Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
     Pisces
       Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
         Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes
           Order Myliobatiformes Compagno, 1973 - stingrays
             Family Dasyatidae Jordan, 1888 - stingrays
             Family †Distobatidae Werner, 1989
             Family Gymnuridae Fowler, 1934 - butterfly rays
             Family Hexatrygonidae Heemstra & Smith, 1980 - sixgill stingrays
             Family Mobulidae Gill, 1893 see Subfamily Mobulinae (Gill, 1893)
             Family Myliobatidae Bonaparte, 1835
             Family Plesiobatididae Nishida, 1990 see Family Plesiobatidae Nishida, 1990
             Family Potamotrygonidae Garman, 1877 - river stingrays
             Family Urolophidae Müller & Henle, 1841 - round stingrays