Dictionary of Human Evolution and Biology

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Daka Hominid

Calvaria recovered in 1997 from the Bouri formation deposits in the Middle Awash region of Ethiopia, dated to c. 1.0 mya. It was described in 2002 and assigned field number BOUVP-2/66. Characteristics of this specimen include thick and well-defined double-arched supra-orbital tori, a slight sagittal keel, poorly defined torus angularis, angled occipital bone without an occipital torus, and a cranial capacity of 995 cm3; the calvaria showed signs of scraping that was attributed to animal gnawing. No associated artifacts were found, and other human fossils (leg bones) in the same deposit were not closely associated. This calvaria is attributed to Homo erectus, and is cited as evidence that this taxon was not exclusively a Far Eastern species and could be the ancestor of subsequent hominid taxa in Africa. The specimen may trigger a reconsideration of Pleistocene hominid taxonomy.

Cf. Homo ergaster.

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