OrdenLittorinimorpha

Assimineidae Barleeiidae Bursidae Bythinellidae Carinariidae Cassidae Charoniidae Cochliopidae Cymatiidae Cypraeidae Eatoniellidae Emmericiidae Ficidae Hipponicidae Lithoglyphidae Ovulidae Personidae Pomatiidae Ranellidae Rissoinidae Rostellariidae Seraphsidae Stenothyridae Strombidae Struthiolariidae Tonnidae Truncatellidae Vanikoridae Vermetidae Xenophoridae Zebinidae

Calyptraeoidea Eulimoidea Littorinoidea Naticoidea Rissooidea Stromboidea Velutinoidea