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
           1 Superfamily Muricoidea Rafinesque, 1815
           2 Superfamily Cancellarioidea Forbes & Hanley, 1851 [monotypic]
           3 Superfamily Conoidea Fleming, 1822