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Early human ancestor looked like a shark

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The common ancestor of all jawed vertebrates resembled a shark, according to a new analysis of a 290-million-year-old fossil fish.

“The common ancestors of all jawed vertebrates today organized their heads in a way that resembled sharks,” says vertebrate biologist John Finarelli, who worked with collaborators at the University of Chicago.

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Full story at Futurity.

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Photo credit: University of Chicago

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