A sustainable review of the Middle Pleistocene benchmark sites including the Ailuropoda–Stegodon faunal complex: The Proboscidean point of view - Inrap - Institut national de recherches archéologiques préventives Accéder directement au contenu
Article Dans Une Revue Quaternary International Année : 2016

A sustainable review of the Middle Pleistocene benchmark sites including the Ailuropoda–Stegodon faunal complex: The Proboscidean point of view

Résumé

The different ecologies, times of extinction and 'last stand' of both Elephas and Stegodon in Southeast Asia is covering almost two million years. For Middle Pleistocene, both taxa belong to the complex Ailuropoda-Stegodon. This regional complex is considered to have a chronological significance and further palaeoecological, palaeobiogeographical or biochronological studies are using this assemblage as a benchmark. Nevertheless, such studies do not provide sufficient information regarding site formation and duration to be consistent enough to do so at an appropriate resolution (MIS timescale). Focussing attention on the occurrence of Proboscideans, a critical review of the robustness of the geological, taphonomical and chronological data of Middle Pleistocene faunal assemblages suggests to undertake a deep reappraisal of this "biochronological benchmark". Recomandations were provided in the 1980s not to use mixtures of faunal assemblages and progress in geochronology for two decades are available. Nevertheless, reviewing Proboscideans suggests the necessity of a severe revision and leads to be very sceptical on the use of the Ailuropoda-Stegodon complex as an ecological marker. Extended to other taxa such a review casts serious doubts on former and current paleoecological modellings and studies.
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hal-02977037 , version 1 (23-10-2020)

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Valery Zeitoun, Winayalai Chinnawut, Régis Debruyne, Stéphane Frère, Prasit Auetrakulvit. A sustainable review of the Middle Pleistocene benchmark sites including the Ailuropoda–Stegodon faunal complex: The Proboscidean point of view. Quaternary International, 2016, 416, pp.12-26. ⟨10.1016/j.quaint.2015.09.045⟩. ⟨hal-02977037⟩
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