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Fossil land mammals from ten localities of southern Buenos Aires Province, Argentina …


Biology Articles » Paleobiology » Late Cenozoic mammal bio-chronostratigraphy in southwestern Buenos Aires Province, Argentina

Abstract
- Late Cenozoic mammal bio-chronostratigraphy in southwestern Buenos Aires Province, Argentina

Late Cenozoic mammal bio-chronostratigraphy in southwestern Buenos Aires Province, Argentina

Cecilia M. Deschamps 1

1 Departamento de Paleontología Vertebrados, Museo de La Plata. Paseo del Bosque s/n, 1900 La Plata, Argentina. CIC. ceci@museo.fcnym.unlp.edu.ar

Abstract. Fossil land mammals from ten localities of southern Buenos Aires Province, Argentina were studied. A new stratigraphic pattern based on materials with reliable stratigraphic provenance is proposed and compared to that of the central-east of the Pampean region. Correlation of fauna and calibration to the time scale suggest that the interval represented in the study area encompasses from the Late Miocene (Huayquerian Age) to the Present. Six biozones were defined for this lapse: Xenodontomys ellipticus Zone, Plohophorus cuneiformis-Actenomys priscus Zone, Ctenomys kraglievichi Zone, Equus ( A .) neogaeus-Macrauchenia patachonica Zone, Ozotoceros bezoarticus Zone, and Bos taurus-Ovis aries Zone. They are correlated within a chronostratigraphic chart.

Ameghiniana, Sept./Dec. 2005, vol.42, no.4, p.733-750.


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