Olivoidea Neogastropoda Angariidae Philinoglossidae Anaspidea Haloceratidae Eatoniellidae Onchidiidae Raphitomidae Annulariidae Strictispiridae Spiraxidae Urocoptidae Achatinidae Assimineidae Scyllaeidae Dendronotidae Agriolimacidae Vanikoridae Discidae Volvatellidae Tegulidae Athoracophoridae Clausiliidae Diastomatidae Camaenidae Onchidorididae Pomatiopsidae Elachisinidae Basommatophora Cymbuliidae Arionidae Harpidae Amnicolidae Neritopsidae Pleurotomariidae Cerithiidae Partulidae Dirona Aglajidae Cymatiidae Diplommatinidae Planorbidae Oxynoidae Nassariidae Caliphyllidae Planaxidae Nacellidae Systellommatophora Apataidae Facelinidae Conorbidae Hermaeidae Clenchiellidae Proctonotidae Haliotidae Bathyphytophilidae Bithyniidae Co…

ochlostomatinae Zonitidae Marginellidae Notaeolidia Carinariidae Rissoinidae Glaucidae Personidae Enidae Cephalaspidea Colpodaspididae Bornella Osteopeltidae Paludomidae Pleurobranchidae Addisoniidae Clionidae Hydrobiidae Hygromiidae Fissurellidae Caecidae Eucyclidae Cassidae Tylodinidae Calma Plakobranchidae Trochidae Xanthonychidae Anabathridae Pediculariidae Vermetidae Epitoniidae Akera Rastodentidae Goniasmatid

ae Clathurellidae Terebridae Cuthonellidae Littorinimorpha Canariellidae Runcinida (ordre) Pseudovermis Pinufius rebus Hydrocenidae Bradybaenidae Hipponicidae Littorinidae Fasciolariidae Chilinidae Thecosomata Tergipedidae Samlidae Patellidae Pterotracheidae Dendrodorididae Pseudolividae Bulla (genre) Streptaxidae Bursidae Turritellidae Flabellinidae Neotaenioglossa Capulidae Cuthonidae Acochlidiacea Pupillidae Piseinotecus Xenophoridae Cochlespiridae Melongenidae Juliidae Craspedopomatidae Dotidae Atlantidae Gymnosomata Scaphandridae Muricidae Charopidae Doridoxa Cyrtoneritida Pomatiidae Mesogastropoda Cingulopsidae Ranellidae Mitromorphidae Discodorididae Milacidae Xen