Order Anseriformes Wagler 1831 (waterfowl)
Parent taxon: Galloanserimorphae according to B. C. Livezey and R. L. Zusi 2007
Sister taxa: Diatrymiformes, Dromornithiformes, Galliformes
Subtaxa: Anhimae, Anseres, Palaeopapia, Paranyrocidae, Petropluvialis, Romainvillia
Ecology: volant herbivore