[ pey-lee-uh-jeen; especially British pal-ee- ]
/ ˈpeɪ li əˌdʒin; especially British ˈpæl i- /
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noting or pertaining to the earlier part of the Cenozoic Era, in the system adopted by some geologists, occurring from 65 to 25 million years ago and including the Oligocene, Eocene, and Paleocene epochs: corresponds to the earlier part of the Tertiary Period in the system generally used in the U.S.Compare Neogene.
the Paleogene Period or System.
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Words nearby Paleogene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use Paleogene in a sentence
Above the boundary lay rocks of the Paleogene, which contain none of these creatures, but mark the beginning of the Age of Mammals, in which furry animals emerged to become the largest animals on land and in the seas.The Mother of All Accidents - Issue 99: Universality|Sean B. Carroll|April 21, 2021|Nautilus
Scientific definitions for Paleogene
[ pā′lē-ə-jēn′ ]
The oldest of two subdivisions of the Tertiary Period, including the Paleocene, Eocene, and Oligocene Epochs.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.