Order Anseriformes Wagler, 1831 - waterfowl and screamers Suborder Anseres Linnaeus, 1758 - waterfowl Family Anatidae Vigors, 1825 - ducks, geese, swans Subfamily Cereopsinae G.R. Gray - Cape Barren geese see Subfamily Anatinae Vigors, 1825 1 Genus ‡Cnemiornis Owen, 1865