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Late Pliocene Homo and Hominid Land Use from Western Olduvai Gorge, Tanzania

Science  21 Feb 2003:
Vol. 299, Issue 5610, pp. 1217-1221
DOI: 10.1126/science.1075374

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Abstract

Excavation in the previously little-explored western portion of Olduvai Gorge indicates that hominid land use of the eastern paleobasin extended at least episodically to the west. Finds included a dentally complete Homo maxilla (OH 65) with lower face, Oldowan stone artifacts, and butchery-marked bones dated to be between 1.84 and 1.79 million years old. The hominid shows strong affinities to the KNM ER 1470 cranium from Kenya (Homo rudolfensis), a morphotype previously unrecognized at Olduvai. ER 1470 and OH 65 can be accommodated in the H. habilis holotype, casting doubt onH. rudolfensis as a biologically valid taxon.

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