埃迪卡拉纪从六亿三千五百万年前持续到五亿四千二百万年前，是近一个多世纪以来科学家命名的第一个新的地质时期。
The Ediacaran Period, from 635 to 542 million years ago, is the first new geological period to be named in more than a century.
埃迪·卡拉化石的发现，将动物的形成时间从寒武纪又推早了不少。
The Ediacaran fossil record thus stretches the origins of animals to well before the Cambrian Explosion.
埃迪·卡拉纪动物群是出现的第一种大型的结构复杂的生命形式。
The Ediacaran fauna were the first large complex life forms to appear.
埃迪·卡拉纪动物群是出现的第一种大型的结构复杂的生命形式。
The Ediacaran fauna were the first large complex life forms to appear.
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