| fossil papio cranium from !ncumtsa (koanaka) hills, western ngamiland, botswana. | three fossils, a cranium of papio, a cercopithecid frontal bone, and a mandible of juvenile papio, have been recovered from cave deposits in the !ncumtsa (koanaka) hills of western ngamiland, botswana. these specimens are significant because well-preserved crania of papio are extremely rare in the fossil record outside of south africa and because this is the first report of fossil primate cranial remains from botswana. thermoluminescence dating of surrounding cave matrix indicates an age of ≥317 ... | 2012 | 22639236 |