This 480 million-year-old creature is the ancestor of all starfish

A strange little fossil may represent the ancestor of all starfish-like animals on the planet, according to a new study. 

The 480 million-year-old fossil was unearthed in the Moroccan desert more than 17 years ago, but its identity and evolutionary history remained mysteries until now. Scientists have now formally described the specimen in new research published Wednesday (Jan. 20) in the journal Biology Letters

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