World's oldest known animal identified after decades-long mystery

World's oldest known animal identified after decades-long mystery  CNN 'Holy Grail' fossil mystery cracked – 558 million-year-old fat reveals earliest known animal  Fox News Ancient Mystery Creature That Defied Classification Is Earth's Oldest Animal  Live Science AP, HHMI expand collaboration to bolster health, science coverage - Associated Press  Associated Press Ancient steroids establish the Ediacaran fossil Dickinsonia as one of the earliest animals  Science MagazineFull coverage

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