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 (133 203)
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)
Subclass Coleoidea (1 150)
Superorder Ammonoida † (78)
Order Agoniatitida †
Order Ammonitida † (14)
Order Ceratitida † (58)
Superfamily Arcestoidea Mojsisovics, 1875 † (7)
Superfamily Ceratitoidea Moisisovic, 1878 † (5)
Superfamily Choristoceratoidea Hyatt, 1900 † (3)
Superfamily Dinaritoidea Mojsisovics, 1882 † (4)
Superfamily Meekoceratoidea Waagen, 1895 † (7)
Superfamily Megaphyllitoidea Mojsisovics, 1896 † (5)
Superfamily Pinacoceratoidea Mojsisovics, 1879 † (6)
Superfamily Trachyceratoidea Haug, 1894 † (17)
Family Buchitidae Hyatt, 1900 † (9)
Family Dronovitidae Shevyrev, 1990 † (1)
Family Haloritidae Mojsisovics, 1893 † (7)
Family Trachyceratidae Haug, 1894 †
Genus Arpadites Mojsisovics, 1879 †
Genus Trachyceras Laube, 1869 †
Family Tropitidae Mojsisovics, 1875 †
Superfamily Xenodiscoidea Frech, 1902 † (4)
Family Clionitidae Arabu, 1932 †
Order Clymeniida †
Order Goniatitida †
Order Phylloceratida † (3)
Order Prolecanitida † (3)
Superorder Bactritoidea †
Superorder Decabrachia represented as Decapodiformes
Superorder Decapodiformes (727)
Superorder Octobrachia represented as Octopodiformes
Superorder Octopodiformes (342)
Order Coleoidea incertae sedis † (3)
Subclass Endoceratia † (32)
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 (102 955)
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