This Fossilized Sea Creature May Have Been The First With Muscles

August 27, 2014 12:45 PM

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This Fossilized Sea Creature May Have Been The First With Muscles

A fossilized creature found in Canada probably didn't go to the gym, but it may be the oldest animal known to have muscles, a new study finds.

The specimen, which is approximately 560 million years old, is thought to be a relative of sea anemones and jellyfish, and contains fibrous bundles that appear to be muscle tissue, an important adaptation in the evolution of animals, according to a new study detailed today (Aug. 26) in the journal P...

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