NOTE ON RHEIFORMES (AVES: PALAEOGNATHAE) FROM A QUATERNARY CAVE IN THE LAGOA SANTA KARST, EASTERN BRAZIL
Rheiformes are a South American lineage of large, flightless palaeognathous birds, currently represented by the genus Rhea and the two extant species R. americana and R. pennata. The fossil record of the group extends back to the Eocene, with its greatest diversification occurring during the Neogene. During the Quaternary, Rheiformes were widely distributed across southern and central South…
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