TM 266 - TM 266-01-060-1 (Touma) TM 266-01-060-1,...

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TM 266-01-060-1 (Toumaï) TM 266-01-060-1, "Toumaï", Sahelanthropus tchadensis Discovered by Ahounta Djimdoumalbaye in 2001 in Chad, in the southern Sahara desert (Brunet et al. 2002, Wood 2002). Based on faunal studies, it is estimated to be between 6 and 7 million years old, and more likely in the older part of that range. This is a mostly complete cranium with a small brain (between 320 and 380 cc) comparable in size to that of chimpanzees. No bones below the skull have been discovered yet, so it is not known whether Toumai was bipedal or not. Brunet et al. say that it would be a not unreasonable inference that it was a habitual biped because it shares characteristics with other hominids known to be bipedal. Other scientists have pointed out the foramen magnum (the hole through which the spinal cord exits the skull) of Toumai is positioned towards the back of the skull as in apes, indicating that the skull
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TM 266 - TM 266-01-060-1 (Touma) TM 266-01-060-1,...

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