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

1 sense of age of fishes

Sense 1
Devonian, Devonian period, Age of Fishes -- (from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites)
       INSTANCE OF=> period, geological period -- (a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods")