A new cercopithecoid dentognathic specimen attributed to Theropithecus from the late Early Pleistocene (c. 1 Ma) deposits of Simbiro, at Melka Kunture, Ethiopian highlands

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• 作者：Amé ; lie Beaudet^a ; ^{amelie.beaudet@univ-tlse3.fr" class="auth_mail" title="E-mail the corresponding author} ; Clé ; ment Zanolli^a ; ^b ; Blade Engda Redae^c ; Metasebia Endalamaw^c ; José ; Braga^a ; Roberto Macchiarelli^d ; ^e
• 关键词：Melka Kunture ; Simbiro ; Ethiopia ; Late Early Pleistocene ; Theropithecus ; Dentognathic remains
• 刊名：Comptes Rendus Palevol
• 出版年：2015
• 出版时间：November-December 2015
• 年：2015
• 卷：14
• 期：8
• 页码：657-669
• 全文大小：3056 K

文摘

The archeological and paleontological area of Melka Kunture, in the Ethiopian highlands, has yielded particularly rich mammal fossil assemblages, including a few human and nonhuman primate remains. The cercopithecoid specimens reported so far consist of a fragmentary lower third molar crown and of a maxillary fragment, coming from the Early Pleistocene sites of Garba IV and Garba XII, respectively. In this study we describe an additional dentognathic specimen, labelled SIM III-13-1, collected in 2013 in the c. 1 Ma sedimentary deposits of Simbiro. In addition to classical descriptions and measurements, this specimen was detailed by X-ray tomography (CT) and two-three dimensional (2–3D) quantitative analyses were performed on the virtual reconstruction to assess its taxonomic assignment. Comparison with a number of fossil and extant cercopithecoid specimens/samples suggests that SIM III-13-1 belongs to the genus Theropithecus, more likely to Theropithecus sp. cf. oswaldi.