The Herto samples were analyzed by Paul Renne of the Berkeley Geochronology Center and in Bill Hart's lab at Miami University. The results gave an age of 160, 000 to 154, 000 years for the skull.

伯克利地质年代中心的保罗·雷恩和比尔·哈特在迈阿密大学的实验室分析了在赫托村发现的这些样品，鉴定结果显示头骨距今约为16万年前至15.4万年前之间。

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"Synchronous to within a gnat's eyebrow" according to Professor Paul Renne from the Berkeley Geochronology Centre, who argues that the asteroid clearly played a major role in global extinctions.

BBC: Keeping up with the Jinzhousauruses