Devonian (original) (raw)
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I. (noun)
Sense 1
Meaning:
From 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites
Synonyms:
Age of Fishes; Devonian; Devonian period
Classified under:
Nouns denoting time and temporal relations
Instance hypernyms:
geological period; period (a unit of geological time during which a system of rocks formed)
Holonyms ("Devonian" is a part of...):
Paleozoic; Paleozoic era (from 544 million to about 230 million years ago)