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美国得克萨斯州上个月初遭遇严重洪灾,志愿者最近在清理灾区时,意外发现1亿多年前的肉食恐龙足迹。美国有线电视新闻网(CNN)报道,在特拉维斯县大桑迪溪(Big Sandy Creek)发现的恐龙足迹共1

美国得克萨斯州上个月初遭遇严重洪灾,志愿者最近在清理灾区时,意外发现1亿多年前的肉食恐龙足迹。美国有线电视新闻网(CNN)报道,在特拉维斯县大桑迪溪(Big Sandy Creek)发现的恐龙足迹共15个,每个长度约45至50厘米。得州大学的考古生物学家团队认为,这些足迹可能来自一种类似高棘龙(Acrocanthosaurus)的双足肉de食恐龙,体长约10米,估计距今已有1亿1000万到1亿1500万年。大桑迪溪平时干涸,洪水期间水位暴涨至约6米,冲走了大量泥土,才使得这些古老足迹重见天日。新发现的恐龙足迹位于私人土地,因此将不对公众开放。这个地区距离著名的恐龙谷州立公园有大约320公里,公园因保留了大量恐龙足迹而闻名。

作者:风雪夜归人

作者简介:以都市情感题材见长,描写细腻真实,擅长还原婚恋生活的甜与苦,是情感领域的常驻声音。
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