Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
       Clade Sorbeoconcha Ponder & Lindberg, 1997 see Order Sorbeoconcha Ponder & Lindberg, 1997
         Clade Hypsogastropoda Ponder & Lindberg, 1997 see Suborder Hypsogastropoda Ponder & Lindberg, 1997
           Clade Littorinimorpha Pchelintsev, 1963 see Infraorder Littorinimorpha Pchelintsev, 1963
             Superfamily Stromboidea Rafinesque, 1815
               1 Family Strombidae Rafinesque, 1815 - conchs
               2 Family Aporrhaidae Gray, 1850 - pelican-foot snails
               3 Family †Colombellinidae Fischer, 1884
               4 Family †Pugnellidae Kiel & Bandel, 1999
               5 Family Seraphsidae Gray, 1853
               6 Family Struthiolariidae Gabb, 1868 - ostrich-foot snails
               7 Family †Thersiteidae Savornin, 1915
               8 Family †Tylostomatidae Stoliczka, 1868