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 Turbinellidae Swainson, 1835
               Subfamily Ptychatractinae Stimpson, 1865 see Family Ptychatractidae Stimpson, 1865
                 1 Genus Ptychatractus Stimpson, 1865
                 2 Genus Benthovoluta Kuroda & Habe, 1950
                 3 Genus Ceratoxancus Kuroda, 1952
                 4 Genus Latiromitra Locard, 1897
                 5 Genus Metzgeria Norman, 1879
                 6 Genus Surculina Dall, 1908