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 Costellariidae MacDonald, 1860
               1 Genus †Mesorhytis Meek, 1876
               2 Genus Vexillum Röding, 1798
               3 Genus Austromitra Finlay, 1927
               4 Genus Conomitra Conrad, 1865
               5 Genus Nodicostellaria Petuch, 1987
               6 Genus Thala Adams & Adams, 1853
               7 Genus Turricostellaria Petuch, 1987
               8 Genus Zierliana Gray, 1847