MolluscaBase - browser

Mollusca (132 888)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 022)
Class Caudofoveata (143)
Class Cephalopoda (1 838)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 777)
Subclass Amphigastropoda † (396)
Subclass Angiogastropoda represented as Gastropoda
Subclass Apogastropoda
Subclass Caenogastropoda (53 684)
Subclass Gastropoda incertae sedis (309)
Subclass Heterobranchia (39 180)
Infraclass "Lower Heterobranchia" (1 137)
Infraclass Euthyneura (37 457)
Subterclass Acteonimorpha (411)
Subterclass Ringipleura (2 917)
Subterclass Tectipleura (34 129)
Superorder Acochlidiimorpha (48)
Superorder Ascoglossa accepted as Sacoglossa
Superorder Basommatophora accepted as Hygrophila
Superorder Eupulmonata (25 591)
Order Aillyida accepted as Achatinina
Order Ellobiida (579)
Order Gymnomorpha accepted as Systellommatophora
Order Stylommatophora (24 788)
Suborder Achatinina (2 912)
Suborder Elasmognatha accepted as Succineoidei
Suborder Helicina (21 636)
Infraorder Arionoidei (140)
Infraorder Clausilioidei (1 859)
Infraorder Helicina incertae sedis (3 210)
Infraorder Helicoidei (5 691)
Infraorder Limacoidei (4 251)
Infraorder Oleacinoidei (497)
Superfamily Haplotrematoidea H. B. Baker, 1925 (20)
Superfamily Oleacinoidea H. Adams & A. Adams, 1855 (477)
Family Glandinidae Bourguignat, 1877 accepted as Oleacinidae H. Adams & A. Adams, 1855
Family Oleacinidae H. Adams & A. Adams, 1855 (117)
Family Spiraxidae H. B. Baker, 1939 (360)
Subfamily Euglandininae H. B. Baker, 1941 (186)
Subfamily Spiraxinae H. B. Baker, 1939 (99)
Genus Euspiraxis E. von Martens, 1860 accepted as Spiraxis (Euspiraxis) E. von Martens, 1860
Genus Mayaxis F. G. Thompson, 1995 (9)
Genus Micromena H. B. Baker, 1939 (3)
Genus Miraradula H. B. Baker, 1939 (2)
Genus Pseudosubulina Strebel & Pfeffer, 1882 (26)
Subgenus Pseudosubulina (Rectaxis) H. B. Baker, 1926 accepted as Rectaxis H. B. Baker, 1926
Species Pseudosubulina arcuata (H. B. Baker, 1939)
Species Pseudosubulina berendti (L. Pfeiffer, 1862)
Subspecies Pseudosubulina berendti berendti (L. Pfeiffer, 1862)
Subspecies Pseudosubulina berendti gracilior E. von Martens, 1898
Subspecies Pseudosubulina berendti ocidentalis Pilsbry, 1899
Variety Pseudosubulina berendti var. gracilior E. von Martens, 1898 accepted as Pseudosubulina berendti gracilior E. von Martens, 1898
Species Pseudosubulina borealis (Pilsbry, 1904)
Species Pseudosubulina caduca (H. B. Baker, 1939)
Species Pseudosubulina canalizonalis Pilsbry, 1930 accepted as Rectaxis canalizonalis (Pilsbry, 1930)
Species Pseudosubulina chaperi (Jousseaume, 1889)
Species Pseudosubulina cheatumi Pilsbry, 1950
Species Pseudosubulina costata (H. B. Baker, 1939)
Species Pseudosubulina decussata H. B. Baker, 1926 accepted as Rectaxis decussatus (H. B. Baker, 1926)
Species Pseudosubulina eiseniana (J. G. Cooper, 1893)
Species Pseudosubulina evermanni Dall, 1926
Species Pseudosubulina fortis E. von Martens, 1898 accepted as Mayaxis fortis (E. von Martens, 1898)
Species Pseudosubulina insularis Pilsbry, 1930
Species Pseudosubulina irregularis Pilsbry, 1907
Species Pseudosubulina juancho D. S. Dourson, Caldwell & J. A. Dourson, 2018
Species Pseudosubulina lirifera (Morelet, 1851) accepted as Mayaxis lirifera (Morelet, 1851)
Species Pseudosubulina martensiana Pilsbry, 1920 accepted as Mayaxis martensiana (Pilsbry, 1920)
Species Pseudosubulina mitescens E. von Martens, 1898 accepted as Mayaxis mitescens (E. von Martens, 1898)
Species Pseudosubulina nouraguensis Gargominy & Muratov, 2012
Species Pseudosubulina orizabensis Pilsbry, 1907
Species Pseudosubulina parva (H. B. Baker, 1939)
Species Pseudosubulina problematica Pilsbry, 1907 accepted as Micromena problematica (Pilsbry, 1907)
Species Pseudosubulina robusta E. von Martens, 1898
Species Pseudosubulina ruthae Pilsbry, 1954
Species Pseudosubulina salvini E. von Martens, 1898
Species Pseudosubulina santi Gargominy, 2025
Species Pseudosubulina sargi (Crosse & P. Fischer, 1877)
Species Pseudosubulina splendens (F. G. Thompson, 1959)
Species Pseudosubulina tastensis (J. G. Cooper, 1894)
Species Pseudosubulina texoloensis Pilsbry, 1899
Species Pseudosubulina theoripkeni Gargominy & Muratov, 2012
Species Pseudosubulina trypanodes (L. Pfeiffer, 1856)
Species Pseudosubulina ventrosa (H. B. Baker, 1939)
Genus Ravenia Crosse, 1873 accepted as Spiraxis (Ravenia) Crosse, 1873
Genus Rectaxis H. B. Baker, 1926 (14)
Genus Spiraxis C. B. Adams, 1850 (8)
Genus Tornaxis E. von Martens, 1898
Genus Volutaxis Strebel & Pfeffer, 1882 (37)
Subfamily Streptostylinae H. B. Baker, 1941 (75)
Infraorder Orthalicoidei (1 587)
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 (1 036)
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 (6 783)
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