Cenozoic(redirected from Cainozoic period)
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Cenozoic, Caenozoic, Cainozoic
of, denoting, or relating to the most recent geological era, which began 65 000 000 years ago: characterized by the development and increase of the mammals
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The youngest of the eras, or major subdivisions of geologic time, extending from the end of the Mesozoic Era to the present, or Recent. Also spelled as Cainozoic.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.