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Marine and continental synchronous climatic records: Towards a revision of the European Mid-Miocene mammalian biochronological framework |
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| Authors: | Loïc Costeur Serge Legendre Christophe Lécuyer |
| Institution: | a UMR CNRS 6112, laboratoire de planétologie et géodynamique de Nantes, université de Nantes, 2, rue de la Houssinière, 44322 Nantes cedex, France b UMR 5125 PEPS CNRS, université Lyon-1, campus de la Doua, bâtiment Géode, 69622 Villeurbanne cedex, France c UMR CNRS 5554, université Montpellier-2, institut des sciences de l’évolution, CC 064, 34095 Montpellier cedex 5, France d Institut universitaire de France, 103, boulevard Saint-Michel, 75005 Paris, France |
| Abstract: | The Middle Miocene climatic cooling (MCC) is a global event recorded synchronously in the marine and continental realms by several geo- and bioindicators around 15-13.5 Ma. The temporal distribution of European plants and ectothermic vertebrates indicates a similar response to the MCC around 15-13.5 Ma. According to the existing correlations of the European mammalian biochronological time scale to the Geomagnetic Polarity Time Scale (GPTS), a cenogram analysis revealed an important reorganisation of the Middle Miocene European terrestrial mammalian faunas that seems to take place later, around 11.5-11 Ma. This discrepancy between the timing of faunal changes can be solved by considering the recent biochronological and magnetostratigraphic data leading to reinterpretations of the debated ages of several Middle Miocene localities that need to be placed before the MCC event. |
| Keywords: | Europe Middle Miocene Biochronology Global cooling Palaeoenvironment Marine-continental correlations Mammalian communities |
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