[Phylum] Chordata Bateson, 1885 - chordates
   Subphylum Craniata auct.
     Infraphylum Vertebrata Lamarck, 1801 - vertebrates
       Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
         Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
           Subclass Euselachii Hay, 1902 - sharks, rays, and related fossils
             Infraclass Elasmobranchii Bonaparte, 1838
               Division Batomorphi - rays
                 Order Myliobatiformes Compagno, 1973 - stingrays
                   Suborder Myliobatoidei Compagno, 1973 see Order Myliobatiformes Compagno, 1973
                     01 Family †Rhombodontidae Cappetta, 1987
                     02 Family Zanobatidae Fowler, 1934 - panrays
                     03 Family Hexatrygonidae Heemstra & Smith, 1980 - sixgill stingrays
                     04 Family Dasyatidae Jordan & Gilbert, 1879 - whiptail stingrays
                     05 Family Potamotrygonidae Garman, 1877 - neotropical stingrays
                     06 Family Urotrygonidae McEachran, Dunn & Miyake, 1996 - American round stingrays
                     07 Family Gymnuridae Fowler, 1934 - butterfly rays
                     08 Family Plesiobatidae Nishida, 1990 - deepwater stingrays
                     09 Family Urolophidae Müller & Henle, 1841 - round stingrays
                     10 Family Aetobatidae Agassiz, 1858 - pelagic eagle rays
                     11 Family Myliobatidae Bonaparte, 1835 - eagle rays
                     12 Family Rhinopteridae Jordan & Evermann, 1896 - cownose rays
                     13 Family Mobulidae Gill, 1893 - mantas