Order Galliformes Temminck, 1820 - fowl Family Cracidae Vigors, 1825 - chachalacas, curassows, guans Subfamily Penelopinae Bonaparte, 1831 - guans 1 Genus †Palaeonossax Wetmore, 1956 2 Genus †Boreortalis Brodkorb, 1954 3 Genus †Anisolornis Ameghino, 1891