Preserved shark fossil adds evidence to great white's origins

A new University of Florida study could help resolve a long-standing debate in shark paleontology: From which line of species did the modern great white shark evolve?

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<p><a href="http://www.physorg.com/news156097789.html">Preserved shark fossil adds evidence to great white's origins</a></p> <p>A new University of Florida study could help resolve a long-standing debate in shark paleontology: From which line of species did the modern great white shark evolve?</p>