保罗·维格纳尔和其他人发现了在二叠纪末期海洋化石沉积达到多样性高峰的地点。

Paul Wignall and others have found sites where marine fossil deposits reached a peak of diversity at the very end of the Permian period.

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地质记录显示，在白垩纪末期这些航道从大陆撤退，回到主要的海洋盆地。

At the end of the Cretaceous, the geological record shows that these seaways retreated from the continents back into the major ocean basins.

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而更大规模的灭绝发生在25100万年前二叠纪末期，致使世界上70%的陆地脊椎动物(和96%的海洋动物)死亡，同时造就了爬行动物的时代。

A bigger mass extinction, at the end of the Permian period 251m years ago, killed 70% of the world's land vertebrates (and 96% of all Marine animals) and paved the way for the age of reptiles.

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