English noun: Devonian | |||
| 1. | Devonian (time) from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites | ||
| Synonyms | Age of Fishes, Devonian period | ||
| Instance hypernym | geological period, period | ||
| Part meronym | Paleozoic, Paleozoic era | ||