It's giving us an overview of the high Arctic during part of the Jurassic period for the very first time.

这差不多是相当于我们第一次对侏罗纪部分时期的高纬度北极地区有了大致了解。

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So, this discovery pushes the existence of the Nephila back to the Jurassic Period, making them the longest ranging spider genus known.

所以，这项研究将络新妇的出现年代提前到了侏罗纪，使得其成为了蜘蛛中已知的生存年代跨度最大的一属。

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His team has detailed the discovery of a similar species, Xiaotingia, which dates back 155 million years to the Jurassic Period.

他的团队已经把对一个相似的物种“郑氏晓廷鸟”的发现作了细节化处理。“郑氏晓廷鸟”的出现要追溯到1亿5500千万年前的侏罗纪时期。

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It ran around on two legs 180 million years ago, at the height of the geologic period known as the Jurassic.

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Juramaia's appearance in the Jurassic Period of Earth history would appear to corroborate what the genetics has been saying.

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