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 Turrinae Adams & Adams, 1853 (1838)
                 01 Genus Cryptogemma Dall, 1918
                 02 Genus Decolidrillia Vaught, 1989, orth. inval. see Genus Decollidrillia Habe & Ito, 1965
                 03 Genus Epidirella Iredale, 1931
                 04 Genus Eopleurotoma Cossmann, 1889
                 05 Genus Epalxis Cossmann, 1889
                 06 Genus Fusiturris Thiele, 1929
                 07 Genus Gemmula Weinkauff, 1875
                 08 Genus Lophiotoma Casey, 1904
                 09 Genus Lucerapex Powell, 1942
                 10 Genus Oxyacrum Cossmann, 1889
                 11 Genus Polystira Woodring, 1928
                 12 Genus Turris Röding, 1798