Word: aethiopicus
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Dates: during 1990-1999
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...year-plus life-span, the australopithecines were surely one of evolution's better experiments. But nature is an inveterate tinkerer, even with successful species. Between 3 million and 1.9 million years B.P., several variations on the Australopithecus theme popped up in eastern and southern Africa, including A. africanus, A. aethiopicus, A. robustus and A. boisei. (Just to complicate matters, the last three are assigned by some experts to an entirely different genus, Paranthropus...
...aethiopicus...
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