devonian_period | ||
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 | |
Related terms: | period Paleozoic | |
devonian_period | ||
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 | |
Related terms: | period Paleozoic | |