Order Rheiformes (bird)

Aves - Rheiformes

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

See also Carroll 1988 and Livezey and Zusi 2007

Sister taxa: Ambiortiformes, Crypturi, Eremopezidae, Lithornidae, Palaeocursornithiformes, Palaeotididae, Patagopterygiformes, Ratitae, Remiornithiformes

Subtaxa: Rheidae

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Ecology: ground dwelling carnivore

Distribution:

• Quaternary of Argentina (11 collections), Bolivia (1)

• Montehermosan of Argentina (3)

• Neogene of Argentina (1)

• Miocene of Argentina (3)

• Paleocene to Eocene of Brazil (1)

Total: 20 collections including 21 occurrences

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