Definition of Palaeogene in English:

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Pronunciation: /ˈpalɪə(ʊ)dʒiːn/
(US Paleogene)


1Relating to or denoting the earlier division of the Tertiary period, comprising the Palaeocene, Eocene, and Oligocene epochs. Compare with Neogene.
Example sentences
  • The contact between Cretaceous Chalk and Palaeogene siliciclastic sediments is a megasequence boundary within the fill of the Wessex Basin.
  • Thick Permian to Paleogene continental rise deposits merge southward into a continuous Ordovician to Eocene shelf sedimentary succession of marine carbonates, sandstone, siltstone and shale.
  • The preserved Miocene sediments have allowed us to separate the effects of Palaeogene and Neogene uplift.
1.1 (as noun the Palaeogene) The Palaeogene sub-period or the system of rocks deposited during it.

The Palaeogene lasted from about 65 to 23 million years ago. The mammals diversified following the demise of the dinosaurs, and many bizarre and gigantic forms appeared.


Late 19th century: from palaeo- + Greek genēs 'of a specified kind' (see -gen).

For editors and proofreaders

Line breaks: Palaeo|gene

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