Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801 Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758 Order †Protoaviformes Chatterjee, 1991, nom. dub.