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Is this just a curved Mako, or possible Giant Thresher?


PolskiByk

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Can anyone help me identify this tooth?   Found at Brownies Beach on the Chesapeake Bay.  It looks similar to Makos, but I can't find any pictures of one this curved?

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+1 for I. retroflexus

Don't know much about history

Don't know much biology

Don't know much about science books.........

Sam Cooke - (What A) Wonderful World

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I agree with your identification fossilselachian it looks like a Isurus retroflexus.

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