Order Ralliformes Reichenbach, 1854 - marsh birds and allies
Suborder Grues Bonaparte, 1854 - cranes, limpkins, trumpeters
Family Aramidae Bonaparte, 1849 - limpkins
1 Genus †Aminornis Ameghino, 1899
2 Genus †Loncornis Ameghino, 1899
3 Genus †Badistornis Wetmore, 1940
4 Genus †Gnotornis Wetmore, 1942
5 Genus †Aramornis Wetmore, 1926