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 Cracidae Vigors, 1825 - chachalacas, curassows, guans