Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Subphylum Cyrtosoma Runnegar & Pojeta Jr., 1974 see Phylum Mollusca Linnaeus, 1758
       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
             Genus Murex Linnaeus, 1758