Donald Johanson—the discoverer of Lucy’s kind, Australopithecus afarensis—has argued for decades that A. afarensis is our ancestor. However, most people are unaware that prominent members of the paleo-community reject afarensis as a valid species. These scientists have argued persuasively in favour of afarensis as a jumble of human (Homo) and ape-like (Australopithecus) bones. Ironically, this is precisely what Johanson had originally reported in his 1976 Nature paper, prior to his controversial ‘reassessment’ when he completely changed his story and presented Lucy’s kind as the ancestor to all ‘later’ hominins.
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