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DIGITAL.CSIC
Article . 2015 . Peer-reviewed
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El registro Pleistoceno de Equus (Amerhippus) e Hippidion (Mammalia, Perissodactyla) de Brasil. Consideraciones paleoecológicas y biogeográficas

Authors: Alberdi, María Teresa; Cartelle, Cástor; Prado, José Luis;

El registro Pleistoceno de Equus (Amerhippus) e Hippidion (Mammalia, Perissodactyla) de Brasil. Consideraciones paleoecológicas y biogeográficas

Abstract

[ES] Se describen y determinan taxonómicamente los fósiles de Equidae de las localidades brasileñas. Se han comparado los restos postcraneales (McIII, MtIII, AS, CAL, 1FIII) de Brasil con los restos de otras localidades de América del Sur mediante análisis multivariados. Los resultados de estos análisis indican que la especie Equus (Amerhippus) neogeus Lund está representada en todas las localidades de Brasil. Igualmente Hippidion principale (Lund) y H. devillei (Gervais) están presentes en Brasil, el primero agrupa los restos de gran tamaño, y el segundo los más pequeños en talla. Las tres especies están representadas en la localidad de Toca dos Ossos (Bahía). Equus (A.) neogeus también está presente en la localidad de Lage Grande (Pesqueira). Nosotros asignamos el material descrito por Souza Cunha como Equus (A.) vandoniia Equus (A.) neogeus Lund. Así mismo, se actualiza la distribución y fechados aproximados de las principales localidades con équidos de Brasil. También se discute el papel de la dispersión desde el norte y se examinan sus implicaciones paleobiogeográficas.

[EN] Fossil remains belonging to Equidae from Brazilian localities are described and taxonomically determined. We compared the postcranial (McIII, MtIII, AS, CAL, 1FIII) remains from Brazil with other remains from several localities of South America using multivariate analysis. The results indicate that Equus (Amerhippus) neogeusLund is represented in all localities of Brazil. In the same way, Hippidion principale (Lund) and H. devillei (Gervais) are present in Brazil, the first grouped the large remains, and the second the smaller ones. The three species are present in Toca dos Ossos. Equus (A.) neogeusis also present in Lage Grande. We assigned the material described by Souza Cunha as Equus (A.) vandoniito Equus (A.) neogeus. We present an up-to-date fossil distribution and approximate date of the main localities. We discuss the role of dispersal from the North and examine the palaeobiogeographical implications.

Este trabajo ha sido posible gracias al Proyecto conjunto de investigación con Ibero América (AECI 2000) y PB97-1250 de la DGICYT, España.

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Spain
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Keywords

Taxonomía, Distribución, Equus (Amerhippus), Stratigraphy, Brasil, América del Sur, Estratigrafía, Distribution, South America, Plio-Pleistocene, Plio-Pleistoceno, Hippidion, Brazil, Taxonomy

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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