Sahelanthropus

Sahelanthropus tchadensis is an extinct hominid species that is dated to about .  Whether it can be regarded as part of the Hominina tree is unclear; there are arguments both supporting and rejecting it.  Another complication in its classification is that it is older than the human-chimpanzee divergence (estimated to ) seen in genetic data, and that there are few if any specimens other than the partial cranium known as Toumaï.

Itokasi