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Xenungulata


The Xenungulata form a small group of rather obscure South American mammals from the Paleocene. The Pyrotheria are sometimes included in this group but recent analysis indicate that they are more closely related to the Notoungulates.

Xenungulata

    Carodniidae
        Carodnia (Rio Chico &
Peñas Coloradas Fm, Up. Paleoc., Argentina; Paleoc., Brazil)

    Etayoidae
        Etayoa (Mi. Paleoc., Colombia)
        Notoetayoa
(Peñas Coloradas Fm, Paleoc., Argentina)


Phylogeny:

--- Xenungulata ------------------ Carodnia
                                |
                                -------------  Notoetayoa
                                    |
                                    ---------- Etayoa


References:
Gelfo, J.N., López, G.M. y Bond, M. 2008. A new Xenungulata (Mammalia) from the Paleocene of Patagonia, Argentina. Journal of Paleontology 82 (2):  pp. 329-335.


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