埃迪卡拉纪 āidíkǎlājì Ediacaran period Definitions Defs Origin Strokes Stroke Words Sentences Sents 埃迪卡拉纪 埃迪卡拉紀 āidíkǎlājì Ediacaran period Ediacaran period, which occurred roughly 635 to 542 million years ago during the late phase of the pre-Cambrian geological era
埃迪卡拉纪 埃迪卡拉紀 āidíkǎlājì Ediacaran period Ediacaran period, which occurred roughly 635 to 542 million years ago during the late phase of the pre-Cambrian geological era