Between brackets is the number of accepted species
Click on "-" to collapse/hide all child taxa
Shows the number of accepted species within the taxon
The last expanded taxon is highlighted
Click on "+" to expand/show all child taxa
Click to see the taxon details page
- Mollusca (132 848)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (25 011)
- Class Caudofoveata (143)
- Class Cephalopoda (1 834)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 752)
- Subclass Amphigastropoda † (396)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 669)
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 172)
- Infraclass "Lower Heterobranchia" (1 137)
- Infraclass Euthyneura (37 449)
- Subterclass Acteonimorpha (411)
- Subterclass Ringipleura (2 917)
- Subterclass Tectipleura (34 121)
- Superorder Acochlidiimorpha (48)
- Superorder Ascoglossa accepted as Sacoglossa
- Superorder Basommatophora accepted as Hygrophila
- Superorder Eupulmonata (25 585)
- Order Aillyida accepted as Achatinina
- Order Ellobiida (579)
- Order Gymnomorpha accepted as Systellommatophora
- Order Stylommatophora (24 782)
- Suborder Achatinina (2 912)
- Suborder Elasmognatha accepted as Succineoidei
- Suborder Helicina (21 630)
- Infraorder Arionoidei (140)
- Infraorder Clausilioidei (1 859)
- Infraorder Helicina incertae sedis (3 210)
- Superfamily Coelociontoidea Iredale, 1937 (5)
- Superfamily Papillodermatoidea Wiktor, R. Martin & Castillejo, 1990 (1)
- Superfamily Plectopyloidea Möllendorff, 1898 (144)
- Superfamily Punctoidea E. S. Morse, 1864 (1 789)
- Superfamily Testacelloidea J. E. Gray, 1840 (20)
- Superfamily Urocoptoidea Pilsbry, 1898 (1868) (1 251)
- Family Cerionidae Pilsbry, 1901 (192)
- Family Cylindrellidae Tryon, 1868 accepted as Urocoptinae Pilsbry, 1898 (1868)
- Family Epirobiidae F. G. Thompson, 2012 (22)
- Family Eucalodiidae P. Fischer & Crosse, 1873 (86)
- Family Holospiridae Pilsbry, 1946 (164)
- Family Urocoptidae Pilsbry, 1898 (1868) (787)
- Subfamily Brachypodellinae H. B. Baker, 1956 (43)
- Subfamily Urocoptidae incertae sedis (8)
- Subfamily Urocoptinae Pilsbry, 1898 (1868) (736)
- Genus Acracoptis [sic] accepted as Acrocoptis C. de la Torre & Bartsch, 1972
- Genus Acrocoptis C. de la Torre & Bartsch, 1972 (6)
- Genus Allocoptis F. G. Thompson & Franz, 1976 (1)
- Genus Amphicosmia Pilsbry & Vanatta, 1898 (5)
- Genus Amphistemma C. de la Torre & Bartsch, 1972 (1)
- Genus Angulicervix Pilsbry, 1933 (2)
- Genus Anoma Albers, 1850 (22)
- Genus Arangia Pilsbry & Vanatta, 1898 (8)
- Genus Archegocoptis Pilsbry, 1903 (7)
- Genus Autocoptis Pilsbry, 1902 (28)
- Genus Bactrocoptis Pilsbry, 1902 (4)
- Genus Badiofaux Pilsbry, 1941 (9)
- Genus Bialamus [sic] accepted as Bialasmus C. de la Torre & Bartsch, 1972
- Genus Bialasmus C. de la Torre & Bartsch, 1972 (3)
- Genus Brevipedella Pilsbry, 1903 (4)
- Genus Callocoptis C. de la Torre & Bartsch, 1972 (4)
- Genus Callonia Crosse & P. Fischer, 1870 (4)
- Genus Capillacea C. de la Torre & Bartsch, 1972 (3)
- Genus Carcinostemma C. de la Torre & Jaume, 1972 (3)
- Genus Centralia C. de la Torre & Bartsch, 1972 (20)
- Genus Cochlodinella Pilsbry & Vanatta, 1898 (39)
- Genus Cylindrella L. Pfeiffer, 1840 accepted as Brachypodella H. Beck, 1837
- Genus Esochara Pilsbry & Vanatta, 1898 (3)
- Genus Fibricutis Pilsbry, 1903
- Genus Geminicoptis C. de la Torre & Bartsch, 1972 (2)
- Genus Gongylostoma Albers, 1850 (17)
- Genus Gongylostomella Pilsbry, 1941 (17)
- Genus Gyraxis Pilsbry, 1903 (20)
- Genus Heterocoptis C. de la Torre & Bartsch, 1972 (21)
- Genus Idiostemma Pilsbry & Vanatta, 1898 (5)
- Subgenus Idiostemma (Fibricutis) Pilsbry, 1903 represented as Idiostemma Pilsbry & Vanatta, 1898
- Subgenus Idiostemma (Idiostemma) Pilsbry & Vanatta, 1898 represented as Idiostemma Pilsbry & Vanatta, 1898
- Subgenus Idiostemma (Maceo) Pilsbry & Vanatta, 1898 accepted as Maceo Pilsbry & Vanatta, 1898
- Species Idiostemma (Maceo) frankei A. Fernandez & Suarez, 2018 represented as Idiostemma frankei A. Fernández & Al. Suárez, 2018
- Species Idiostemma (Maceo) interrupta (L. Pfeiffer, 1857) represented as Maceo interrupta (L. Pfeiffer, 1857)
- Subspecies Idiostemma (Maceo) interrupta interrupta (L. Pfeiffer, 1857) represented as Maceo interrupta (L. Pfeiffer, 1857)
- Subspecies Idiostemma (Maceo) interrupta neyi C. de la Torre & Bartsch, 1972 represented as Idiostemma interrupta (L. Pfeiffer, 1857)
- Species Idiostemma alfredoi Franke & A. Fernández, 2007
- Species Idiostemma frankei A. Fernández & Al. Suárez, 2018
- Species Idiostemma interrupta (L. Pfeiffer, 1857)
- Species Idiostemma perplicata (A. Férussac, 1821) accepted as Pleurostemma perplicata (A. Férussac, 1821)
- Species Idiostemma pilsbryana (Ramsden, 1914) accepted as Amphistemma pilsbryana (Ramsden, 1914)
- Species Idiostemma scabrosa (L. Pfeiffer, 1862)
- Species Idiostemma uncata (L. Pfeiffer, 1859)
- Genus Inliaculus Schaufuss, 1869 accepted as Anoma Albers, 1850
- Genus Insulaceramus Clench, 1967 (2)
- Genus Johaniceramus C. de la Torre & Bartsch, 1972 (1)
- Genus Katastoma Clench, 1935 accepted as Brevipedella Pilsbry, 1903
- Genus Leia Albers, 1850 accepted as Anoma Albers, 1850
- Genus Leptospira Swainson, 1840 accepted as Macroceramus Guilding, 1828
- Genus Levistemma C. de la Torre & Bartsch, 1972 (1)
- Genus Liocallonia Pilsbry, 1902 (36)
- Genus Lioidiostemma C. de la Torre & Bartsch, 2008 accepted as Planostemma C. de la Torre & Bartsch, 1972
- Genus Liparotes Pilsbry, 1903 (4)
- Genus Maceo Pilsbry & Vanatta, 1898 (1)
- Genus Macroceramus Guilding, 1828 (61)
- Genus Microceramus Pilsbry & Vanatta, 1898 (71)
- Genus Nesocoptis Pilsbry, 1941 (5)
- Genus Nodulia C. de la Torre & Bartsch, 1972 (7)
- Genus Organocoptis C. de la Torre & Bartsch, 1972 (10)
- Genus Orienticoptis C. de la Torre & Bartsch, 1972 (1)
- Genus Paracallonia Pilsbry, 1903 (1)
- Genus Pfeiffericoptis C. de la Torre & Bartsch, 1972 (13)
- Genus Pineria Poey, 1854 (3)
- Genus Planostemma C. de la Torre & Bartsch, 1972 (4)
- Genus Pleurostemma Pilsbry, 1941 (3)
- Genus Poecilocoptis Pilsbry, 1941 (9)
- Genus Poeycoptis C. de la Torre & Bartsch, 1972 (4)
- Genus Pseudopineria Aguayo, 1938 (2)
- Genus Pycnoptychia Pilsbry & Vanatta, 1898 (8)
- Genus Sagracoptis C. de la Torre & Bartsch, 1972 (7)
- Genus Scopulospica Pilsbry, 1941 accepted as Tomelasmus Pilsbry & Vanatta, 1898
- Genus Sectilumen Pilsbry & Vanatta, 1898 (1)
- Genus Spiraxilla Thiele, 1931 accepted as Gyraxis Pilsbry, 1903
- Genus Spiroceramus Pilsbry & Vanatta, 1898 (4)
- Genus Spirostemma Pilsbry & Vanatta, 1898 (15)
- Genus Steatocoptis Pilsbry, 1941 (3)
- Genus Strophina Mörch, 1852 (1)
- Genus Teneria C. de la Torre & Bartsch, 1972 (1)
- Genus Tenuistemma C. de la Torre & Bartsch, 1972 (2)
- Genus Tetrentodon Pilsbry, 1903 (79)
- Genus Tomelasmus Pilsbry & Vanatta, 1898 (20)
- Genus Torrecoptis Bartsch, 1943 (64)
- Genus Trachelia L. Pfeiffer, 1853 accepted as Tetrentodon Pilsbry, 1903
- Genus Trilamellaxis C. de la Torre & Bartsch, 1972 (6)
- Genus Uncinicoptis C. de la Torre & Bartsch, 1972 (8)
- Genus Urocoptis H. Beck, 1837 (20)
- Genus Vendryesia C. T. Simpson, 1895 accepted as Anoma Albers, 1850
- Infraorder Helicoidei (5 691)
- Infraorder Limacoidei (4 251)
- Infraorder Oleacinoidei (497)
- Infraorder Orthalicoidei (1 581)
- 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
