Image Gallery: Bizarre Cambrian Creature

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Small sea life

Credit: Andrew Smith, Proc. Royal Soc. B
In 2012, researchers unearthed a 520-million year old fossilized creature that is one of the earliest known echinoderms with fivefold symmetry.
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Tia Ghose, LiveScience Staff Writer

Tia Ghose

Tia has interned at Science News,, and the Milwaukee Journal Sentinel and has written for the Center for Investigative Reporting, Scientific American, and ScienceNow. She has a master's degree in bioengineering from the University of Washington and a graduate certificate in science writing from the University of California Santa Cruz.
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