Read Edit View history 艾迪卡拉 àidíkǎlā Ediacaran Origin Definitions Defs Strokes Stroke Words Sentences Sents 艾迪卡拉 àidíkǎlā Ediacaran Ediacaran (approximately 635 to 542 million years ago), the final period of the pre-Cambrian geological era
艾迪卡拉 àidíkǎlā Ediacaran Ediacaran (approximately 635 to 542 million years ago), the final period of the pre-Cambrian geological era