Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct. see Subphylum Vertebrata Cuvier, 1812
       Vertebrata (Lamarck, 1801) - vertebrates see Subphylum Vertebrata Cuvier, 1812
         Myopterygii - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Chondrichthiomorphi
               Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
                 Subclass Holocephali Bonaparte, 1832
                   Superorder Holocephalimorpha (Lund, 1986)
                     Cochliodontomorpha
                       Order Chimaeriformes Obruchev, 1953 - chimaeras
                         Suborder †Myriacanthoidei Patterson, 1965
                           Family †Myriacanthidae Woodward, 1889
                             1 Genus †Acanthorhina Fraas, 1910
                             2 Genus †Agkistracanthus Duffin & Furrer, 1981
                             3 Genus †Halonodon Duffin, 1984
                             4 Genus †Myriacanthus Agassiz, 1837