Cephalaspidea Caliphyllidae Cochlostomatinae Marginellidae Bithyniidae Zonitidae Carinariidae Notaeolidia Systellommatophora Apataidae Conorbidae Rissoinidae Glaucidae Nassariidae Haliotidae Bathyphytophilidae Planaxidae Hermaeidae Facelinidae Proctonotidae Clenchiellidae Nacellidae Personidae Pleurobranchidae Bornella Colpodaspididae Enidae Paludomidae Osteopeltidae Addisoniidae Agriolimacidae Onchidiidae Discidae Raphitomidae Vanikoridae Philinoglossidae Eatoniellidae Tegulidae Clausiliidae Haloceratidae Anaspidea Camaenidae Diastomatidae Angariidae Volvatellidae Cymbuliidae Diplommatinidae Cerithiidae Cymatiidae Pomatiopsidae Spiraxidae Onchidorididae Elachisinidae Harpidae Arionidae Planorbidae Strictispiridae Pleurotomariidae Annu…

ulariidae Dirona Partulidae Athoracophoridae Basommatophora Neritopsidae Amnicolidae Dendronotidae Scyllaeidae Assimineidae Achatinidae Aglajidae Urocoptidae Oxynoidae Gymnosomata Atlantidae Neotaenioglossa Cuthonidae Pupillidae Flabellinidae Turritellidae Acochlidiacea Velutinidae Muricidae Doridoxa Piseinotecus Capulidae Cochlespiridae Juliidae Dotidae Cyrtoneritida Charopidae Scaphandridae Craspedopomatidae Xenophoridae Mitromorphidae Fionidae

Cyclophoridae Mesogastropoda Pomatiidae Diaphanidae Cingulopsidae Modulidae Lomanotus Milacidae Ampullariidae Melongenidae Soleniscidae Discodorididae Ranellidae Limacidae Xenocratena suecica Architaenioglossa Hydrobiidae Hygromiidae Fissurellidae Caecidae Eucyclidae Cassidae Tylodinidae Calma Plakobranchidae Trochidae Xanthonychidae Anabathridae Pediculariidae Vermetidae Epitoniidae Akera Rastodentidae Goniasmatidae Clathurellidae Terebridae Cuthonellidae Littorinimorpha Canariellidae Runcinida (ordre) Pseudovermis Pinufius rebus Hydrocenidae Bradybaenidae Hipponicidae Littorinidae Fasciolariidae Chilinidae Thecosomata Tergipedidae Samlidae Patellidae Pterotracheidae Dendrodor