MolluscaBase - browser

Between brackets is the number of accepted species

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Mollusca (133 210)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 077)
Class Caudofoveata (143)
Class Cephalopoda (1 915)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 962)
Subclass Amphigastropoda † (428)
Subclass Angiogastropoda represented as Gastropoda
Subclass Apogastropoda
Subclass Caenogastropoda (53 790)
Subclass Gastropoda incertae sedis (309)
Subclass Heterobranchia (39 217)
Infraclass "Lower Heterobranchia" (1 139)
Infraclass Euthyneura (37 492)
Subterclass Acteonimorpha (411)
Superfamily Acteonoidea A. d'Orbigny, 1842 (332)
Family Acteonidae A. d'Orbigny, 1842 (262)
Family Aplustridae Gray, 1847 (43)
Family Bullinidae Gray, 1850 accepted as Aplustridae Gray, 1847
Family Cylindrobullinidae Wenz, 1938 † (18)
Family Hydatinidae Pilsbry, 1895 accepted as Aplustridae Gray, 1847
Family Nonacteoninidae Bandel, 1994 † accepted as Aplustridae Gray, 1847 (1)
Family Pupidae Kuroda, 1941 accepted as Acteonidae A. d'Orbigny, 1842
Family Solidulidae Meek & Hayden, 1860 accepted as Acteonidae A. d'Orbigny, 1842
Family Sulcoactaeonidae Gründel, 1997 † accepted as Aplustridae Gray, 1847
Family Tornatellidae J. Fleming, 1828 accepted as Acteonidae A. d'Orbigny, 1842
Family Tubiferidae Cossmann, 1895 † (8)
Genus Cossmannina Gründel & Nützel, 2012 † (2)
Genus Domerionina Gründel & Nützel, 2012 † (3)
Genus Permocossmannina Mazaev, 2015 † (1)
Genus Tubifer Piette, 1856 † (2)
Family Zardinellidae Bandel, 1994 †
Superfamily Rissoelloidea Gray, 1850 (79)
Subterclass Ringipleura (2 917)
Subterclass Tectipleura (34 164)
Superorder Euthyneura incertae sedis
Infraclass Heterobranchia incertae sedis (478)
Infraclass Mesoneura (108)
Infraclass Opisthobranchia
Infraclass Pulmonata
Subclass Neomphaliones accepted as Vetigastropoda
Subclass Neritimorpha (1 915)
Subclass Orthogastropoda represented as Gastropoda
Subclass Patellogastropoda (514)
Subclass Prosobranchia
Subclass Psilogastropoda represented as Gastropoda
Subclass Vetigastropoda (6 789)
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 (1 381)
Class Polyplaxiphora accepted as Polyplacophora
Class Rostroconchia † (64)
Class Scaphopoda (753)
Class Solenoconchia accepted as Scaphopoda
Class Solenogastres (313)
Subclass Chaetodermomorpha accepted as Caudofoveata