Rissooidea Littorinimorpha 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 Diastomatida…

ae 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 Turbinellidae Truncatellidae Mandelia mirocornata Entomotaeniata Cepolidae (gastéropodes) Umbraculidae Drilliidae Cancellariidae Bucaniidae Siliquariidae Flabellinopsidae Haminoeidae Colloniidae Costellariidae Pyramidellidae

Cystiscidae Colubrariidae Buccinidae Lottiidae Tonnidae Bathydorididae Melanopsidae Madrellidae Bathysciadiidae Triviidae Aegires Babyloniidae Hexabranchus Retusidae Olividae Janolidae Mathildidae Mangeliidae Pisaniidae Doridomorpha gardineri Philinidae Peltospiridae Bosellia Limapontiidae Actinocyclidae Eubranchidae Moitessieriidae Architectonicidae Costasiella Borsoniidae Physidae Tornidae Dorididae Heterostropha Potamididae Pachychilidae Cumanotus Abronica Cadlinidae Columbellidae Cycloneritimorpha Orthonychiidae Volutidae Acroloxidae Cochliopidae Cocculinellidae Iravadiidae Mitridae Akiodorididae Sorbeoconcha Megalomastom