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Australopithecus afarensis
Australopithecus afarensis skull
Any member of a species of the genus Australopithecus. Australopithecines lived during the Pliocene and early Pleistocene geological epochs in Africa (i.e., about 4.2–1.2 million years ago). Australopithecines and humans are hominids. One or more species of australopithecines probably were our ancestors.

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