Follow the links below for pages on gastropods:
Gastropoda: slugs and snails
Macluritida
Patellogastropoda: limpets
Vetigastropoda: top shells and turban shells
Neritimorpha: nerites
Loxonematoidea
Heterobranchia
Prionoglossa
Ringipleura: sea slugs
Euopisthobranchia: bubble shells
Sacoglossa
Siphonarioidea
Acochlidimorpha
Terrestrial slugs and snails
Systellommatophora
Achatinina
Rhytidoidea
Orthalicoidea
Clausilioidea
Arionoidea
Succineoidei
Limacoidei
Helicoidei
Pupilloidea
Architectonicoidea
Cyclophoroidea
Ampullariidae: apple snails
Viviparoidea
Cerithiimorpha
Hypsogastropoda
Epitoniidae
Stromboidea
Capulidae
Hipponicidae
Calyptraeidae: slipper limpets
Naticidae: moon snails
Cypraeoidea: cowries
Tonnoidea
Neogastropoda: neogastropods
Volutoidea: volutes
Cancellariidae: nutmeg shells
Volutomitridae
Conoidea
Drilliidae
Pseudomelatomidae
Clavatulidae
Horaiclavidae
Turridae
Cochlespiridae
Clathurellidae
Conorbidae
Borsoniidae
Mangeliidae
Raphitomidae
Mitromorphidae
Costellariidae: ribbed mitres
Muricidae: murexes and relatives
Harpidae: harp shells
Buccinoidea: whelks and relatives
Olivoidea: olives
Turbinellidae