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cck

Potomac River tooth question

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cck

I picked up this tooth yesterday on the Potomac (mostly Miocene deposits) - I can’t place it... it does have some damage to the root. I at first thought Tiger, but the little serrations are on the wrong side of the curve... Any ideas? Thanks!

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4AFCF498-6AE0-4800-AA6A-345AEC9050C9.jpeg

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Al Dente

Looks like Notorhynchus.

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cck

Ah I see that now! With the cusp on the right broken off... Thanks!

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PaleoNoel

It could be a worn Physogaleus contortus (a tiger shark relative), they are more common than the sixgill sharks but the latter isn't out of the question.

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cck

That was my initial thought as well, but the  tigers have their serrations inside the tooth curve I think? 

 

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