Order Galliformes Temminck, 1820 - fowl
   Family Cracidae Vigors, 1825 - chachalacas, curassows, guans
     Subfamily †Gallinuloidinae Lucas, 1900
       1 Genus †Gallinuloides Eastman, 1900
       2 Genus †Palaeortyx Milne-Edwards, 1869
       3 Genus †Ludiortyx Brodkorb, 1964
       4 Genus †Paraortyx Gaillard, 1908
       5 Genus †Pirortyx Brodkorb, 1964
       6 Genus †Procrax Tordoff & Macdonald, 1957
       7 Genus †Taoperdix Milne-Edwards, 1870