Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Suborder Neotaenioglossa Haller, 1882 see Order Sorbeoconcha Ponder & Lindberg, 1997
           Superfamily Stromboidea Rafinesque, 1815
             1 Family Struthiolariidae Gabb, 1868 - ostrich-foot snails
             2 Family Aporrhaiidae E.A. Smith, 1896, orth. inval. see Family Aporrhaidae Gray, 1850
             3 Family Strombidae Rafinesque, 1815 - conchs
             4 Family Seraphsidae Gray, 1853