Paleogene period


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Paleogene period

The first part of a revised two-part division of the Cenozoic era: 65 to 24 million years ago.
References in periodicals archive ?
The story behind the formation of this understated forest goes back to the Oligocene epoch (a geologic epoch of the Paleogene Period and dates back to about 30 million years ago), when an ancient branch of the Nile carried trees along and deposited them in the area.
The layer marks the end of the Cretaceous period (abbreviated "K"), the epoch of the dinosaurs, and the beginning of the Paleogene period, with its notable absence of the large lizards.