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 Crassispirinae McLean, 1971
                 01 Genus Crassispira Swainson, 1840
                 02 Genus Aoteadrillia Powell, 1942
                 03 Genus Austrodrillia Hedley, 1918
                 04 Genus Belalora Powell, 1951
                 05 Genus Buchema Corea, 1934
                 06 Genus Calcatodrillia Kilburn, 1988
                 07 Genus Carinodrillia Dall, 1919
                 08 Genus Carinapex Dall, 1924
                 09 Genus Ceritoturris Dall, 1924
                 10 Genus Conorbela Powell, 1951
                 11 Genus Conticosta Laseron, 1954
                 12 Genus Crassiclava McLean, 1971
                 13 Genus Doxospira McLean, 1971
                 14 Genus Epideira Hedley, 1918
                 15 Genus Funa Kilburn, 1988
                 16 Genus Haedropleura Bucquoy, Dautzenberg & Dollfus, 1883
                 17 Genus Hindsiclava Hertlein & Strong, 1955
                 18 Genus Inodrillia Bartsch, 1943
                 19 Genus Inquisitor Hedley, 1918
                 20 Genus Kurilohadalia Sysoev & Kantor, 1986
                 21 Genus Lioglyphostoma Woodring, 1928
                 22 Genus Maesiella McLean, 1971
                 23 Genus Mauidrillia Powell, 1942
                 24 Genus Miraclathurella Woodring, 1928
                 25 Genus Naskia Sysoev & Ivanov, 1985
                 26 Genus Naudedrillia Kilburn, 1988
                 27 Genus Nquma Kilburn, 1988
                 28 Genus Paradrillia Makiyama, 1940
                 29 Genus Plicisyrinx Sysoev & Kantor, 1986
                 30 Genus Pseudexomilus Powell, 1944
                 31 Genus Psittacodrillia Kilburn, 1988
                 32 Genus Ptychobela Thiele, 1925
                 33 Genus Turridrupa Hedley, 1922
                 34 Genus Viridrillia Bartsch, 1943