Family Rheidae Bonaparte 1849 (rhea)
Aves - Rheiformes - Rheidae
Parent taxon: Rheiformes according to J. F. Clements et al. 2017
See also Carroll 1988, del Hoyo et al. 2014, Lambrecht 1933, Livezey and Zusi 2007, Mayr 2009, Moreno and Mercerat 1891, Noriega et al. 2017, Rovereto 1914 and Tambussi et al. 2023
Sister taxa: none
Subtaxa: Diogenornis Heterorhea Hinasuri Opisthodactylus Protorhea Rhea
Ecology: ground dwelling carnivore
Distribution: