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Discovery

Ancient sharks likely more diverse than previously thought

3-D reconstruction of the jaws, prehistoric shark

3-D reconstruction of the jaws, gill arches and braincase of Gladbachus adentatus.

Credit: Michael Coates and Kristen Tietjen, University of Chicago.


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biologist Michael I. Coates

University of Chicago biologist Michael I. Coates.

Credit: University of Chicago


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Fossil skeleton of the ancient shark Gladbachus.

Fossil skeleton of the ancient shark Gladbachus.

Credit: University of Chicago


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