Fossils Suggest Modern Sharks Are More Evolved Than Previously Thought

April 16, 2014 7:27 PM

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Fossils Suggest Modern Sharks Are More Evolved Than Previously Thought

A 325-million-year-old fossil fish shows that evolution hasn't left sharks alone.

Paleontologists have long thought that sharks hit on the right combination of body shape and internal anatomy early on, and that evolutionary forces didn't tinker much with the design over the following hundreds of millions of years. But a handful of bones in a 325-million-year-old shark-like fossil...

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