Proconsul africanusKNM-ER 1813KNM-ER 406OH 5SK 48

 

OH5 “Zinjanthropus”

OH 5, “Zinjanthropus”, “Nutcracker Man”, Australopithecus boisei Discovered by Mary Leakey in 1959 at Olduvai Gorge in Tanzania (Leakey, 1959). Estimated age is 1.8 million years. It is an almost complete cranium; with a brain size is about 530 cc. This was the first specimen of this species. Louis Leakey briefly considered this a human ancestor, but the claim was dropped when Homo habilis was found soon afterwards.

AegyptopithecusKNM-WT 17000KNM-ER 1470OH 24KNM-ER 3733