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Moratines: primeros micromam?feros en el Mioceno Medio del ?rea de Madrid

Authors: Jiménez Fuentes, Emiliano; Alberdi Alonso, María Teresa; Morales, E.; Sesé, C.;

Moratines: primeros micromam?feros en el Mioceno Medio del ?rea de Madrid

Abstract

RESUMEN Hasta el presente trabajo, de las faunas fósiles del Mioceno del área de Madrid, solo se conocían los macromamíferos. Dichas faunas eran atribuidas generalmente a dos niveles biostratigráficos dentro del Mioceno medio: uno, inferior, representado por La Hidroeléctrica, y otro, superior, para la mayor parte de las localidades, próximo en edad a Sansan (Crusafont y Villalta, 1954; Crusafont y Golpe, 1971). El hallazgo de los roedores Heteroxerus rubricati, Armantomys aragonensis, Pseudodryomys robustus y Megacricetodon minor cf. collongensis y el lagomorfo Lagopsis peñai en una nueva localidad de Madrid que damos a conocer denominada Moratines, permite precisar la existencia de una fauna con Triceromeryx en los niveles inferiores a la zona MN 6, probablemente referible a la zona MN 4b u Orleaniense medio. La heterogeneidad de las faunas del área de Madrid se pone de manifiesto. Sin embargo, sin una revisión completa de los hallazgos fósiles, es problemática la evaluación de sus diferencias.

ABSTRACT Until the present work, only the macromammals from the Miocene fossil faunas in the Madrid area have been reported. These faunas generally have been placed into two biostratigraphical levels within the middle Miocene: the lower represented by La Hidroeléctrica and the upper by the remainder of the sites, which are near in age to Sansan (Crusafont y Villalta, 1954; Crusafont y Golpe, 1971). Moratines, a new site in the city of Madrid, has yielded the rodents Heteroxerus rubricati, Armantomys aragonensis, Pseudodryomys robustus and Megacricetodon minor cf. collongensis and the lagomorph Lagopsis peñai; this permits the recognition of a fauna with Triceromeryx in levels older than the MN 6 zone, probably referable to the MN 4b zone (Middle Orleanian). The results of the present work make clear the heterogeneity of the faunas from the Madrid area, but without a revision of the identifications of the included taxa, it is not possible at present to evaluate the faunal differences.

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Spain
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Keywords

Province) [Madrid (Spain], Madrid, Mioceno, Fossils, Micromam?feros, Madrid ( Espa?a : Provincia), Madrid (Spain : Province), Provincia) [Madrid ( España], Miocene, 2416 Paleontología, Mioceno Medio, F?siles, Micromamíferos, Small mammals, Madrid ( España : Provincia), Fósiles, 2416 Paleontolog?a

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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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