Order Ralliformes Reichenbach, 1854 - marsh birds and allies Suborder Cariamae (Wagler, 1830) Fürbringer, 1888 - seriemas and allies Family Cariamidae Bonaparte, 1853 - seriemas Subfamily †Prophororhacinae P. Brodkorb, 1967 Genus †Prophororhacus Rovereto, 1914