Read Edit View history 二迭紀 èrdiéjì Permian Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 二迭纪/ 二迭紀 èrdiéjì Permian (geology) the Permian period, approximately 299 to 251 million years ago Edit Delete References Add reference variant 二迭纪/二迭紀 → 二叠纪/二疊紀 Edit Delete
二迭纪/ 二迭紀 èrdiéjì Permian (geology) the Permian period, approximately 299 to 251 million years ago Edit Delete