Cretaceous–Paleogene boundary

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The Cretaceous–Paleogene boundary, a major prehistoric global extinction event. During the Cretaceous period of late Mesozoic Era and Paleogene period of the early Cenozoic Era, in the Phanerozoic Eon.


Licensed under CC BY-SA 3.0 | Source: https://en.wikipedia.org/wiki/Category:Cretaceous–Paleogene_boundary
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