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 Muricoidea Rafinesque, 1815
             Family Muricidae Rafinesque, 1815 - drills
               Subfamily Ocenebrinae Cossmann, 1903
                 01 Genus Ocenebra Gray, 1847
                 02 Genus Bedeva Iredale, 1924
                 03 Genus Ceratostoma Herrmannsen, 1846
                 04 Genus Crassilabrum Jousseaume, 1880
                 05 Genus Eupleura Adams & Adams, 1853
                 06 Genus Genkaimurex Kuroda, 1953
                 07 Genus Hadriania Bucquoy & Dautzenberg, 1882
                 08 Genus Jaton Pusch, 1837
                 09 Genus Lyropurpura Jousseaume, 1880
                 10 Genus Namamurex Carrington & Kensley, 1969
                 11 Genus Ocinebrina Jousseaume, 1880
                 12 Genus Pteropurpura Jousseaume, 1880
                 13 Genus Pterorytis Conrad, 1863
                 14 Genus Trachypollia Woodring, 1928
                 15 Genus Urosalpinx Stimpson, 1865
                 16 Genus Vaughtia Houart, 1995
                 17 Genus Trochia Swainson, 1840
                 18 Genus Nucella Röding, 1798
                 19 Genus Forreria Jousseaume, 1880
                 20 Genus Acanthina Fischer von Waldheim, 1807
                 21 Genus Haustrum Perry, 1811