An almost complete left parietal bone of Homo erectus some 450,000 years old is described in this report. It came from an acheulian level, characterized by oval-shaped handaxes, at the site of Nadaouiyeh Aïn Askar and was discovered in 1996. This site has an exceptional Acheulian sequence as well as Yabrudian and Hummalian levels. The stratigraphy at N.A.A. is very complex due to a) the variability in sedimentation and b) deformation of the layers in the dolina which was intermittently flooded by a spring. The hominid remains were found in an archaeological layer with both cultural and faunal remains which allow us to draw some interesting palaeо-ethnological conclusions.
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Jagher et al. (1997) studied this question.
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