Family Anhimidae Stejneger 1885 (waterfowl)
Aves - Anseriformes - Anhimidae
Parent taxon: Anhimae according to B. C. Livezey and R. L. Zusi 2007
See also Carroll 1988, del Hoyo et al. 2014, Livezey 1997 and Worthy et al. 2017
Sister taxa: none
Subtaxa: Anhima Chauna Chaunoides
Ecology: volant herbivore
Distribution: found only at Santa Fé Farm (Oligocene of Brazil)