Assertion: human's ancestor | /r/HasProperty | either a. afarensis[citation
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Source sentences:
text: Thus, the genus Homo either split off from the genus Australopithecus at an earlier date (the latest common ancestor being either A. afarensis[citation needed] or an even earlier form, possibly Kenyanthropus[citation needed]), or both developed from a yet possibly unknown common ancestor independently.[citation needed]