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 Fasciolariidae Gray, 1853 - tulip snails
               Subfamily Fusininae Wrigley, 1927
                 1 Genus Fusinus Rafinesque, 1815
                 2 Genus Buccinofusus Conrad, 1868, nom. illeg. see Genus Conradconfusus Snyder, 2002
                 3 Genus Granulofusus Vaught, 1989, orth. inval. see Genus Granulifusus Kuroda & Habe, 1954
                 4 Genus Trophonofusus Kuroda & Habe, 1971