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 Architectonicoidea Prionoglossa Ringipleura: sea slugs Acteonimorpha Euopisthobranchia: bubble shells Sacoglossa Siphonarioidea Acochlidimorpha Hygrophila Terrestrial slugs and snails Systellommatophora Achatinina Rhytidoidea Orthalicoidea Clausilioidea Arionoidea Succineoidei Limacoidei Helicoidei Pupilloidea Cyclophoroidea Ampullariidae: apple snails Viviparoidea Cerithiimorpha Hypsogastropoda Epitoniidae Stromboidea Capulidae Hipponicidae Calyptraeidae: slipper limpets Naticidae: moon snails Cypraeoidea: cowries Tonnoidea Volutoidea: volutes and nutmeg snails Volutomitridae Conoidea Drilliidae Pseudomelatomidae 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