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 Conoidea Fleming, 1822
             Family Turridae Adams & Adams, 1853 (1838) - turret snails
               Subfamily Zonulispirinae McLean, 1971
                 Genus Composodrillia Davies, Eames & Savage, 1975, orth. inval. see Genus Compsodrillia Woodring, 1928
                   1 Subgenus Mammillaedrillia Kuroda & Oyama, 1971