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A review of the Quaternary Scelidotheriinae (Mammalia, Xenarthra, Tardigrada) from the Tarija-Padcaya basin, Bolivia

Overview of attention for article published in Anais da Academia Brasileira de Ciências, January 2019
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Title
A review of the Quaternary Scelidotheriinae (Mammalia, Xenarthra, Tardigrada) from the Tarija-Padcaya basin, Bolivia
Published in
Anais da Academia Brasileira de Ciências, January 2019
DOI 10.1590/0001-3765201720170390
Pubmed ID
Authors

ÁNGEL R. MIÑO-BOILINI, ALFREDO A. CARLINI, ALFREDO E. ZURITA, ESTEBAN SOIBELZON, SANTIAGO M. RODRÍGUEZ-BUALÓ

Abstract

The Mylodontidae Scelidotheriinae (Mammalia, Xenarthra, Tardigrada) are a diversified clade of South American fossil ground sloths, with a wide geographic distribution, especially in high and middle latitudes. According to the last revision, the Quaternary diversity includes the genera Scelidotherium, Catonyx, and Valgipes. The clade Scelidotheriinae is well represented in the Pleistocene of the Tarija-Padcaya basin, and the first mention of these ground sloths correspond to the middle of the XIX Century. Since then, several species (i.e., Scelidotherium tarijensis, Scelidodon tarijensis, Scelidotherium capellini) have been reported as inhabiting the Tarija-Padcaya basin during the Pleistocene. Despite the abundance of fossil records of Scelidotheriinae in this area, no modern taxonomic revisions are available. In consequence, in this contribution a revision of the remains assigned to Scelidotheriinae from the Tarija-Padcaya basin is accomplished, and some biostratigraphic and geographic implications are discussed. Our results show that one single species (Catonyx tarijensis) can be recognized in the studied area, whereas a supposed smaller one (Scelidotherium patrium) actually corresponds to juvenile specimens of C. tarijensis.

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Geographical breakdown

Country Count As %
Unknown 12 100%

Demographic breakdown

Readers by professional status Count As %
Other 3 25%
Student > Doctoral Student 2 17%
Student > Ph. D. Student 2 17%
Researcher 2 17%
Student > Bachelor 1 8%
Other 0 0%
Unknown 2 17%
Readers by discipline Count As %
Earth and Planetary Sciences 5 42%
Agricultural and Biological Sciences 3 25%
Environmental Science 1 8%
Unknown 3 25%