期刊
COMPTES RENDUS PALEVOL
卷 9, 期 6-7, 页码 341-348出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crpv.2010.07.019
关键词
Human deciduous molars; Tissue proportions; Enamel thickness; Tighenif; Early Middle Pleistocene; Microtomography
类别
资金
- MNHN
- CNRS
- Nespos Society
- Univ. of Poitiers
- EU [MRTN-CT-2005-019564]
- Fyssen Foundation
The present study of three human upper deciduous molars from the early Middle Pleistocene site of Tighenif, Algeria, constitutes the first microtomographic-based endostructural exploration of African fossil teeth likely representative of the Homo heidelbergensis morph. Comparative morphological observations and 2-3D measurements describing subtle tooth organization (crown tissue proportions) and enamel thickness topography (site-specific distribution and global patterning) indicate that their virtual extracted structural signature better fits the modern human, rather than the Neanderthal condition. Accordingly, we predict that the inner structural morphology of the deciduous molars from the Middle Pleistocene western European series better fits the primitive, and not the derived Neanderthal figures. (C) 2010 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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