australopithecine
/ˌɒstɹələ(ʊ)ˈpɪθɪsiːn/noun
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Any of several extinct hominids, belonging to the genera Australopithecus, Paranthropus when seen as distinct, and sometimes other closely related genera.
adjective
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Of or pertaining to these hominids.
Synonyms:
australopith