Devonian

详细解释:a. 德文郡的, 泥盆纪的
n. 德文郡人, 泥盆纪

英语解释：

名词 devonian:

from 405 million to 345 million years ago; dominance of fishes and appearance of amphibians and ammonites同义词：Devonian period, Age of Fishes