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 Cerithiidae Fleming, 1822 - ceriths
                   1 Subfamily Bittiinae Cossmann, 1906
                   2 Subfamily Cerithiinae Fleming, 1822