泥盆纪 nípénjì Devonian Period Definitions Defs Origin Strokes Stroke Words Sentences Sents 泥盆纪 泥盆紀 nípénjì Devonian Period The fourth period of the Paleozoic Era, beginning approximately 419 million years ago and ending 359 million years ago; characterized by the diversification of fish and the emergence of early amphibians and land forests. Frequency Written text 0.121 per million Sources Frequency data BCC Corpus (BLCU)
泥盆纪 泥盆紀 nípénjì Devonian Period The fourth period of the Paleozoic Era, beginning approximately 419 million years ago and ending 359 million years ago; characterized by the diversification of fish and the emergence of early amphibians and land forests. Frequency Written text 0.121 per million Sources Frequency data BCC Corpus (BLCU)