Biography:

Since my PhD dissertation I participated in numerous field work projects in Argentina and Antarctica. I directed my own studies on the paleobiology of South American fossil vertebrates, mostly mammals. I have published results in International journals such us Paleobiology, Letahia, Journal of Vertebrate Paleontology, Journal of Mammalian Evolution, and Journal of Zoology; Zoological Journal of the Linnean Society among others. In 1996 I was awarded the Miguel F. Soria (h) Prize by the Asociacin Paleontologica Argentina and I became the President of that Association for the period 2003-2004. I edited several special volumes and a book.

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