Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Neogastropoda Wenz, 1938 see Suborder Neogastropoda Wenz, 1938
         Suborder Stenoglossa Bouvier, 1887
           Superfamily Muricoidea Rafinesque, 1815
             Family Buccinidae Rafinesque, 1815 - whelks
               Subfamily Pisaniinae Gray, 1857
                 Genus Cantharus Röding, 1798
                   1 Subgenus Clivipollia Iredale, 1929
                   2 Subgenus Endopachychilus Cossmann, 1889
                   3 Subgenus Enginella Monterosato, 1917
                   4 Subgenus Eocantharus Clark, 1938
                   5 Subgenus Prodotia Dall, 1924 see Genus Prodotia Dall, 1924
                   6 Subgenus †Zeapollia Finlay, 1927