艾迪卡拉 àidíkǎlā Ediacaran Definitions Defs Origin 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
