Classes
- Actinopteri
- Actinopterygii
- Anopla
- Asteroidea
- Bivalvia
- Cephalopoda
- Crinoidea
- Echinoidea
- Elasmobranchii
- Gastropoda
- Holothuroidea
- Malacostraca
- Mammalia
- Merostomata
- Myxini
- Ophiuroidea
- Polychaeta
- Polyplacophora
- Pycnogonida
- Reptilia
- Rhabditophora
- Tentaculata
- Turbellaria
Families in Gastropoda
- Acmaeidae
- Actinocyclidae
- Aegiretidae
- Aeolidiidae
- Aglajidae
- Angariidae
- Apataidae
- Aplustridae
- Aplysiidae
- Architectonicidae
- Arminidae
- Batillariidae
- Bornellidae
- Buccinidae
- Bullidae
- Bullinidae
- Bursidae
- Cadlinidae
- Caliphyllidae
- Calliostomatidae
- Calyptraeidae
- Campanilidae
- Cassidae
- Cerithiidae
- Chromodorididae
- Columbellidae
- Conidae
- Coryphellidae
- Costellariidae
- Cymatiidae
- Cypraeidae
- Dendrodorididae
- Dendronotidae
- Dironidae
- Discodorididae
- Dorididae
- Dotidae
- Elysiidae
- Epitoniidae
- Eubranchidae
- Facelinidae
- Fasciolariidae
- Fissurellidae
- Flabellinidae
- Flabellinopsidae
- Gastropteridae
- Goniodorididae
- Gymnodorididae
- Haliotidae
- Hancockiidae
- Harpidae
- Hexabranchidae
- Lamellariidae
- Limapontiidae
- Littorinidae
- Lottiidae
- Madrellidae
- Marginellidae
- Mitridae
- Modulidae
- Muricidae
- Myrrhinidae
- Nacellidae
- Nassariidae
- Naticidae
- Olividae
- Onchidorididae
- Ovulidae
- Oxynoidae
- Patellidae
- Pediculariidae
- Phasianellidae
- Phyllidiidae
- Plakobranchidae
- Pleurobranchidae
- Polyceridae
- Proctonotidae
- Ranellidae
- Samlidae
- Scyllaeidae
- Strombidae
- Struthiolariidae
- Tegulidae
- Terebridae
- Tergipedidae
- Tethydidae
- Tonnidae
- Trinchesiidae
- Tritoniidae
- Triviidae
- Trochidae
- Turbinellidae
- Turbinidae
- Turridae
- Turritellidae
- Tylodinidae
- Umbraculidae
- Velutinidae
- Volutidae
- Volutomitridae
Some species from Gastropoda
