MolluscaBase - browser

Mollusca (132 738)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (24 984)
Class Caudofoveata (143)
Class Cephalopoda (1 830)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 673)
Subclass Amphigastropoda † (387)
Subclass Angiogastropoda represented as Gastropoda
Subclass Apogastropoda
Subclass Caenogastropoda (53 618)
Subclass Gastropoda incertae sedis (308)
Subclass Heterobranchia (39 153)
Infraclass "Lower Heterobranchia" (1 137)
Infraclass Euthyneura (37 430)
Subterclass Acteonimorpha (411)
Subterclass Ringipleura (2 917)
Subterclass Tectipleura (34 102)
Superorder Acochlidiimorpha (48)
Superorder Ascoglossa accepted as Sacoglossa
Superorder Basommatophora accepted as Hygrophila
Superorder Eupulmonata (25 566)
Order Aillyida accepted as Achatinina
Order Ellobiida (579)
Order Gymnomorpha accepted as Systellommatophora
Order Stylommatophora (24 763)
Suborder Achatinina (2 899)
Suborder Elasmognatha accepted as Succineoidei
Suborder Helicina (21 624)
Infraorder Arionoidei (139)
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)
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)
Subfamily Archaicinae Schileyko, 1978 accepted as Archaicini Schileyko, 1978
Subfamily Euomphaliinae Schileyko, 1978 accepted as Monachaini Wenz, 1930 (1904)
Subfamily Hygromiinae Tryon, 1866 (32)
Subfamily Leptaxinae C. R. Boettger, 1909 (34)
Subfamily Metafruticicolinae Schileyko, 1972 (31)
Subfamily Paedhoplitinae Schileyko, 1978 accepted as Archaicini Schileyko, 1978
Subfamily Trochulininae Lindholm, 1927 (332)
Tribe Archaicini Schileyko, 1978 (40)
Tribe Ashfordiini Neiber, Razkin & Hausdorf, 2017 (1)
Tribe Caucasigenini Neiber, Razkin & Hausdorf, 2017 (22)
Tribe Ciliellini Schileyko, 1970 (3)
Tribe Ganulini Neiber, Razkin & Hausdorf, 2017 (4)
Tribe Halolimnohelicini H. Nordsieck, 1986 (84)
Tribe Monachaini Wenz, 1930 (1904) (137)
Genus Abchasohela Hudec & Lezhawa, 1971 (4)
Genus Batumica Schileyko, 1978 (1)
Genus Boemica Schileyko, 1978 accepted as Monacha (Paratheba) P. Hesse, 1914
Genus Carthusiana Kobelt, 1871 accepted as Monacha Fitzinger, 1833
Genus Carthusianana Fagot, 1893 accepted as Monacha Fitzinger, 1833
Genus Caucasocressa P. Hesse, 1921 (10)
Genus Diplobursa Schileyko, 1968 (2)
Genus Euomphalia Westerlund, 1889 (5)
Genus Eutheba H. Nordsieck, 1993 accepted as Monacha Fitzinger, 1833
Genus Harmozica Lindholm, 1927 (3)
Genus Hela Hudec & Lezhawa, 1970 accepted as Abchasohela Hudec & Lezhawa, 1971
Genus Hesseola Lindholm, 1927 (3)
Genus Jasonella Lindholm, 1927 (1)
Genus Karabaghia Lindholm, 1927 (1)
Genus Lejeania Ancey, 1887 (10)
Genus Micromphalia Lindholm, 1927 accepted as Stenomphalia Lindholm, 1927
Genus Monacha Fitzinger, 1833 (93)
Subgenus Monacha (Aegaeotheba) Neiber & Hausdorf, 2017 represented as Monacha Fitzinger, 1833
Subgenus Monacha (Ashfordia) J. W. Taylor, 1917 accepted as Ashfordia J. W. Taylor, 1917
Subgenus Monacha (Eutheba) H. Nordsieck, 1993 accepted as Eutheba H. Nordsieck, 1993
Subgenus Monacha (Metatheba) P. Hesse, 1914 represented as Monacha Fitzinger, 1833
Subgenus Monacha (Monacha) Fitzinger, 1833 represented as Monacha Fitzinger, 1833
Species Monacha (Monacha) albocincta (Hesse, 1912) represented as Monacha albocincta (Hesse, 1912)
Species Monacha (Monacha) aniliensis P. L. Reischütz & Sattmann, 1990 represented as Monacha aniliensis P. L. Reischütz & Sattmann, 1990
Species Monacha (Monacha) auturica Falkner, 2000 represented as Monacha auturica Falkner, 2000
Species Monacha (Monacha) bari Forcart, 1981 represented as Monacha bari Forcart, 1981
Species Monacha (Monacha) cantiana (Montagu, 1803) represented as Monacha cantiana (Montagu, 1803)
Species Monacha (Monacha) carascaloides (Bourguignat, 1855) represented as Monacha carascaloides (Bourguignat, 1855)
Species Monacha (Monacha) carinata Hausdorf, 2000 represented as Monacha carinata Hausdorf, 2000
Species Monacha (Monacha) cartusiana (O. F. Müller, 1774) represented as Monacha cartusiana (O. F. Müller, 1774)
Species Monacha (Monacha) cemenelea (Risso, 1826) represented as Monacha cemenelea (Risso, 1826)
Species Monacha (Monacha) chaignoni (Locard, 1883) † accepted as Helicigona chaignoni (Locard, 1883) †
Species Monacha (Monacha) claustralis (Menke, 1828) represented as Monacha claustralis (Menke, 1828)
Species Monacha (Monacha) comata Hausdorf, 2000 accepted as Monacha comata Hausdorf, 2000
Species Monacha (Monacha) compingtae (Pallary, 1929) accepted as Monacha compingtae (Pallary, 1929)
Species Monacha (Monacha) consona (Rossmässler, 1839) represented as Monacha consona (Rossmässler, 1839)
Species Monacha (Monacha) crenophila (L. Pfeiffer, 1857) represented as Monacha crenophila (L. Pfeiffer, 1857)
Species Monacha (Monacha) crispulata (Mousson, 1861) represented as Monacha crispulata (Mousson, 1861)
Species Monacha (Monacha) deupesii (Noulet, 1854) †
Species Monacha (Monacha) dirphica (E. von Martens, 1876) represented as Monacha dirphica (E. von Martens, 1876)
Species Monacha (Monacha) dissimulans L. Pintér, 1968 accepted as Monacha claustralis (Menke, 1828)
Species Monacha (Monacha) dofleini (P. Hesse, 1928) represented as Monacha dofleini (P. Hesse, 1928)
Species Monacha (Monacha) eliae (Nägele, 1906) represented as Monacha eliae (Nägele, 1906)
Species Monacha (Monacha) emigrata (Westerlund, 1894) represented as Monacha emigrata (Westerlund, 1894)
Species Monacha (Monacha) escoffierae (Fontannes, 1880) † accepted as Apula escoffierae (Fontannes, 1880) †
Species Monacha (Monacha) euboeica (Kobelt, 1877) represented as Monacha euboeica (Kobelt, 1877)
Species Monacha (Monacha) eygalierensis (Roman, 1899) †
Species Monacha (Monacha) frequens (Mousson, 1859) represented as Monacha frequens (Mousson, 1859)
Species Monacha (Monacha) goniostoma (F. Sandberger, 1872) † accepted as Apula goniostoma (F. Sandberger, 1872) †
Species Monacha (Monacha) gregaria (Rossmässler, 1839) represented as Monacha gregaria (Rossmässler, 1839)
Species Monacha (Monacha) haussknechti (O. Boettger, 1886) represented as Monacha haussknechti (O. Boettger, 1886)
Species Monacha (Monacha) heberti (Deshayes, 1863) † accepted as Ochthephila (Caseolus) heberti (Deshayes, 1863) †
Species Monacha (Monacha) heteromorpha Hausdorf, 2000 represented as Monacha heteromorpha Hausdorf, 2000
Species Monacha (Monacha) homalospira (Reuss, 1861) † accepted as Pseudomonacha homalospira (Reuss, 1861) †
Species Monacha (Monacha) ignorata (O. Boettger, 1905) represented as Monacha ignorata (O. Boettger, 1905)
Species Monacha (Monacha) jourdani (Michaud, 1862) † accepted as Retinella (Lyrodiscus) jourdani (Michaud, 1862) †
Species Monacha (Monacha) liebegottae Hausdorf, 2003 represented as Monacha liebegottae Hausdorf, 2003
Species Monacha (Monacha) lorentheyi Soós, 1934 † accepted as Apula goniostoma (F. Sandberger, 1872) †
Species Monacha (Monacha) martensiana (Tiberi, 1869) represented as Monacha martensiana (Tiberi, 1869)
Species Monacha (Monacha) melitenensis (P. Hesse, 1915) represented as Monacha melitenensis (P. Hesse, 1915)
Species Monacha (Monacha) menkhorsti Hausdorf, 2000 represented as Monacha menkhorsti Hausdorf, 2000
Species Monacha (Monacha) merssinae (Mousson, 1874) represented as Monacha merssinae (Mousson, 1874)
Species Monacha (Monacha) messenica (Blanc, 1879) represented as Monacha messenica (Blanc, 1879)
Species Monacha (Monacha) microtricha Jaeckel, 1954 represented as Monacha microtricha Jaeckel, 1954
Species Monacha (Monacha) nordsiecki Hausdorf, 2000 represented as Monacha nordsiecki Hausdorf, 2000
Species Monacha (Monacha) nummus (Ehrenberg, 1831) represented as Monacha nummus (Ehrenberg, 1831)
Species Monacha (Monacha) obstructa (L. Pfeiffer, 1842) represented as Monacha obstructa (L. Pfeiffer, 1842)
Species Monacha (Monacha) ocellata (J. R. Roth, 1839) accepted as Monacha ocellata (J. R. Roth, 1839)
Species Monacha (Monacha) oecali Hausdorf & Páll-Gergely, 2009 accepted as Monacha oecali Hausdorf & Páll-Gergely, 2009
Species Monacha (Monacha) orsini (Porro, 1841) represented as Monacha orsini (Porro, 1841)
Species Monacha (Monacha) oshanovae I. Pintér & L. Pintér, 1970 represented as Monacha oshanovae I. Pintér & L. Pintér, 1970
Species Monacha (Monacha) ovularis (Bourguignat, 1855) represented as Monacha ovularis (Bourguignat, 1855)
Species Monacha (Monacha) oxyspira (Babor, 1897) † accepted as Leucochroopsis apicalis (Reuss, 1861) †
Species Monacha (Monacha) pamphylica Hausdorf, 2000 accepted as Monacha pamphylica Hausdorf, 2000
Species Monacha (Monacha) pantanellii (De Stefani, 1879) represented as Monacha pantanellii (De Stefani, 1879)
Species Monacha (Monacha) parumcincta (Menke, 1828) represented as Monacha parumcincta (Menke, 1828)
Species Monacha (Monacha) phaseolina (Deshayes, 1851) † accepted as Leucochroopsis phaseolina (Deshayes, 1851) †
Species Monacha (Monacha) punctigera (Thomä, 1845) † accepted as Pseudomonacha punctigera (Thomä, 1845) †
Species Monacha (Monacha) riedeli Hausdorf, 2000 represented as Monacha riedeli Hausdorf, 2000
Species Monacha (Monacha) rizzae (Aradas, 1843) represented as Monacha rizzae (Aradas, 1843)
Species Monacha (Monacha) ruffoi Fo. Giusti, 1973 represented as Monacha ruffoi Fo. Giusti, 1973
Species Monacha (Monacha) saninensis (Pallary, 1939) represented as Monacha saninensis (Pallary, 1939)
Species Monacha (Monacha) solidior (Mousson, 1863) represented as Monacha solidior (Mousson, 1863)
Species Monacha (Monacha) solitudinis (Bourguignat, 1852) represented as Monacha solitudinis (Bourguignat, 1852)
Species Monacha (Monacha) spiroxia (Bourguignat, 1868) represented as Monacha spiroxia (Bourguignat, 1868)
Species Monacha (Monacha) subaii Hausdorf, 2000 represented as Monacha subaii Hausdorf, 2000
Species Monacha (Monacha) syriaca (Ehrenberg, 1831) accepted as Monacha syriaca (Ehrenberg, 1831)
Species Monacha (Monacha) vasconiensis (Noulet, 1854) †
Species Monacha (Monacha) venusta L. Pintér, 1969 represented as Monacha venusta L. Pintér, 1969
Species Monacha (Monacha) waerzenensis (Klika, 1891) †
Species Monacha (Monacha) zippei (Reuss, 1849) † accepted as Pseudomonacha zippei (Reuss, 1849) †
Subgenus Monacha (Paratheba) P. Hesse, 1914 represented as Monacha Fitzinger, 1833
Subgenus Monacha (Platytheba) Pilsbry, 1894 represented as Monacha Fitzinger, 1833
Subgenus Monacha (Pontotheba) Neiber & Hausdorf, 2017 represented as Monacha Fitzinger, 1833
Subgenus Monacha (Rhytidotheba) Neiber & Hausdorf, 2017 represented as Monacha Fitzinger, 1833
Subgenus Monacha (Szentgalya) L. Pintér, 1977 accepted as Monacha Fitzinger, 1833
Subgenus Monacha (Trichotheba) Neiber & Hausdorf, 2017 represented as Monacha Fitzinger, 1833
Species Monacha albocincta (Hesse, 1912)
Species Monacha aniliensis P. L. Reischütz & Sattmann, 1990
Species Monacha ascania Hausdorf, 2000
Species Monacha atacis E. Gittenberger & de Winter, 1985 accepted as Monacha samsunensis (L. Pfeiffer, 1868)
Species Monacha auturica Falkner, 2000
Species Monacha badia Hausdorf, 2000
Species Monacha bari Forcart, 1981
Species Monacha beieri W. Klemm, 1962 accepted as Monacha haussknechti (O. Boettger, 1886)
Species Monacha bithynica Hausdorf, 2000
Species Monacha cantiana (Montagu, 1803)
Species Monacha carascaloides (Bourguignat, 1855)
Species Monacha carinata Hausdorf, 2000
Species Monacha cartusiana (O. F. Müller, 1774)
Species Monacha cemenelea (Risso, 1826)
Species Monacha ciscaucasica Hausdorf, 2000
Species Monacha claussi Hausdorf, 2000
Species Monacha claustralis (Menke, 1828)
Species Monacha comata Hausdorf, 2000
Species Monacha compingtae (Pallary, 1929)
Species Monacha consona (Rossmässler, 1839)
Species Monacha crenophila (L. Pfeiffer, 1857)
Species Monacha cretica Hausdorf, 2003
Species Monacha crispulata (Mousson, 1861)
Species Monacha densecostulata (Retowski, 1887)
Species Monacha depressior Hausdorf, 2000
Species Monacha devrekensis Hausdorf, 2000
Species Monacha dirphica (E. von Martens, 1876)
Species Monacha dofleini (P. Hesse, 1928)
Species Monacha elatior Hausdorf, 2000
Species Monacha eliae (Nägele, 1906)
Species Monacha emigrata (Westerlund, 1894)
Species Monacha euboeica (Kobelt, 1877)
Species Monacha externa Steklov, 1966 †
Species Monacha fallax A. J. Wagner, 1914 accepted as Xerocampylaea fallax (A. J. Wagner, 1914)
Species Monacha frequens (Mousson, 1859)
Species Monacha fruticola (Krynicki, 1833)
Species Monacha galatica Hausdorf, 2000
Species Monacha gemina Hausdorf, 2000
Species Monacha georgievi Pall-Gergely, 2010
Species Monacha glareosa Hausdorf, 2000
Species Monacha gregaria (Rossmässler, 1839)
Species Monacha hamsikoeyensis (Hudec, 1973)
Species Monacha haussknechti (O. Boettger, 1886)
Species Monacha hemitricha (P. Hesse, 1914)
Species Monacha heteromorpha Hausdorf, 2000
Species Monacha ignorata (O. Boettger, 1905)
Species Monacha iranica H. E. J. Biggs, 1937
Species Monacha kuznetsovi Hausdorf, 2000
Species Monacha lamalouensis (Reynès, 1870)
Species Monacha laxa Hausdorf, 2000
Species Monacha leucozona Hausdorf, 2000
Species Monacha liebegottae Hausdorf, 2003
Species Monacha maasseni Hausdorf, 2003
Species Monacha magna Hausdorf, 2000
Species Monacha margarita Hausdorf, 2000
Species Monacha martensiana (Tiberi, 1869)
Species Monacha melitenensis (P. Hesse, 1915)
Species Monacha menkhorsti Hausdorf, 2000
Species Monacha merssinae (Mousson, 1874)
Species Monacha messenica (Blanc, 1879)
Species Monacha microtricha Jaeckel, 1954
Species Monacha mingrelica (P. Hesse, 1918) accepted as Jasonella mingrelica (P. Hesse, 1918)
Species Monacha neudorfensis (Andreae, 1904) † accepted as Pseudoxerotricha neudorfensis (Andreae, 1904) †
Species Monacha nordsiecki Hausdorf, 2000
Species Monacha nummus (Ehrenberg, 1831)
Species Monacha obstructa (L. Pfeiffer, 1842)
Species Monacha ocellata (J. R. Roth, 1839)
Species Monacha oecali Hausdorf & Páll-Gergely, 2009
Species Monacha orsini (Porro, 1841)
Species Monacha oshanovae I. Pintér & L. Pintér, 1970
Species Monacha ovularis (Bourguignat, 1855)
Species Monacha pamphylica Hausdorf, 2000
Species Monacha pantanellii (De Stefani, 1879)
Species Monacha parumcincta (Menke, 1828)
Species Monacha perfrequens (Hesse, 1914)
Species Monacha pharmacia Hausdorf, 2000
Species Monacha phazimonitica Hausdorf, 2000
Species Monacha pilosa L. Pintér, 1969 accepted as Monacha ovularis (Bourguignat, 1855)
Species Monacha pontica (P. Fischer, 1866) †
Species Monacha praeorientalis Steklov, 1966 †
Species Monacha pseudorothii Hausdorf, 2003
Species Monacha pusilla Hausdorf, 2000
Species Monacha riedeli Hausdorf, 2000
Species Monacha rizzae (Aradas, 1843)
Species Monacha roseni (Hesse, 1914)
Species Monacha rothii (L. Pfeiffer, 1841)
Species Monacha rubiginosa (Rossmässler, 1838) accepted as Pseudotrichia rubiginosa (Rossmässler, 1838)
Species Monacha ruffoi Fo. Giusti, 1973 accepted as Monacha pantanellii (De Stefani, 1879)
Species Monacha rusicadensis (A. Letourneux, 1870)
Species Monacha samsunensis (L. Pfeiffer, 1868)
Species Monacha saninensis (Pallary, 1939)
Species Monacha sedissana Hausdorf, 2000
Species Monacha solidior (Mousson, 1863)
Species Monacha solitudinis (Bourguignat, 1852)
Species Monacha spiroxia (Bourguignat, 1868)
Species Monacha sprattiana (De Stefani, 1891) †
Species Monacha stipulifera Hausdorf, 2000
Species Monacha subaii Hausdorf, 2000
Species Monacha subcarthusiana (Lindholm, 1913)
Species Monacha syriaca (Ehrenberg, 1831)
Species Monacha talischana (E. von Martens, 1880)
Species Monacha terebrata Hausdorf, 2000
Species Monacha tibarenica Neiber & Hausdorf, 2017
Species Monacha tschegemica Schileyko, 1988 accepted as Paratheba roseni (Hesse, 1914)
Species Monacha venusta L. Pintér, 1969
Species Monacha zonitomaea (A. Letourneux, 1870)
Genus Nummulina Kobelt, 1871 accepted as Platytheba Pilsbry, 1895
Genus Oscarboettgeria Lindholm, 1927 (1)
Genus Paratheba P. Hesse, 1914 accepted as Monacha (Paratheba) P. Hesse, 1914
Genus Platytheba Pilsbry, 1895 accepted as Monacha Fitzinger, 1833
Genus Prostenomphalia Baidashnikov, 1985 (1)
Genus Pseudhesseola H. Nordsieck, 1993
Genus Rhytidotheba Neiber & Hausdorf, 2017 represented as Monacha (Rhytidotheba) Neiber & Hausdorf, 2017
Genus Stenomphalia Lindholm, 1927 (2)
Tribe Trochulini Lindholm, 1927 (25)
Tribe Urticicolini Neiber, Razkin & Hausdorf, 2017 (16)
Genus Archygromia Pfeffer, 1930 † (3)
Genus Cernuellopsis Manganelli & Fo. Giusti, 1988 (1)
Genus Helicotricha Fo. Giusti, Manganelli & Crisci, 1992 (1)
Genus Hemistenotrema O. Boettger, 1897 † (1)
Genus Hochheimia Harzhauser & Neubauer, 2021 † (1)
Genus Ichnusomunda Fo. Giusti & Manganelli, 1998 (2)
Genus Jacosta J. E. Gray, 1821 accepted as Xerosecta Monterosato, 1892
Genus Leucochroopsis O. Boettger, 1908 † (14)
Genus Loganiopharynx Wenz, 1919 † (3)
Genus Numidia Issel, 1885 accepted as Xeroplana Monterosato, 1892
Genus Pseudomonacha Pfeffer, 1930 † (3)
Genus Pseudoxerotricha C. R. Boettger, 1911 † (2)
Genus Trochulinae Lindholm, 1927 accepted as Trochulininae Lindholm, 1927
Genus Xerofalsa Monterosato, 1892 accepted as Xeroplana Monterosato, 1892
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