Palaeogene

first period of the Cenozoic Era

The Palaeogene is the first geological period of the Cainozoic. It began 66 million years ago, and ended 23 million years ago.[1] Before it was the Cretaceous. The Palaeogene was followed by the Neogene.

The Palaeogene had three stages: Palaeocene, Eocene and Oligocene.

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