Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Chordata Bateson, 1885 - chordates
     Craniata auct.
       Vertebrata Lamarck, 1801 - vertebrates
         Gnathostomata Gegenbaur, 1874 - jawed vertebrates
           Eugnathostomata
             Chondrichthyes Huxley, 1880 - cartilaginous fishes
               Euselachii Hay, 1902 - sharks, rays, and related fossils
                 Elasmobranchii Bonaparte, 1838
                   Batomorphi - rays
                     Myliobatiformes Compagno, 1973 - stingrays
                       Myliobatoidei Compagno, 1973 see Order Myliobatiformes Compagno, 1973
                         Myliobatidae Bonaparte, 1835 - eagle rays