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2500万年前的化石终于揭示：哺乳动物祖先曾经产卵
在地球发生了最大的灭绝事件后，一个不太可能的幸存者在一个破碎的世界中崛起：Lystrosaurus。现在，一个惊人的化石发现——一个古老的卵囊中含有一个卷曲的胚胎——终于回答了一个关于哺乳动物祖先是否产卵的长达数十年的谜团。通过使用先进…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-04-14 22:20 GMT+8（北京时间）
#Lystrosaurus #哺乳动物 #化石 #产卵
ScienceDaily Mammal ancestors laid eggs, and this 250-million-year-old fossil finally proves it In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: Lystrosaurus. Now, a stunning fossil discovery—an ancient egg containing a curled-up embryo—has finally answered a decades-old mystery…
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