MolluscaBase - browser

Between brackets is the number of accepted species

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Mollusca (132 888)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 022)
Subclass Autobranchia (23 308)
Infraclass Heteroconchia (16 648)
Subterclass Archiheterodonta (1 208)
Order Actinodontida † (196)
Order Carditida (1 011)
Superfamily Astartacea accepted as Crassatelloidea A. Férussac, 1822
Superfamily Astartoidea A. d'Orbigny, 1844 accepted as Crassatelloidea A. Férussac, 1822
Superfamily Carditoidea A. Férussac, 1822 (597)
Superfamily Crassatelloidea A. Férussac, 1822 (413)
Family Aenigmoconchidae Betekhtina, 1968 † (13)
Genus Aenigmoconcha Benediktova, 1955 † (3)
Genus Yavorskia Fedotov, 1938 † accepted as Yavorskiella Khalfin, 1950 †
Species Yavorskia skoki Fedotov, 1938 † accepted as Yavorskiella skoki (Fedotov, 1938) †
Genus Yavorskiella Khalfin, 1950 † (10)
Family Astartidae A. d'Orbigny, 1844 (1840) (135)
Family Crassatellidae A. Férussac, 1822 (250)
Family Crassatelloidea incertae sedis † (10)
Family Myophoricardiidae Chavan, 1969 † (5)
Family Archaeocardiidae Khalfin, 1940 †
Family Eodonidae J. G. Carter, D. C. Campbell & M. R. Campbell, 2000 † (1)
Order unranked_Archiheterodonta † (1)
Subterclass Euheterodonta (11 366)
Subterclass Heterodonta
Subterclass Palaeoheterodonta (4 073)
Superorder Heteroconchia incertae sedis † (1)
Infraclass Pteriomorphia (6 660)
Subclass Bivalvia incertae sedis (7)
Subclass Palaeotaxodonta accepted as Nuculida
Subclass Paleoheterodonta accepted as Palaeoheterodonta
Subclass Protobranchia (1 365)
Infraclass Cryptodonta † (342)
Class Caudofoveata (143)
Class Cephalopoda (1 838)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 777)
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