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Título: The first mammal assemblages from the Malargüe Group: Implications for the Paleogene evolution of the northern Neuquén Basin (Argentina)
Autor(es): Vera, Bárbara
Tunik, Maisa Andrea
Cerdeño, Esperanza
Fecha de publicación: abr-2020
Editorial: Elsevier Science Ltd
Citación: Vera, B., Tunik, M., & Cerdeño, E. (2020). The first mammal assemblages from the Malargüe Group: Implications for the Paleogene evolution of the northern Neuquén Basin (Argentina). Elsevier Science Ltd; Journal of South American Earth Sciences; 99; 102498.
Revista: Journal of South American Earth Sciences
Abstract: We present two new Paleogene fossiliferous sites that provide the first mammal remains for the Malargüe Group in the Neuquén basin of southeastern Mendoza Province, Argentina. Identified taxa from Agua de Flores-Agua de Isaac: Kibenikhoria sp., Oldfieldthomasiidae indet., ?Henricosborniidae indet., and a large Notoungulata probably related to the Isotemnidae. Taxa from Liu Malal: cf. Kibenikhoria and Notopithecidae gen. et sp. nov. Based on facies composition and geological distribution, we consider that the Cenozoic deposits from these fossiliferous localities correspond to the already defined Puesto Fortunata Formation. This unit is correlated to the Coihueco Formation, the top of the Malargüe Group in the northern Neuquén basin, and its mammal content supports the proposed hiatus between the ~40 Ma and 20 Ma based on chronostratigraphy. The presence of Kibenikhoria in the local faunas of southeastern Mendoza extends the geographic range of this genus so far known in Patagonia to central-west areas of Argentina and supports an early-middle Eocene age for the fossil-bearing levels of the Puesto Fortunata Formation.
Resumen: -
URI: https://www.sciencedirect.com/science/article/pii/S0895981120300110
http://rid.unrn.edu.ar/handle/20.500.12049/5640
Identificador DOI: https://doi.org/10.1016/j.jsames.2020.102498
ISSN: 0895-9811
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