MolluscaBase - browser

Between brackets is the number of accepted species

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2 Shows the number of accepted species within the taxon

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Mollusca (133 295)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 081)
Class Caudofoveata (143)
Class Cephalopoda (1 917)
Subclass Coleoidea (1 150)
Superorder Ammonoida † (78)
Superorder Bactritoidea †
Superorder Decabrachia represented as Decapodiformes
Superorder Decapodiformes (727)
Order [unassigned] Decapodiformes (2)
Order Aulacoceratida † (18)
Superfamily Aulacoceratida incertae sedis † (2)
Superfamily Aulacoceratoidea Mojsisovics, 1882 † (7)
Superfamily Xiphoteuthidoidea Bather, 1892 † (9)
Family Xiphoteuthidae Naef, 1921 † accepted as Xiphoteuthididae Bather, 1892 †
Family Xiphoteuthididae Bather, 1892 † (9)
Genus Atractites Gümbel, 1861 † (3)
Genus Ausseites Flower, 1944 †
Genus Breviatractites Mariotti & Pignatti, 1992 † (1)
Genus Calliconites Gemmellaro, 1904 † (1)
Genus Choanoteuthis A. G. Fischer, 1951 †
Genus Claviatractites Mariotti & Pignatti, 1996 † (1)
Genus Crassiatractites Mariotti & Pignatti, 1992 † (1)
Genus Delphinoteuthis Mariotti & Pignatti, 1994 † (1)
Genus Metabelemnites Flower, 1944 † (1)
Species Metabelemnites philippii (Hyatt & Smith, 1905) †
Genus Xiphoteuthis Huxley, 1864 † accepted as Atractites Gümbel, 1861 †
Family Protoaulacoceratidae Bandel, Reitner & Stürmer, 1983 †
Order Bathyteuthida (9)
Order Belemnitida † (143)
Order Diplobelida † (7)
Order Idiosepida (8)
Order Myopsida (48)
Order Oegopsida (255)
Order Palaecoleoidea † accepted as Aulacoceratida †
Order Protobelemnoidea † accepted as Aulacoceratida †
Order Sepiida (223)
Order Spirulida (13)
Order Teuthida
Family Bayanoteuthidae Naef, 1922 †
Family Mississaepiidae Doguzhaeva, P. G. Weaver & Ciampaglio, 2014 † (1)
Superorder Octobrachia represented as Octopodiformes
Superorder Octopodiformes (342)
Order Coleoidea incertae sedis † (3)
Subclass Endoceratia † (34)
Subclass Multiceratia † (307)
Subclass Nautiloida (171)
Subclass Orthoceratia † (212)
Subclass Plectronoceratia † (16)
Subclass Tarphyceratia † (27)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (103 040)
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