The affinity of the dental remains from Obi-Rakhmat Grotto, Uzbekistan
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Journal of Human Evolution
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xxx
Year:
2008
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1-11
Keywords:
Central Asia, Neandertals, Modern humans, Dental morphometrics, Dental morphology, Upper first molar
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A human partial maxillary dentition and a fragmentary cranium were recovered from Obi-Rakhmat Grotto in northeastern Uzbekistan in 2003. Initial descriptions of this single juvenile (OR-1) from a Middle Paleolithic archaeological context have emphasized its mosaic morphological pattern; the dentition appears archaic, while certain morphological aspects of the cranial fragments may be more ambiguous. The present study provides a systematic and comparative analysis of the dental morphology and morphometrics of OR-1 to provide a more refined appraisal of its phenetic affinity vis a´ vis Neandertals and modern humans. Two analyses were performed. The first uses 28 non-metric dental traits scored from Neandertals, Upper Paleolithic, and Middle Paleolithic modern humans to assess the posterior probability of group membership for the Obi-Rakhmat individual. The second is a morphometric analysis of the first upper molar of OR-1. The results of both analyses suggest the dentition of OR-1 is essentially Neandertal.
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[PublicMultimediaSpace:PDF Bailey et al 2008^Bailey_etal_2008_Obi-Rakhmat_dental.pdf]
