 devonian |
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| 1. | [ noun ] (geology) from 345 million to 405 million years ago; dominance of fishes and appearance of amphibians and ammonites | |
| Synonyms: | Age_of_Fishes Devonian_period | |
| Related terms: | period Paleozoic | |
| Similar spelling: |
defining |
|
| devonian |
||
| 1. | [ noun ] (geology) from 345 million to 405 million years ago; dominance of fishes and appearance of amphibians and ammonites | |
| Synonyms: | Age_of_Fishes Devonian_period | |
| Related terms: | period Paleozoic | |
| Similar spelling: |
defining |
|
