Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
     Pisces
       Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
         Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes see Infraclass Elasmobranchii Bonaparte, 1838
           Order Myliobatiformes Compagno, 1973 - stingrays
             Family Dasyatidae Jordan & Gilbert, 1879 - whiptail stingrays
             Family †Distobatidae Werner, 1989
             Family Gymnuridae Fowler, 1934 - butterfly rays
             Family Hexatrygonidae Heemstra & Smith, 1980 - sixgill stingrays
             Family Mobulidae Gill, 1893 - mantas
             Family Myliobatidae Bonaparte, 1835 - eagle rays
             Family Plesiobatididae Nishida, 1990 see Family Plesiobatidae Nishida, 1990
             Family Potamotrygonidae Garman, 1877 - neotropical stingrays
             Family Urolophidae Müller & Henle, 1841 - round stingrays