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Can anyone tell if these teeth are polycotylid? They’re both claimed to be polycotylidae, from the Orenburg region of Russia. I haven’t been able to find out any more specific site info. I’m especially curious cause the 2 teeth have very different details and shapes.

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The first tooth is the right size, cross section and shape. Sadly, it's worn out so I can't see if there's any striations

 

Second tooth has striations and is the right size. The shape is slightly distorted.

 

We know that Elasmosaurs, Polycotylids, Ichthyosaurs and Pliosaurs exist there. Of the 4, your teeth matches polycotylid most closely. So yeah, I'd say they are Polycotylid

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  • 3 weeks later...
On 11/28/2019 at 9:48 PM, -Andy- said:

The first tooth is the right size, cross section and shape. Sadly, it's worn out so I can't see if there's any striations

 

Second tooth has striations and is the right size. The shape is slightly distorted.

 

We know that Elasmosaurs, Polycotylids, Ichthyosaurs and Pliosaurs exist there. Of the 4, your teeth matches polycotylid most closely. So yeah, I'd say they are Polycotylid

Thanks so much:)

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