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 Nassariidae Iredale, 1916 (1835) - mud snails
               Subfamily Nassariinae Iredale, 1916 (1835)
                 1 Genus Nassarius Duméril, 1806
                 2 Genus Hebra Adams & Adams, 1853
                 3 Genus Demoulia Gray, 1838
                 4 Genus Cyclope Risso, 1826