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 Architaenioglossa Haller, 1890
           Superfamily Cerithioidea Fleming, 1822
             Family Cerithiidae Fleming, 1822 - ceriths
               Subfamily Cerithiinae Fleming, 1822
                 Genus Cerithium Bruguière, 1789
                   1 Subgenus Conocerithium Sacco, 1895
                   2 Subgenus Chondrocerithium Monterosato, 1906
                   3 Subgenus Ischnocerithium Thiele, 1929
                   4 Subgenus Semivertagus Cossmann, 1889
                   5 Subgenus Litteracerithium Grundel, 1982