Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct.
       Vertebrata Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
         Myopterygii Janvier, 1978 - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Chondrichthiomorphi see Grade Chondrichthyomorphi
               Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
                 Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes see Infraclass Elasmobranchii Bonaparte, 1838
                   Infraclass Euselachii Hay, 1902 - sharks and rays, and related fossils see Subclass Euselachii Hay, 1902
                     Division Neoselachii Compagno, 1977 see Infraclass Elasmobranchii Bonaparte, 1838
                       Subdivision Batoidea - rays
                         [plesion] Genus †Asterodermus Agassiz, 1843
                         [plesion, p.p.] Genus †Belemnobatis Thiollière, 1854
                         [plesion, p.p.] Genus †Spathobatis Thiollière, 1849
                         Family †Cyclobatidae Jaekel, 1911, incertae sedis
                         Family †Sclerorhynchidae Capetta, 1974, "nom. praeval.", incertae sedis
                         Genus †Iansan Brito & Seret, 1996, incertae sedis
                         Order Torpediniformes de Buen, 1926 - electric rays
                         Order Rajiformes Berg, 1940 - skates
                         Order Myliobatiformes Compagno, 1973 - stingrays
                         Order Pristiformes [monotypic] - guitarfishes and sawfishes see Order Rhinopristiformes Naylor, Caira, Jensen, Rosana, Straube & Lakner, 2012
                           1 Family Pristidae Bonaparte, 1835 - sawfishes