Neritoidea Cycloneritimorpha Neritopsina Clenchiellidae Bithyniidae Nacellidae Proctonotidae Rissoinidae Facelinidae Paludomidae Colpodaspididae Addisoniidae Pleurobranchidae Conorbidae Bornella Systellommatophora Caliphyllidae Hermaeidae Personidae Cephalaspidea Glaucidae Apataidae Enidae Cochlostomatinae Marginellidae Bathyphytophilidae Carinariidae Osteopeltidae Planaxidae Haliotidae Zonitidae Notaeolidia Nassariidae Bursidae Streptaxidae Agriolimacidae Athoracophoridae Strictispiridae Tegulidae Onchidiidae Pleurotomariidae Pomatiopsidae Planorbidae Achatinidae Dendronotidae Cymatiidae Discidae Cymbuliidae Clausiliidae Annulariidae Anaspidea D…

Diastomatidae Harpidae Philinoglossidae Elachisinidae Arionidae Basommatophora Oxynoidae Partulidae Onchidorididae Urocoptidae Assimineidae Vanikoridae Raphitomidae Dirona Amnicolidae Cerithiidae Diplommatinidae Aglajidae Scyllaeidae Haloceratidae Spiraxidae Angariidae Volvatellidae Neritopsidae Eatoniellidae Camaenidae Pomatiidae Dotidae Mesogastropoda Ampullariidae Atlantidae Limacidae Acochlidiacea Piseinotecus

Milacidae Fionidae Architaenioglossa Pupillidae Cingulopsidae Cochlespiridae Craspedopomatidae Soleniscidae Muricidae Capulidae Ranellidae Flabellinidae Cyrtoneritida Xenocratena suecica Turritellidae Cyclophoridae Mitromorphidae Modulidae Neotaenioglossa Gymnosomata Scaphandridae Cuthonidae Doridoxa Juliidae Velutinidae Lomanotus Melongenidae Xenophoridae Discodorididae Charopidae Diaphanidae Turbinellidae Truncatellidae Mandelia mirocornata Entomotaeniata Cepolidae (gastéropodes) Umbraculidae Drilliidae Cancellariidae Bucaniidae Siliquariidae Flabellinopsidae Haminoeidae Colloniidae Costellariidae Pyramidellidae Cystiscidae Colubrariidae Buccini