Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun age_of_reptiles

1 sense of age of reptiles

Sense 1
Mesozoic, Mesozoic era, Age of Reptiles -- (from 230 million to 63 million years ago)
       INSTANCE OF=> era, geological era -- (a major division of geological time; an era is usually divided into two or more periods)