Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Heterobranchia Burmeister, 1837 see Superorder Heterobranchia Burmeister, 1837
       Informal Group Pulmonata Cuvier, 1814 see Order Pulmonata Cuvier, 1814
         Informal Group Basommatophora Keferstein, 1865 see [unranked] Panpulmonata Jörger, Stöger, Kano, Fukuda, Knebelsberger & Schrödl, 2010
           Superfamily Siphonarioidea Gray, 1827
             1 Family Siphonariidae Gray, 1827
             2 Family †Acroreiidae Cossmann, 1893