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Paleogene - Wikipedia
Paleogene Period | Climate Change, Mammal Evolution & Mass ...
Paleogene Period and Cenozoic Era Information | National ...
Paleogene Period | Natural History Museum
Paleogene Period—66.0 to 23.0 MYA - U.S. National Park Service
Prehistoric Life During the Paleogene Period - ThoughtCo
The Paleogene Period - Major Events, Climate, Plants and Animals