NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Paranthropus robustus mandible (lower jaw). Also known as Australopithecus robustus, this extinct hominid lived in Africa during the late Pliocene between 2.6 and 1 million years ago. It forms part of the human evolutionary tree and was short and stocky with substantial ridges on the skull suggesting it had powerful jaw muscles and a vegetarian diet. It lived in open woodland, and was more robust than other hominid species of the time.
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