIES 301523:CHKD6 nidx=null parent=9448M]
 + Zygaena cingulata Burgeff, 1926 [SYNONYM SPECIES 301523:CHKD7 nidx=null parent=95DBC]
 + Zygaena cingulata Burgeff, 1926 [SYNONYM SPECIES 301523:CHKD8 nidx=null parent=94FB3]
 + Zygaena cingulata Burgeff, 1926 [SYNONYM SPECIES 301523:CHKD9 nidx=null parent=94484]
 + Zygaena cingulata Dziurzynski, 1908 [SYNONYM SPECIES 301523:CHKDB nidx=null parent=9446S]
 + Zygaena cingulata Dziurzynski, 1908 [SYNONYM SPECIES 301523:CHKDC nidx=null parent=9447Q]
 + Zygaena cingulata Reiss, 1931 [SYNONYM SPECIES 301523:CHKDD nidx=null parent=944GZ]
 + Zygaena cingulata Holik & Reiss, 1932 [SYNONYM SPECIES 301523:CHKDF nidx=null parent=944GG]
 + Zygaena cingulata Holik & Sheljuzhko, 1956 [AMBIGUOUS_SYNONYM SPECIES 301523:CHKDG nidx=null parent=5D9FM]
 + Zygaena cingulata Holik & Sheljuzhko, 1956 [AMBIGUOUS_SYNONYM SPECIES 301523:CHKDH nidx=null parent=93SDL]
 + Zygaena cingulata Holik, 1935 [SYNONYM SPECIES 301523:CHKDJ nidx=null parent=9447W]
 + Zygaena cingulata Reiss, 1964 [AMBIGUOUS_SYNONYM SPECIES 301523:CHKDK nidx=null parent=93SHD]
 + Zygaena cingulata Turati, 1923 [SYNONYM SPECIES 301523:CHKDL nidx=null parent=944GY]
 + Zygaena cingulata Turati, 1923 [SYNONYM SPECIES 301523:CHKDM nidx=null parent=944P9]
 + Zygaena cingulata Vorbrodt, 1913 [SYNONYM SPECIES 301523:CHKDN nidx=null parent=94F9H]
Zygaena totarubra
 - Zygaena totarubra Holik & Sheljuzhko, 1955 [AMBIGUOUS_SYNONYM SPECIES 300004:CFBDF nidx=null parent=98PXC]
 + Zygaena totarubra Holik & Sheljuzhko, 1955 [AMBIGUOUS_SYNONYM SPECIES 301523:CHKGF nidx=null parent=98PXC]