Sahelanthropus%20tchadensis - PowerPoint PPT Presentation

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Sahelanthropus%20tchadensis

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Sahelanthropus tchadensis 'toumai child' 6-7 MYA. Chad. Ardepithecus ramidus. 5.8 4.4 MYA ... Slender ('gracile') forms. A. africanus, A. afarensis. Robust forms ... – PowerPoint PPT presentation

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