Reptilia - Ornithurae - Rheidae

PaleoDB taxon number: 83729

Synonym: Pterocnemia Gray 1870 (taxon 372678)

Parent taxon: Rheidae according to J. F. Clements et al. 2017

Sister taxa: Diogenornis, Heterorhea, Hinasuri, Opisthodactylus, Protorhea

Subtaxa: Rhea americana, Rhea fossilis, Rhea nana, Rhea pampeana, Rhea pennata, Rhea subpampeana, Rhea tarapacensis

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Ecology: ground dwelling herbivore