[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
                 1 Order Torpediniformes de Buen, 1926 - electric rays
                 2 Order Rajiformes Berg, 1940 - skates
                 3 Order Rhinopristiformes Naylor, Caira, Jensen, Rosana, Straube & Lakner, 2012
                 4 Order †Sclerorhynchiformes Kriwet, 2004
                 5 Order Myliobatiformes Compagno, 1973 - stingrays