African Roots

RECENT FINDS from Africa could extend in time and space the fossil record of early human ancestors. Just a few years ago remains more than 4.4 million years old were essentially unknown, and the oldest specimens all came from East Africa. In 2001 paleontologists working in Kenya's Tugen Hills and Ethiopia's Middle Awash region announced that they had discovered hominids dating back to nearly six million years ago (Orrorin tugenensis and Ardipithecus ramidus kadabba, respectively). Then, in July 2002, University of Poitiers m : ¥

Sahelanthropus tchadensis from Toros-Menalla, Chad

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