_
Aclididae
Amnicolidae
Anabathridae
Annulariidae
Aporrhaidae
Assimineidae
Atlantidae
Barleeiidae
Bithyniidae
Bursidae
Bythinellidae
Caecidae
Calyptraeidae
Capulidae
Carinariidae
Cassidae
Cerithiopsidae
Cingulopsidae
Clenchiellidae
Cochliopidae
Cypraeidae
Eatoniellidae
Elachisinidae
Emblandidae
Emmericiidae
Eocypraeidae
Epigridae
Eulimidae
Falsicingulidae
Ficidae
Haloceratidae
Hipponicidae
Hydrobiidae
Hydrococcidae
Iravadiidae
Laubierinidae
Lironobidae
Lithoglyphidae
Littorinidae
Lyocyclidae
Moitessieriidae
Naticidae
Omalaxidae
Ovulidae
Pediculariidae
Pelycidiidae
Personidae
Pickworthiidae
Pisanianuridae
Pomatiidae
Pomatiopsidae
Pterotracheidae
Purpurinidae
Ranellidae
Rastodentidae
Rissoidae
Rissoinidae
Rostellariidae
Seraphsidae
Skeneopsidae
Stenothyridae
Strombidae
Struthiolariidae
Tateidae
Tonnidae
Tornidae
Triviidae
Truncatellidae
Tylostomatidae
Vanikoridae
Velutinidae
Vermetidae
Xenophoridae
Zebinidae
Zerotulidae