伊利诺伊州芝加哥——据《Live Science》报道，在埃塞俄比亚东北部阿法尔地区发现了距今260万年的傍人（Paranthropus）下颌骨碎片，该发现地比其他已知的傍人化石遗骸地点偏北约620英里。傍人属是已灭绝的人类近亲，包括粗壮傍人（P.
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2.6 million-year-old jaw from extinct 'Nutcracker Man' is found where we didn't expect it
A fossil jaw of a distant human relative was discovered much farther north than previously thought possible, revealing new ...
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