Skulls of A. africanus and a chimpanzee

Credit: JAVIER TRUEBA/MSF/SCIENCE PHOTO LIBRARY

Caption: Skulls of Australopithecus africanus and a chimpanzee. A. africanus (right) was a bipedal ape living in Africa 3-2 million years ago. The skull is similar to that of the chimpanzee (Pan troglodytes, left), although A. africanus had more human-like teeth and a slightly larger brain capacity. This A. africanus specimen, called Stw 505, was found at the Sterkfontain cave site in South Africa and is estimated to be approximately 2.7 million years old.

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Keywords: africa, african, anthropological, anthropology, ape, australopithecus, australopithecus arficanus, bone, bones, chimpanzee, compare, comparing, comparison, cranial, cranium, duo, fossil, fossil man, fossilised, hominid, hominids, hominin, pair, palaeoanthropology, palaeontology, paleoanthropology, paleontology, pan troglodytes, primate, skull, south africa, sterkfontain, stw 505, two

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