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- Mollusca (132 754)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (24 992)
- Class Caudofoveata (143)
- Class Cephalopoda (1 832)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 679)
- Subclass Amphigastropoda † (387)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 623)
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 154)
- Infraclass "Lower Heterobranchia" (1 137)
- Infraclass Euthyneura (37 431)
- Subterclass Acteonimorpha (411)
- Subterclass Ringipleura (2 917)
- Subterclass Tectipleura (34 103)
- Superorder Acochlidiimorpha (48)
- Superorder Ascoglossa accepted as Sacoglossa
- Superorder Basommatophora accepted as Hygrophila
- Superorder Eupulmonata (25 567)
- Order Aillyida accepted as Achatinina
- Order Ellobiida (579)
- Order Gymnomorpha accepted as Systellommatophora
- Order Stylommatophora (24 764)
- Suborder Achatinina (2 899)
- Suborder Elasmognatha accepted as Succineoidei
- Suborder Helicina (21 625)
- Infraorder Arionoidei (140)
- Infraorder Clausilioidei (1 859)
- Infraorder Helicina incertae sedis (3 210)
- Infraorder Helicoidei (5 690)
- Superfamily Helicoidea Rafinesque, 1815 (5 491)
- Family Ariantidae Mörch, 1864 accepted as Ariantinae Mörch, 1864
- Family Bradybaenidae Pilsbry, 1934 (1898) accepted as Camaenidae Pilsbry, 1895
- Family Calyciidae Iredale, 1941 accepted as Hadrinae Iredale, 1937
- Family Camaenidae Pilsbry, 1895 (2 898)
- Subfamily Aegistinae Kuroda & Habe, 1949 accepted as Aegistini Kuroda & Habe, 1949
- Subfamily Amphidrominae Kobelt, 1902 accepted as Camaeninae Pilsbry, 1895
- Subfamily Bradybaeninae Pilsbry, 1934 (1898) (763)
- Tribe Aegistini Kuroda & Habe, 1949 (392)
- Tribe Bradybaenini Pilsbry, 1934 (1898) (327)
- Genus Acusta E. von Martens, 1860 (9)
- Genus Ainohelix Kuroda & Iw. Taki, 1933 (1)
- Genus Apatetes Gude, 1914 (1)
- Genus Armandia Ancey, 1883 accepted as Armandiella Ancey, 1901
- Genus Armandiella Ancey, 1901 (2)
- Genus Bradybaena H. Beck, 1837 (65)
- Genus Buliminidius Heude, 1890 (11)
- Genus Buliminopsis Heude, 1890 accepted as Pseudobuliminus Gredler, 1886
- Genus Campylocathaica Andreae, 1900 accepted as Cathaica Möllendorff, 1884
- Genus Cathaica Möllendorff, 1884 (53)
- Genus Chosenelix Pilsbry, 1927 (2)
- Genus Coccoglypta Pilsbry, 1895 (7)
- Genus Eucathaica Andreae, 1900 accepted as Cathaica Möllendorff, 1884
- Genus Eulota W. Hartmann, 1841 accepted as Fruticicola Held, 1838
- Subgenus Eulota (Acusta) E. von Martens, 1860 accepted as Acusta E. von Martens, 1860
- Subgenus Eulota (Aegista) Albers, 1850 accepted as Aegista Albers, 1850
- Subgenus Eulota (Cathaica) Möllendorff, 1884 accepted as Cathaica Möllendorff, 1884
- Subgenus Eulota (Coccoglypta) Pilsbry, 1895 accepted as Coccoglypta Pilsbry, 1895
- Subgenus Eulota (Coelorus) Pilsbry, 1900 accepted as Coelorus Pilsbry, 1900
- Subgenus Eulota (Coniglobus) Pilsbry & Y. Hirase, 1906 accepted as Satsuma A. Adams, 1868
- Subgenus Eulota (Dolicheulota) Pilsbry, 1901 accepted as Dolicheulota Pilsbry, 1901
- Subgenus Eulota (Euhadra) Pilsbry, 1890 accepted as Euhadra Pilsbry, 1890
- Subgenus Eulota (Eulota) W. Hartmann, 1841 accepted as Fruticicola Held, 1838
- Subgenus Eulota (Eulotella) E. von Martens, 1891 accepted as Bradybaena H. Beck, 1837
- Species Eulota (Eulotella) commoda (A. Adams, 1868) accepted as Trishoplita commoda (A. Adams, 1868)
- Species Eulota (Eulotella) diplodesma Möllendorff, 1899 accepted as Bradybaena diplodesma (Möllendorff, 1899)
- Species Eulota (Eulotella) jourdyi (Morlet, 1886) accepted as Bradybaena jourdyi (Morlet, 1886)
- Species Eulota (Eulotella) magnaciana (Heude, 1882) accepted as Bradybaena magnaciana (Heude, 1882)
- Species Eulota (Eulotella) micronesica Möllendorff, 1900
- Species Eulota (Eulotella) poecila Möllendorff, 1899 accepted as Bradybaena poecila (Möllendorff, 1899)
- Species Eulota (Eulotella) similaris (A. Férussac, 1822) accepted as Bradybaena similaris (A. Férussac, 1822)
- Subgenus Eulota (Ganesella) W. T. Blanford, 1863 accepted as Ganesella W. T. Blanford, 1863
- Subgenus Eulota (Karaftohelix) Pilsbry, 1927 accepted as Karaftohelix Pilsbry, 1927
- Subgenus Eulota (Leucozonella) Lindholm, 1927 accepted as Leucozonella Lindholm, 1927
- Subgenus Eulota (Mandarina) Pilsbry, 1895 accepted as Mandarina Pilsbry, 1895
- Subgenus Eulota (Mastigeulota) Pilsbry, 1895 accepted as Mastigeulota Pilsbry, 1895
- Subgenus Eulota (Platypetasus) Pilsbry, 1895 accepted as Platypetasus Pilsbry, 1895
- Subgenus Eulota (Plecteulota) Möllendorff, 1892 accepted as Plecteulota Möllendorff, 1892
- Subgenus Eulota (Plectotropis) E. von Martens, 1860 accepted as Plectotropis E. von Martens, 1860
- Subgenus Eulota (Tricheulota) Pilsbry, 1895 accepted as Tricheulota Pilsbry, 1895
- Subgenus Eulota (Trishoplita) Jacobi, 1898 accepted as Trishoplita Jacobi, 1898
- Species Eulota arbusticola (Deshayes, 1870) accepted as Coccoglypta arbusticola (Deshayes, 1870)
- Species Eulota callizona (Crosse, 1871) accepted as Euhadra callizona (Crosse, 1871)
- Species Eulota carinifera (C. Semper, 1880) accepted as Bradybaena carinifera (C. Semper, 1880)
- Species Eulota cavicollis Pilsbry, 1900 accepted as Coelorus cavicollis (Pilsbry, 1900)
- Species Eulota chishimana Pilsbry & Y. Hirase, 1904 accepted as Karaftohelix blakeana (Newcomb, 1865)
- Species Eulota connivens (L. Pfeiffer, 1850) accepted as Bradybaena circulus circulus (L. Pfeiffer, 1846)
- Species Eulota despecta (G. B. Sowerby I, 1839) accepted as Acusta despecta (G. B. Sowerby I, 1839)
- Species Eulota dissimilis (C. Semper, 1880) accepted as Bradybaena dissimilis (C. Semper, 1880)
- Species Eulota duplocingula Möllendorff, 1899 accepted as Bradybaena duplocingula (Möllendorff, 1899)
- Species Eulota endo Pilsbry & Y. Hirase, 1904 accepted as Trishoplita commoda endo (Pilsbry & Y. Hirase, 1904)
- Species Eulota eulemnisca T. D. A. Cockerell, 1924 accepted as Karaftohelix middendorffi (Gerstfeldt, 1859)
- Species Eulota fiscina (Fulton, 1905) accepted as Karaftohelix fiscina (Fulton, 1905)
- Species Eulota flexibilis Fulton, 1905 accepted as Ezohelix flexibilis (Fulton, 1905)
- Species Eulota fodiens (L. Pfeiffer, 1844) accepted as Bradybaena fodiens (L. Pfeiffer, 1844)
- Species Eulota gainesi Pilsbry, 1900 accepted as Karaftohelix gainesi (Pilsbry, 1900)
- Species Eulota globosa K. H. Jones & Preston, 1904 accepted as Fruticicola globosa (K. H. Jones & Preston, 1904)
- Species Eulota gudeana Pilsbry, 1900 accepted as Ezohelix gainesi (Pilsbry, 1900)
- Species Eulota hariola (W. H. Benson, 1856) accepted as Ganesella hariola (W. H. Benson, 1856)
- Species Eulota hessleriana Pfeffer, 1930 † accepted as Fruticicola hessleriana (Pfeffer, 1930) †
- Species Eulota horrida Pilsbry, 1900 accepted as Plectotropis horrida (Pilsbry, 1900)
- Species Eulota hypophaea (Lindholm, 1927) accepted as Leucozonella hypophaea (Lindholm, 1927)
- Species Eulota jourdyi (Morlet, 1886) accepted as Bradybaena jourdyi (Morlet, 1886)
- Species Eulota laeva Pilsbry & Y. Hirase, 1908 accepted as Satsuma laeva (Pilsbry & Y. Hirase, 1908)
- Species Eulota lautsi (Schmacker & O. Boettger, 1890) accepted as Aegista (Plectotropis) lautsi (Schmacker & O. Boettger, 1890)
- Species Eulota lavrushini T. D. A. Cockerell, 1926 accepted as Bradybaena lavrushini (T. D. A. Cockerell, 1926)
- Species Eulota luhuana (G. B. Sowerby I, 1839) accepted as Euhadra luhuana (G. B. Sowerby I, 1839)
- Species Eulota luna Pilsbry, 1900 accepted as Ainohelix editha (A. Adams, 1868)
- Species Eulota maackii (Gerstfeldt, 1859) accepted as Karaftohelix maackii (Gerstfeldt, 1859)
- Species Eulota mackensii (A. Adams & Reeve, 1850) accepted as Plectotropis mackensii (A. Adams & Reeve, 1850)
- Species Eulota mercatoria (L. Pfeiffer, 1845) accepted as Satsuma mercatoria (L. Pfeiffer, 1845)
- Species Eulota mighelsiana (L. Pfeiffer, 1847) accepted as Bradybaena mighelsiana (L. Pfeiffer, 1847)
- Species Eulota murenensis T. D. A. Cockerell, 1926
- Species Eulota nioyaka Pilsbry & Hirase, 1904 accepted as Trishoplita commoda nioyaka (Pilsbry & Hirase, 1904)
- Species Eulota pavlovskii I. M. Likharev, 1955 accepted as Fruticicola stoliczkana pavlovskii (I. M. Likharev, 1955)
- Species Eulota pumilio Pilsbry & Y. Hirase, 1909 accepted as Trishoplita pumilio (Pilsbry & Y. Hirase, 1909)
- Species Eulota rudis Pilsbry, 1900 accepted as Trishoplita hilgendorfi (Kobelt, 1879)
- Species Eulota sacci Pollonera, 1888 †
- Species Eulota sargentiana Pilsbry, 1901
- Species Eulota scalpturita (W. H. Benson, 1859) accepted as Bradybaena scalpturita (W. H. Benson, 1859)
- Species Eulota schadenbergi (Möllendorff, 1888) accepted as Torobaena schadenbergi (Möllendorff, 1888)
- Species Eulota schanorum Möllendorff, 1899 accepted as Bradybaena schanorum (Möllendorff, 1899)
- Species Eulota semenovi (E. von Martens, 1864) accepted as Ponsadenia semenowi (E. von Martens, 1864)
- Species Eulota senckenbergiana (Kobelt, 1875) accepted as Euhadra senckenbergiana (Kobelt, 1875)
- Species Eulota sieboldiana (L. Pfeiffer, 1850) accepted as Acusta sieboldtiana (L. Pfeiffer, 1850)
- Species Eulota similaris (A. Férussac, 1822) accepted as Bradybaena similaris (A. Férussac, 1822)
- Species Eulota sphinctostoma (A. Adams, 1868) accepted as Satsuma sphinctostoma (A. Adams, 1868)
- Species Eulota strelkovi I. M. Likharev & Rammelmeyer, 1952 accepted as Karaftohelix strelkovi (I. M. Likharev & Rammelmeyer, 1952)
- Species Eulota subcornea E. A. Smith, 1894
- Species Eulota submandarina (Pilsbry, 1890) accepted as Phaeohelix submandarina (Pilsbry, 1890)
- Species Eulota succincta (H. Adams, 1866) accepted as Satsuma succincta (H. Adams, 1866)
- Species Eulota suffodiens (O. Boettger, 1891) accepted as Bradybaena suffodiens (O. Boettger, 1891)
- Species Eulota tourannensis (Souleyet, 1842) accepted as Acusta tourannensis (Souleyet, 1842)
- Species Eulota vulgivaga (Schmacker & O. Boettger, 1890) accepted as Plectotropis vulgivaga (Schmacker & O. Boettger, 1890)
- Species Eulota wardi Preston, 1912 accepted as Platypetasus wardi (Preston, 1912)
- Genus Eulotella E. von Martens, 1891 accepted as Bradybaena H. Beck, 1837
- Genus Ezohelix Kuroda & Emura, 1938
- Genus Fruticicola Held, 1838 (30)
- Genus Funiculus Heude, 1888 accepted as Buliminidius Heude, 1890
- Genus Grabauia Yen, 1935
- Genus Karaftohelix Pilsbry, 1927 (24)
- Genus Kaznakoviella Lindholm, 1922 accepted as Fruticicola Held, 1838
- Genus Koreanohadra Kuroda & T. Habe, 1949 accepted as Fruticicola Held, 1838
- Genus Kugitangia Schileyko, Pazilov & Abdulazizova, 2017 (1)
- Genus Laeocathaica Möllendorff, 1899 (27)
- Genus Metodontia Möllendorff, 1886 (8)
- Genus Mikiria Godwin-Austen, 1918 (1)
- Genus Neofruticicola Schileyko, Pazilov & Abdulazizova, 2020 (1)
- Genus Neseulota Ehrmann, 1911
- Genus Paraegista Kuroda & Azuma, 1951 (1)
- Genus Phaeohelix Kuroda & Habe, 1949 (3)
- Genus Platypetasus Pilsbry, 1895 (8)
- Genus Pliocathaica Andreae, 1900 (3)
- Genus Ponsadenia Schileyko, 1978 (6)
- Genus Pseudiberus Ancey, 1887 (11)
- Genus Pseudobuliminus Gredler, 1886 (25)
- Genus Rudens Heude, 1890 (1)
- Genus Secusana Gredler, 1894 (3)
- Genus Semibuliminus Möllendorff, 1899 accepted as Metodontia Möllendorff, 1886
- Genus Stenogyropsis Möllendorff, 1899 (3)
- Genus Stilpnodiscus Möllendorff, 1899 (8)
- Genus Tetrodontina Ancey, 1887 accepted as Metodontia Möllendorff, 1886
- Genus Trichobradybaena M. Wu & J.-Y. Guo, 2003 (3)
- Genus Trichocathaica Gude, 1919 (9)
- Genus Virginihelix Kuroda & T. Habe, 1949 accepted as Fruticicola Held, 1838
- Tribe Euhadrini Habe, Okutani & Nishiwaki, 1994 (33)
- Genus Crenatilabiellus H.-J. Wang, 1982 † (1)
- Genus Eueuhadra M. Wu, 2004 (1)
- Genus Fruticoconus Möllendorff, 1882
- Genus Jiaoliaous G. Zhang, 2024 (1)
- Genus Sinochloritis M. Wu & Z.-Y. Chen, 2019 (1)
- Genus Sinorachis M. Wu & Z.-Y. Chen, 2019 (3)
- Genus Traumatophora Ancey, 1887 (2)
- Genus Undatornatus H.-J. Wang, 1982 † (2)
- Subfamily Camaeninae Pilsbry, 1895 (600)
- Subfamily Cristovalinae Schileyko, 2003 accepted as Hadrinae Iredale, 1937
- Subfamily Hadrinae Iredale, 1937 (1 165)
- Subfamily Helicostylinae Ihering, 1909 (1890) (343)
- Subfamily Papuininae Iredale, 1938 accepted as Hadrinae Iredale, 1937
- Subfamily Pfeifferiinae Gray, 1855 accepted as Helicostylinae Ihering, 1909 (1890)
- Subfamily Sinumeloninae Solem, 1992 accepted as Hadrinae Iredale, 1937
- Subfamily Xanthomelontinae Iredale, 1937 accepted as Hadrinae Iredale, 1937
- Genus Amphicoelina F. Haas, 1933 accepted as Amphicoelina Zilch, 1960
- Genus Archaeoxesta Kobelt, 1909 † (1)
- Genus Geotrochus Swainson, 1840 accepted as Helix (Papuina) E. von Martens, 1860
- Genus Gracillinoconcha W. Yü & X.-Q. Zhang, 1982 † (1)
- Genus Hodopoeus Pilsbry & T. D. A. Cockerell, 1945 † (2)
- Genus Iforasia J.-C. Fischer, 1963 † (1)
- Genus Indocamaena Thach, 2023 (2)
- Genus Kanabohelix Pilsbry, 1927 † (1)
- Genus Kenyirus Clements & Tan, 2012 (3)
- Genus Limonohelix W. Yü & X.-Q. Zhang, 1982 † (3)
- Genus Miocenehadra T. Habe & Itoigawa, 1976 † (2)
- Genus Multiscapta W. Yü, 1982 † (3)
- Genus Ogeramua Christensen, 2017 (2)
- Genus Papuanella Clench & R. D. Turner, 1959 accepted as Ogeramua Christensen, 2017
- Genus Philbouchetia Thach, 2020 (1)
- Genus Planodoma W. Yü & H.-Z. Pan, 1982 † (1)
- Genus Sanshuispira W. Yü & X.-Q. Zhang, 1982 † (3)
- Genus Sinocamaena M. Wu, 2024 (1)
- Family Canariellidae Schileyko, 1991 (56)
- Family Cepolidae Ihering, 1909 (102)
- Family Chloritidae Iredale, 1938 accepted as Hadrinae Iredale, 1937
- Family Cochlicellidae Schileyko, 1972 accepted as Cochlicellini Schileyko, 1972
- Family Cochlicellinae Schileyko, 1972 accepted as Cochlicellini Schileyko, 1972
- Family Cochlostylidae Möllendorff, 1890 accepted as Helicostylinae Ihering, 1909 (1890)
- Family Echinichidae F. G. Thompson & Naranjo-García, 2012 accepted as Echinichinae F. G. Thompson & Naranjo-García, 2012
- Family Elonidae E. Gittenberger, 1977 (63)
- Family Epiphragmophoridae Hoffmann, 1928 (72)
- Family Eulotidae Möllendorff, 1898 accepted as Bradybaenini Pilsbry, 1934 (1898)
- Family Geomitridae C. R. Boettger, 1909 (402)
- Family Helicellidae Ihering, 1909 accepted as Hygromiidae Tryon, 1866
- Family Helicidae Rafinesque, 1815 (500)
- Family Helicodontidae Kobelt, 1904 (26)
- Family Helminthoglyptidae Pilsbry, 1939 accepted as Helminthoglyptinae Pilsbry, 1939
- Family Humboldtianidae Pilsbry, 1939 accepted as Humboldtianinae Pilsbry, 1939
- Family Hygromiidae Tryon, 1866 (460)
- Family Jacostidae Pilsbry, 1948 accepted as Helicellini Ihering, 1909
- Family Labyrinthidae Borrero, Sei, D. G. Robinson & Rosenberg, 2017 (58)
- Family Lampadiidae Winckworth, 1945 accepted as Labyrinthidae Borrero, Sei, D. G. Robinson & Rosenberg, 2017
- Family Leucochroidae Westerlund, 1886 accepted as Sphincterochilinae Zilch, 1960 (1886)
- Family Lysinoidae Hoffmann, 1928 accepted as Lysinoinae Hoffmann, 1928
- Family Monadeniidae H. Nordsieck, 1987 accepted as Monadeniinae H. Nordsieck, 1987
- Family Papuinidae Iredale, 1938 accepted as Hadrinae Iredale, 1937
- Family Pentataeniidae Mörch, 1864 accepted as Helicini Rafinesque, 1815
- Family Planispiridae Iredale, 1941 accepted as Hadrinae Iredale, 1937
- Family Pleurodontidae Ihering, 1912 (57)
- Family Polygyridae Pilsbry, 1895 (311)
- Family Rhagadidae Iredale, 1938 accepted as Hadrinae Iredale, 1937
- Family Sphincterochilidae Zilch, 1960 (1886) (41)
- Family Thysanophoridae Pilsbry, 1926 (42)
- Family Trichodiscinidae H. Nordsieck, 1987 (11)
- Family Trissexodontidae H. Nordsieck, 1987 (46)
- Family Xanthonychidae Strebel & Pfeffer, 1880 (345)
- Tribe Canariellini Schileyko, 1991 accepted as Canariellidae Schileyko, 1991
- Genus Laxecostula Harzhauser & Neubauer, 2020 † (1)
- Superfamily Sagdoidea Pilsbry, 1895 (199)
- Infraorder Limacoidei (4 250)
- Infraorder Oleacinoidei (497)
- Infraorder Orthalicoidei (1 578)
- Infraorder Partuloinei accepted as Pupilloidei
- Infraorder Pupilloidei (3 436)
- Infraorder Rhytidoidei (581)
- Infraorder Sagdoinei accepted as Helicoidei
- Infraorder Succineoidei (384)
- Suborder Orthurethra accepted as Pupilloidei
- Suborder Scolodontina (165)
- Suborder Sigmurethra accepted as Helicina
- Suborder Stylommatophora incertae sedis (75)
- Order Systellommatophora (224)
- Superorder Hygrophila (2 005)
- Superorder Pneumopulmonata
- Superorder Pylopulmonata (4 285)
- Superorder Sacoglossa (391)
- Superorder Siphonarimorpha (163)
- Order Anaspidea accepted as Aplysiida
- Order Aplysiida (101)
- Order Aplysiomorpha accepted as Aplysiida
- Order Archaeopulmonata accepted as Siphonarioidea Gray, 1827
- Order Bullomorpha accepted as Cephalaspidea
- Order Cephalaspidea (1 034)
- Order Heterostropha accepted as Pyramidellidae J. E. Gray, 1840
- Order Pteropoda (414)
- Order Runcinacea accepted as Runcinida
- Order Runcinida (80)
- Order Tectibranchiata
- Order Thecosomata
- Order Umbraculida (15)
- Superorder Euthyneura incertae sedis
- Infraclass Heterobranchia incertae sedis (478)
- Infraclass Mesoneura (108)
- Infraclass Opisthobranchia
- Infraclass Pulmonata
- Subclass Neomphaliones accepted as Vetigastropoda
- Subclass Neritimorpha (1 914)
- Subclass Orthogastropoda represented as Gastropoda
- Subclass Patellogastropoda (511)
- Subclass Prosobranchia
- Subclass Psilogastropoda represented as Gastropoda
- Subclass Vetigastropoda (6 782)
- Class Lamellibranchiata accepted as Bivalvia
- Class Loricata accepted as Polyplacophora
- Class Mollusca incertae sedis † (372)
- Class Monoplacophora (229)
- Class Pelecypoda accepted as Bivalvia
- Class Polyplacophora (1 377)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Rostroconchia † (64)
- Class Scaphopoda (752)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Subclass Chaetodermomorpha accepted as Caudofoveata