Postcranial remains associations in paleogene native ungulates

Authors

  • Javier Nicolás GELFO División Paleontología de Vertebrados, Museo de La Plata, Facultad de Ciencias Naturales y Museo, UNLP.
  • Malena LORENTE

Abstract

The native ungulates of the Cenozoic of South America included several extinct groups, that according to different authors belong to the orders Litopterna (including Noptoterna), Notoungulata, Xenungulata (including Trigonostylopoidea), Astrapotheria and Pyrotheria. To them is added an early radiation of “condylarths”, represented by the Mioclaenidae Kollpaniinae and the Didolodontidae, usually linked to the origin of these groups. The didolodontids (mid Pale ocene- Oligocene?) have been described exclusively by dental remains, without any postcranial elements directly associated. This constrains the phylogenetic hypothesis to the use of dental characters. However, postcranial remains have been referred to didolod ontids. In the present paper, we perform a prelim inary analysis of (1) the morphology and the assignation of two left astragali to the genus Didolodus (Patagonia E ocene) without any explicit criteria for association, corresponding to AMNH 117457 and MACN-CA 10737; and (2) we evaluated the utility of the tools used to make association hipótesis within dental and postcranial remains until the present.

Keywords : native ungulates, postcranium, associations, astragalus, Didolodus.

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References

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How to Cite

GELFO, J. N., & LORENTE, M. (2014). Postcranial remains associations in paleogene native ungulates. Revista Ciencias Morfológicas, 12(2). Retrieved from https://revistas.unlp.edu.ar/Morfol/article/view/913

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