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How to sign: any of several extinct humanlike small-brained bipedal primates of the genus Australopithecus; from 1 to 4 million years ago
Categories: hominid
Within this category: Australopithecus afarensis, Australopithecus africanus, Australopithecus boisei, Australopithecus robustus, Paranthropus, Zinjanthropus
