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Docta Complutense
Article . 2003
Data sources: Docta Complutense
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Ecomorphological characterization of Murinae and hypsodont “Cricetidae” (Rodentia) from the Iberian Plio-Pleistocene

Authors: Hernández Fernández, Manuel; Peláez-Campomanes de Labra, Pablo;

Ecomorphological characterization of Murinae and hypsodont “Cricetidae” (Rodentia) from the Iberian Plio-Pleistocene

Abstract

[ES] Con el objetivo de inferir el rango de climas ocupados por géneros de roedores extintos, se han realizado análisis de conglomerados jerárquicos en los que se han introducido variables morfológicas dentales. Con este análisis se pretenden obtener agrupaciones que relacionen géneros fósiles con actuales sobre la base de la ecomorfología de la dentición. Esta metodología es aplicada a dos grupos de roedores, Murinae y “Cricetidae” hipsodontos, del Plio-Pleistoceno ibérico. Los resultados muestran que la morfología dental de los Murinae Plio-Pleistocenos de la Península Ibérica presenta patrones similares a los encontrados en géneros actuales habitantes principalmente de biomas forestales tropicales. Por otro lado, los “Cricetidae” hipsodontos presentan patrones más parecidos a los de habitantes de biomas predominantemente herbáceos. La coexistencia de ambos grupos en los yacimientos españoles del Plio-Pleistoceno podría implicar, posiblemente, una segregación ecológica entre ellos. Los Murinae ocuparían preferentemente las áreas forestales y los “Cricetidae” hipsodontos las áreas con medios abiertos. No obstante, en ambos grupos aparecen géneros (Huerzelerimys y Ruscinomys) que podrían ocupar ambos tipos de ecosistemas.

[EN] In order to make inferences on the climatic range of extinct rodent genera, cluster analysis using dental morphological variables is performed. The goal of this study is to obtain rodent groupings which relate extinct an extant rodent genera on the basis of the ecomorphology of the dentition. The method is applied to two rodent groups, Murinae and hypsodont “Cricetidae” from the Iberian Plio- Pleistocene. The results show that dental morphology of the Plio-Pleistocene Murinae from the Iberian Peninsula shows similar patterns to those found in extant genera inhabiting tropical forested biomes. The hypsodont “Cricetidae” show a close relationship in dental pattern to that of Phillotini genera, which are inhabitants of herbaceous biomes mainly. The coexistence of both studied groups in the Spanish Plio-Pleistocene could imply an ecological segregation between them. The Murinae would preferably occupy the forested areas and the hypsodont “Cricetidae” the areas with open landscapes. Nevertheless, both groups contain genera that could occupy both types of ecosystems (Huerzelerimys and Ruscinomys).

This study was supported by the Spanish CICYT (PB98-0691-C03-01; PB98-0691-C03-02). One of the authors (M.H.F.) has a postdoctoral grant from the Education Council of the Comunidad Autónoma de Madrid (CAM), financed by the CAM and by the European Social Fund.

Peer reviewed

Country
Spain
Keywords

551.791(460), Análisis de conglomerados jerárquicos, Roedores, Pliocene, Pleistoceno, España, Ecomorphology, Ecomorfología, Plioceno, 2416 Paleontología, Rodents, Paleontología, Pleistocene, Cluster analysis, Paleoecología, Spain, 569.32(460), Paleoecology, Muroidea

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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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