MolluscaBase - browser

Between brackets is the number of accepted species

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Mollusca (133 377)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 099)
Class Caudofoveata (143)
Class Cephalopoda (1 933)
Subclass Coleoidea (1 152)
Subclass Endoceratia † (34)
Subclass Multiceratia † (314)
Subclass Nautiloida (171)
Subclass Orthoceratia † (219)
Order Actinoceratida † (40)
Order Astroviida † (39)
Order Dissidoceratida † (9)
Order Dissidocerida † accepted as Dissidoceratida †
Order Orthoceratida † (58)
Superfamily Orthoceratoidea F. McCoy, 1844 † (33)
Family Baltoceratidae Kobayashi, 1935 † (25)
Genus Annbactroceras Kröger & D. H. Evans, 2011 † (2)
Species Annbactroceras felinense Kröger & D. H. Evans, 2011 †
Species Annbactroceras martyi (Thoral, 1935) †
Genus Baltoceras Holm, 1897 † accepted as Cochlioceras Eichwald, 1860 † (3)
Genus Cartersoceras Flower, 1964 † (1)
Genus Castelloceras D. H. Evans, 2005 † (1)
Genus Cochlioceras Eichwald, 1860 † (1)
Genus Cyptendoceras Ulrich & Foerste, 1936 † (5)
Genus Cyrtobaltoceras Flower, 1964 † (1)
Genus Endorioceras Flower, 1964 † (1)
Genus Eobactrites Schindewolf, 1932 † accepted as Bactroceras Holm, 1899 †
Genus Eosomichelinoceras J.-Y. Chen, 1974 † (3)
Genus Metabaltoceras Flower, 1964 † (2)
Genus Murrayoceras Foeste, 1926 † (2)
Genus Ogygoceras Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 †
Genus Rhabdiferoceras Flower, 1964 † (1)
Genus Semiannuloceras D. H. Evans, 2005 † (1)
Genus Wolungoceras Kobayashi, 1931 † (1)
Family Dawsonoceratidae Flower, 1946 †
Order Pseudorthoceratida † (49)
Order Rioceratida † (23)
Genus Haruspex Shimansky, 1968 † accepted as Uralharuspex Ceccolini & Cianferoni, 2023
Genus Uralharuspex Ceccolini & Cianferoni, 2023 (1)
Subclass Plectronoceratia † (16)
Subclass Tarphyceratia † (27)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (103 088)
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 (754)
Class Solenoconchia accepted as Scaphopoda
Class Solenogastres (313)
Subclass Chaetodermomorpha accepted as Caudofoveata