Cenozoic

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Related to Age of Mammals: Age of Reptiles

Cenozoic

or

Cainozoic period

a geological era that includes the QUATERNARY PERIOD and TERTIARY PERIOD, beginning some 65 million years ago and extending up to the present time. See GEOLOGICAL TIME.
References in periodicals archive ?
The James and Louise Temerty Galleries of the Age of Dinosaurs and the Gallery of the Age of Mammals were celebrated December 11, 2007, with a swing band and themed food.