Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758 Order Galliformes Temminck, 1820 - fowl Family Megapodiidae Lesson, 1831 - megapodes