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

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。

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Renault's message, according to Jonathan Wignall, the head of the Laguna campaign at the company's British subsidiary, is more subtle.

ECONOMIST: The science of selling