Vertebrata Cuvier, 1812 - vertebrates Gnathostomata Teleostomi Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988] Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758 Subclass †Archaeornithes Gadow, 1893 [monotypic] see Superorder Archaeornithes Gadow, 1893 1 Order †Archaeopterygiformes Fürbringer, 1888 [monotypic]