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 ?
AFTER THE DINOSAURS: THE AGE OF MAMMALS finally takes the focus off the dinosaur and into the next era: an age where Earth was inhabited by an array of strange creatures, from huge hornless rhinos to an elephant-like hoofed mammal.
Lest we quickly lose interest, we were hurriedly reminded that these huge feathered oddities and cutesy forest rat things quickly gave way to the age of mammals, and we are promised a succession of furry leviathans next week.
Reed Gallery of the Age of Mammals, Michael Lee-Chin Crystal, Level 2