[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
           Order †Phoebodontiformes Ginter, Hairapetian & Klug, 2002
             1 Family †Phoebodontidae Williams, 1985, "nom. praeval."
             2 Family †Jalodontidae Ginter, Hairapetian & Klug, 2002