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 Muricidae Rafinesque, 1815 - drills
               Subfamily Muricinae Rafinesque, 1815
                 Genus Chicoreus Montfort, 1810
                   1 Subgenus Chicoreus Montfort, 1810
                   2 Subgenus Chicopinnatus Houart, 1992
                   3 Subgenus Phyllonotus Swainson, 1833
                   4 Subgenus Triplex Perry, 1810
                   5 Subgenus Siratus Jousseaume, 1880