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 †Placodermiomorphi [monotypic] Class †Placodermi McCoy, 1848 Order †Petalichthyiformes Genus †Macropetalichthys Norwood & Owen, 1846