Phylum Mollusca Linnaeus, 1758 - molluscs
   Subphylum Conchifera Gegenbauer, 1878
     Class Gastropoda Cuvier, 1795 - snails and slugs
       Subclass Orthogastropoda Ponder & Lindberg, 1995
         Superorder Caenogastropoda Cox, 1960
           Order Sorbeoconcha Ponder & Lindberg, 1997
             Suborder Discopoda Fischer, 1884
               Superfamily Cerithioidea Fleming, 1822
                 Family Turritellidae Lovén, 1847 - turret snails
                   1 Subfamily Turritellinae Lovén, 1847
                   2 Subfamily Vermiculariinae Dall, 1913