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 Buccinidae Rafinesque, 1815 - whelks
               Subfamily Photinae Gray, 1857 see Subfamily Pisaniinae Gray, 1857
                 01 Genus Phos Montfort, 1810
                 02 Genus Antillophos Woodring, 1928
                 03 Genus Chlanidota Martens, 1878
                 04 Genus Cominella Gray, 1850
                 05 Genus Fax Iredale, 1925
                 06 Genus Nassaria Link, 1807
                 07 Genus Neoteron Pilsbry & Lowe, 1932
                 08 Genus Northia Gray, 1847
                 09 Genus Pareuthria Strebel, 1905
                 10 Genus Parviphos Sarasua, 1984
                 11 Genus Searlesia Harmer, 1914
                 12 Genus Trajana Gardner, 1948
                 13 Genus Triumphis Gray, 1856
                 14 ?Genus Perunassa Olsson, 1932