Cenozoic
WordNet

adjective


(1)   Of or relating to or denoting the Cenozoic era

noun


(2)   Approximately the last 63 million years
WiktionaryText

Adjective


  1. of a geologic era within the Phanerozoic eon and comprises the Paleogene and Neogene periods from about 65 million years ago to the present, when the continents moved to their current position and modern plants and animals evolved
 
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