Palaeogene

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The Palaeogene is the first geological period of the Cainozoic and the tenth period in the Phanerozoic eon. It began 65 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.

The Palaeogene, along with the succeeding Neogene were originally together considered one period, the Tertiary until recently, when it was split.

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