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 Conidae Fleming, 1822 - cone snails
               Subfamily Clathurellinae Adams & Adams, 1858
                 'tomopleurid' group of genera
                   1 Genus Drilliola Locard, 1897
                   2 Genus Microdrillia Casey, 1903
                   3 Genus Phenatoma Finlay, 1924
                   4 Genus Pulsarella Laseron, 1954
                   5 Genus Suavodrillia Dall, 1918
                   6 Genus Tomopleura Casey, 1904
                   7 ?Genus Austroturris Laseron, 1954
                   8 ?Genus Filodrillia Hedley, 1922
                   9 ?Genus Heteroturris Powell, 1967