Subclass Neornithes Gadow, 1893
see Clade Neornithes Gadow, 1893
Infraclass Neoaves Sibley et al., 1988
see Subcohort Neoaves Sibley et al., 1988
Parvclass Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
Superorder Anserimorphae
see Order Anseriformes Wagler, 1831
Order Anseriformes Wagler, 1831 - waterfowl and screamers
Infraorder Anserides
see Suborder Anseres Linnaeus, 1758
1 Family Dendrocygnidae - whistling-ducks
see Subfamily Dendrocygninae Reichenbach
2 Family Anatidae Vigors, 1825 - ducks, geese, swans