Sigmodontinos (Mammalia, Rodentia) pleistocenicos del sudoeste de la provincia de Buenos Aires (Argentina): aspectos sistematicos, paleozoogeograficos y paleoambientales

U. F. J. Pardiñas; C. Deschamps

doi:10.3989/egeol.96525-6277

Sigmodontinos (Mammalia, Rodentia) pleistocenicos del sudoeste de la provincia de Buenos Aires (Argentina): aspectos sistematicos, paleozoogeograficos y paleoambientales

Authors

U. F. J. Pardiñas Departamento Científico Palentología Vertebrados, Museo de La Plata
C. Deschamps Ibídem, CIC

DOI:

https://doi.org/10.3989/egeol.96525-6277

Keywords:

Buenos Aires province (Argentina), early-middle Pleistocene, Mammalia, Rodentia, Sigmodontinae, Systematic, Paleoenvironments

Abstract

Severa1 sigmodontine remains from Ensenadan sediments (Early-Middle Pleistocene) of Bajo San José (southwestern Buenos Aires province) are described. The oldest records of Lundomys (Tribe Oryzomyini), Oxymycterus (Tribe Akodontini) and Phyllotis (Tribe Phyllotini) were recovered, together with Akodon cf. A. iniscatus, Akodon cf. A. azarae, Akodon sp., Reithrodon auritus, and Calomys cf. C. laucha-C. musculinus. Paleoenvironmental and paleozoogeographic data provided by these sigmodontines, together with those of &he remaining vertebrate fauna, prove a mixture of Brazilian and Patagonian species. The generic-specific composition characteristic of the modern cricetid associations of the Pampean Region was settled during the Ensenadan Age.

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Published

1996-12-30

How to Cite

Pardiñas, U. F. J., & Deschamps, C. (1996). Sigmodontinos (Mammalia, Rodentia) pleistocenicos del sudoeste de la provincia de Buenos Aires (Argentina): aspectos sistematicos, paleozoogeograficos y paleoambientales. Estudios Geológicos, 52(5-6), 367–379. https://doi.org/10.3989/egeol.96525-6277

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Issue

Vol. 52 No. 5-6 (1996)

Section

Articles

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