Neornithes Gadow, 1893 - living birds
Neognathae Pycraft 1900
see Cohort Neognathae Pycraft, 1900
Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
[Order] Anseriformes Wagler, 1831 - waterfowl and screamers
Family Anatidae Vigors, 1825 - ducks, geese, swans
Subfamily Anserinae Vigors, 1825 - geese
Genus Coscoroba Reichenbach, 1853 [monotypic]
1 Coscoroba coscoroba (Molina, 1782) - Coscoroba swan