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 (132 791)
Subphylum Aculifera
Subphylum Conchifera
Subphylum Placophora accepted as Polyplacophora
Superclass Aplacophora
Class Amphineura accepted as Aculifera
Class Bivalvia (25 009)
Class Caudofoveata (143)
Class Cephalopoda (1 834)
Subclass Coleoidea (1 137)
Superorder Ammonoida † (78)
Superorder Bactritoidea †
Superorder Decabrachia represented as Decapodiformes
Superorder Decapodiformes (715)
Order [unassigned] Decapodiformes (2)
Order Aulacoceratida † (18)
Order Bathyteuthida (9)
Order Belemnitida † (131)
Suborder Belemnitina † (83)
Family Belemnitidae Owen, 1838 †
Family Hastitidae Naef, 1922 † (10)
Family Hastitinae Naef, 1922 † accepted as Hastitidae Naef, 1922 †
Family Megateuthidae Sachs & Nalnjaeva, 1967 † (35)
Family Mesohibolitidae Nerodenko, 1983 † (22)
Family Nipponoteuthidae Y. Iba, S. Sano & Mutterlose, 2014 † (1)
Family Passaloteuthidae Naef, 1922 † (15)
Suborder Belemnopseina † (48)
Suborder Belemnotheutina †
Family Phragmoteuthidae Naef, 1921 †
Family Sinobelemnitidae Bian & Zhu, 1984 †
Genus Chrysaor Montfort, 1808 †
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 (341)
Order Coleoidea incertae sedis † (3)
Subclass Endoceratia † (32)
Subclass Multiceratia † (290)
Subclass Nautiloida (136)
Subclass Orthoceratia † (200)
Subclass Plectronoceratia † (16)
Subclass Tarphyceratia † (23)
Class Conchifera accepted as Bivalvia
Class Cricoconarida † (1)
Class Gastropoda (102 697)
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