Aportes paleobiológicos sobre la familia Ursidae en la península ibérica durante el Pleistoceno Medio: Ursus arctos Linnaeus, 1789, Ursus thibetanus (Cuvier, 1823) y Ursus deningeri von Reichenau, 1904
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2022
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06/06/2022
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Universidad Complutense de Madrid
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El Pleistoceno Medio es un periodo que abarca desde hace 780 mil hasta hace 128mil años. Este periodo tiene una gran importancia para el estudio de la prehistoria ya que en ese momento tienen lugar diversos cambios faunísticos que conocemos en la actualidad. El descubrimiento de nuevos yacimientos de este rango cronológico es vital parapara la comprensión de los ecosistemas en los que habitaron los primeros representantes del linaje de los neandertales. Durante esa edad tres especies del género Ursus habitaron en la península ibérica: el oso pardo (U. arctos), el oso negro tibetano (U. thibetanus) y el oso de Deninger (U. deningeri). Esta tesis se ha realizado con los objetivos mediante la observación de su distribución geográfica y de estudio de nuevos restos de estas especies y el estudio de su tamaño y forma a partir de las mandíbulas y la dentición. El oso pardo habita actualmente en Europa, Asia y América del Norte. Durante el final del Pleistoceno Medio habitó en la península ibérica, pero sus restos son escasos y se localizan principalmente en la mitad sur de la península ibérica. A día de hoy se desconocen yacimientos con oso pardo que ocupen ese lapso temporal y que puedan aclarar a través de qué zona y en qué momento se produjo la entrada de esta especie en el sur de la península ibérica...
The Middle Pleistocene is a period that spans from 780,000 to 128,000 years ago.This period is of great importance for the study of Prehistory, and several faunal changes that we know about today took place during this time. The discovery of new sites from this chronological range is vital for the understanding of the ecosystems inhabited by the first representatives of the Neandertal lineage in Europe. During this age, three species of the genus Ursus inhabited the Iberian Peninsula: the brown bear (U. arctos), the Thibetan black bear (U. thibetanus) and Deninger’s bear (U. deningeri). This Dissoertation has been carried out with the objectives of observing their geographical distribution and studying new remains of these species and studying their size and shape from their mandibles and dentition.The brown bear currently inhabits Europe, Asia and North America. During the end of the Middle Pleistocene this species inhabited the Iberian Peninsula. Fossil remains are scarce and are mainly located in the southern half of the Iberian Peninsula. During Middle Pleistocene they habited in the Iberian Peninsula, but their fossils remain are scarce and they are mainly located in the southern half of the peninsula. The oldest evidence in the Iberian Peninsula is from c. 250 ka, which is 300 ka younger than the oldest European records (~550 ka; L’Arago). Up until now, there is no information about Middle Pleistocene sites with brown bear dated during this temporary lapse. And there is either information of this species’ entrance into the southern of Iberia...
The Middle Pleistocene is a period that spans from 780,000 to 128,000 years ago.This period is of great importance for the study of Prehistory, and several faunal changes that we know about today took place during this time. The discovery of new sites from this chronological range is vital for the understanding of the ecosystems inhabited by the first representatives of the Neandertal lineage in Europe. During this age, three species of the genus Ursus inhabited the Iberian Peninsula: the brown bear (U. arctos), the Thibetan black bear (U. thibetanus) and Deninger’s bear (U. deningeri). This Dissoertation has been carried out with the objectives of observing their geographical distribution and studying new remains of these species and studying their size and shape from their mandibles and dentition.The brown bear currently inhabits Europe, Asia and North America. During the end of the Middle Pleistocene this species inhabited the Iberian Peninsula. Fossil remains are scarce and are mainly located in the southern half of the Iberian Peninsula. During Middle Pleistocene they habited in the Iberian Peninsula, but their fossils remain are scarce and they are mainly located in the southern half of the peninsula. The oldest evidence in the Iberian Peninsula is from c. 250 ka, which is 300 ka younger than the oldest European records (~550 ka; L’Arago). Up until now, there is no information about Middle Pleistocene sites with brown bear dated during this temporary lapse. And there is either information of this species’ entrance into the southern of Iberia...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Geografía e Historia, leída el 06/06/2022