Read Edit View history 寒武纪大爆发 hánwǔjìdàbàofā Cambrian explosion Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 寒武纪大爆发/ 寒武紀大爆發 hánwǔjìdàbàofā Cambrian explosion the sudden appearance in the fossil record of most major animal body plans approximately 541 million years ago Edit Delete References Add reference No references for this word.
寒武纪大爆发/ 寒武紀大爆發 hánwǔjìdàbàofā Cambrian explosion the sudden appearance in the fossil record of most major animal body plans approximately 541 million years ago Edit Delete