Similarity and regional differences in Quaternary arvicolid evolution in Central and Eastern Europe |
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| Authors: | Lutz C Maul Anastasia K Markova |
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| Institution: | aForschungsinstitut und Naturmuseum Senckenberg, Forschungsstation für Quartärpaläontologie, Am Jakobskirchhof 4, D-99423 Weimar, Germany;bInstitute of Geography RAS, Staromonetny 29, Moscow 119017, Russia |
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| Abstract: | Because of their rapid evolution and abundant fossil record, arvicolid molars are commonly employed in Quaternary biostratigraphy. In addition, with their extensive geographical ranges these fossils often permit interregional faunal correlations. However, as a pre-condition for such correlations it has to be established that the occurrences are really time parallel in the different regions. This paper deals with the particular comparison of arvicolid records from Central and Eastern Europe. In most of the earliest and latest records of the species investigated similarities in the spectrum of accompanying species can be observed. In some cases endemism (Ungaromys, Ellobius, Eolagurus, Villanyia, several Pliomys species) or different taxonomic interpretations do not provide a sufficient base for comparison. Only for a few taxa can clear biostratigraphical differences of ranges be recognised (mainly Mimomys savini-Arvicola and various lineages within the genus Microtus). In some cases, differences in the chronostratigraphical ranges are possibly caused by the lack of a geological and palaeomagnetic framework for most of the Central European localities. |
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