MolluscaBase - browser

Mollusca (132 708)
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 (1 827)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 646)
Subclass Amphigastropoda † (387)
Subclass Angiogastropoda represented as Gastropoda
Subclass Apogastropoda
Subclass Caenogastropoda (53 590)
Subclass Gastropoda incertae sedis (308)
Subclass Heterobranchia (39 154)
Infraclass "Lower Heterobranchia" (1 137)
Infraclass Euthyneura (37 431)
Subterclass Acteonimorpha (411)
Subterclass Ringipleura (2 918)
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 (580)
Order Gymnomorpha accepted as Systellommatophora
Order Stylommatophora (24 762)
Suborder Achatinina (2 899)
Suborder Elasmognatha accepted as Succineoidei
Suborder Helicina (21 623)
Infraorder Arionoidei (139)
Infraorder Clausilioidei (1 859)
Infraorder Helicina incertae sedis (3 210)
Infraorder Helicoidei (5 689)
Infraorder Limacoidei (4 250)
Superfamily Dyakioidea Gude & B. B. Woodward, 1921 accepted as Trochomorphoidea Mörch, 1864
Superfamily Gastrodontoidea Tryon, 1866 (621)
Superfamily Helicarionoidea Bourguignat, 1877 (1 862)
Family Ariophantidae Godwin-Austen, 1883 (739)
Family Girasiidae Collinge, 1902 accepted as Girasiini Collinge, 1902
Family Gudeoconchidae Iredale, 1944 accepted as Helicarionidae Bourguignat, 1877
Family Helicarionidae Bourguignat, 1877 (650)
Family Myotestidae Collinge, 1902 accepted as Ostracolethinae Simroth, 1901
Family Urocyclidae Simroth, 1889 (467)
Genus Pilula E. von Martens, 1898 (3)
Genus Sagdellina Cossmann, 1889 † (3)
Superfamily Limacoidea Batsch, 1789 (364)
Superfamily Limacoidei incertae sedis (3)
Superfamily Parmacelloidea P. Fischer, 1856 (1855)
Superfamily Trochomorphoidea Mörch, 1864 (1 190)
Superfamily Zonitoidea Mörch, 1864 (118)
Family Milacidae Ellis, 1926 (55)
Family Parmacellidae P. Fischer, 1856 (1855) (26)
Family Trigonochlamydidae Hesse, 1882 (11)
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