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三叠纪时期怀胎鱼龙化石，死亡时体内有3只幼崽
source link: https://tech.sina.com.cn/d/c/2020-06-23/doc-iirczymk8486218.shtml
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新浪科技讯北京时间6月23日消息，据国外媒体报道，最新研究表明，大约2.46亿年前，1只怀胎鱼龙在预产期前死亡，死亡时体内至少有3只未出生的幼崽。鱼龙是一种生活在恐龙时代的海洋爬行动物，现早已灭绝消失，它看上去像凶猛的巨型海豚，美国内华达州
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