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头上长着巨大爪子的怪物：5亿年前的最早凶猛掠食者
source link: https://tech.sina.com.cn/d/c/2018-06-13/doc-ihcwpcmp9068208.shtml
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新浪科技讯北京时间6月13日消息，据国外媒体报道，如果你有机会穿越到5亿年前的地球海洋，你或许会见到一只头上长着巨大爪子的怪物。它在水中游弋，寻找着能送入圆形大口的猎物。如果你足够幸运，或许还可以见到一只迷你版的幼体在它身后摇摆跟随。来自中
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