Unionidae
- Unio
Type genus of the family Unionidae.
- Anodonta
Thin-shelled freshwater mussels.
- Dreissena
Zebra mussels.
Decapoda
- genus Loligo
Squids.
- genus Ommastrephes
A genus of Decapoda.
Veneridae
- Venus
Type genus of the family Veneridae: genus of edible clams with thick oval shells.
- Mercenaria
A genus of Veneridae.
Ostreidae
- Ostrea
Type genus of the family Ostreidae.
- Crassostrea
Virginia oysters.
Strombidae
- Lambis
Scorpion shells of shallow tropical waters of the eastern hemisphere.
- Strombus
Type genus of the family Strombidae.
Teredinidae
- genus Teredo
Type genus of the family Teredinidae.
- Bankia
Giant shipworms.
Neritidae
- genus Nerita
Type genus of the Neritidae.
- genus Neritina
A genus of Neritidae.
Also contains
- Helix
Type genus of the family Helicidae.
- Arca
Type genus of the family Arcidae: ark shells and blood clams.
- genus Pecten
Type genus of the family Pectinidae: sea and bay scallops.
- genus Octopus
Type genus of the family Octopodidae.
- Littorina
Type genus of the family Littorinidae: periwinkles.
- Argonauta
Type genus of the family Argonautidae: paper nautilus.
- Patella
Type genus of the family Patellidae: common European limpets.
- Fissurella
Type genus of the family Fissurellidae: keyhole limpets.
- Ancylus
Type genus of the family Ancylidae: river limpet.
- Sepia
Type genus of the Sepiidae.
- Hermissenda
Genus of marine sea slugs.
- Aplysia
Type genus of the family Aplysiidae.
- genus Spirula
Genus of small cephalopods with many-chambered spiral shells resembling those of the...
- Haminoea
Common genus of marine bubble shells of the Pacific coast of North America.
- genus Physa
Type genus of the Physidae; freshwater air-breathing snails.
- Cypraea
Type genus of the family Cypraeidae: the typical cowries.
- genus Chiton
A genus of Polyplacophora.
- Placuna
Windowpane oysters.
- Mya
Type genus of the family Myacidae.
- Ensis
Razor clams.
- Tridacna
Type genus of the family Tridacnidae: giant clams.
- Cardium
Type genus of the family Cardiidae: cockles.
- Pinctada
Pearl oysters.
- Anomia
Type genus of the family Anomiidae: saddle oysters.
- Mytilus
Type genus of the family Mytilidae: smooth-shelled marine mussels.
- Haliotis
Type genus of the family Haliotidae.
- Pholas
Type genus of the family Pholadidae: piddocks.
- genus Nautilus
Type genus and sole recent representative of the family Nautilidae.
- Limax
A genus of Limacidae.