Read Edit View history Discussion 寒武纪生命大爆发 hánwǔjìshēngmìngdàbàofā the Cambrian explosion Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 寒武纪生命大爆发/ 寒武紀生命大爆發 hánwǔjìshēngmìngdàbàofā the Cambrian explosion A period about 541 million years ago when most major animal phyla appeared in the fossil record. Edit Delete References Add reference No references for this word.
寒武纪生命大爆发/ 寒武紀生命大爆發 hánwǔjìshēngmìngdàbàofā the Cambrian explosion A period about 541 million years ago when most major animal phyla appeared in the fossil record. Edit Delete