Koro Toro , site of paleoanthropological excavations in the central Chad , known for a fossilized fragment of a Discovered in 1995 Australopithecus- type . The Fossil , a fragment of the mandible, was found in sediments estimated to be 3.5 to 3 million years old. It has been mapped to an entirely new type named Australopithecus bahrelghazali referring to the region Baḥr el-Ghazāl refers where Koro Toro is located.
Britannica Quiz Exploring Africa:Fact or Fiction? Though this continent is teeming with natural resources and diverse wildlife, how much do you really know about Africa? Sort these facts from Cairo to Khartoum in this African odyssey. The jaw found at Koro Toro is that of the first early hominin (member of the human lineage) known from central Africa , and it is important for examining the human evolution, as it extends the geographic reach of Australopithecus from East Africa 2,500 km west. In many respects the remains are similar to those from East Africa identified as A. afarensis , but there are differences significant enough to warrant classification as a different species. More recent deposits at this site have a fragmentary skull of probably Homo ergaster (African Homo erectus ).