Family Anatidae Vigors 1825 (duck)
Parent taxon: Anatoidea according to B. C. Livezey and R. L. Zusi 2007
Sister taxa: Anatalavis, Presbyornithidae, Vegavis
Subtaxa: Anas, Anatinae, Anserinae, Centrornis, Cereopsinae, Chenonetta, Chloephaga, Cnemiornis, Cygnopterus, Cygnus, Dendrochen, Dendrocheninae, Dendrocygna, Dendrocygninae, Eonessinae, Geochen, Hymenolaimus, Lophodytes, Mergus, Olar, Oxyurinae, Paracygnopterus, Sinanas, Tadorna, Tadorninae, Thambetochen
Ecology: volant herbivore