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 Cochlespirinae Powell, 1942
                 01 Genus Abyssocomitas Sysoev & Kantor, 1986
                 02 Genus Aforia Dall, 1889
                 03 Genus Anticomitas Powell, 1942
                 04 Genus Antimelatoma Powell, 1942
                 05 Genus Antiplanes Dall, 1902
                 06 Genus Ancistrosyrinx Dall, 1881
                 07 Genus Apiotoma Cossmann, 1889
                 08 Genus Carinoturris Bartsch, 1944
                 09 Genus Clavosurcula Schepman, 1913
                 10 Genus Cochlespira Conrad, 1865
                 11 Genus Comitas Finlay, 1926
                 12 Genus Fusiturricula Woodring, 1928
                 13 Genus Knefastia Dall, 1919
                 14 Genus Leucosyrinx Dall, 1889
                 15 Genus Marshallena Allan, 1927
                 16 Genus Megasurcula Casey, 1904
                 17 Genus Nihonia MacNeil, 1960
                 18 Genus Paracomitas Powell, 1942
                 19 Genus Parasyrinx Finlay, 1924
                 20 Genus Pyrgospira McLean, 1971
                 21 Genus Rhodopetoma Bartsch, 1944
                 22 Genus Schepmania Shuto, 1970, nom. illeg. see Genus Shutonia van der Bijl, 1993
                 23 ?Genus Micropleurotoma Thiele, 1929