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ID help: Unknown Bissekty Formation Tooth


Praefectus

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Hello. I was wondering if anyone could help me identify this tooth from a friend’s collection. It comes from the Bissekty formation in Uzebekistan. It is 1.81 inches (4.6 cm) long. I think fish, pterosaur, crocodylimorph, or aquatic reptile are potential identities. Please let me know if more pictures are required. Thank you for your help.

 

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I don’t think it’s pterosaur or dinosaurian. Not sure what croc teeth look like from there either but doesn’t look fat enough for croc. I’m also assuming the tooth is too large for any fish.

 

I do see there is a pleisiosaurid indet. Described from the Bissekty Formation. 

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Hans-Dieter Sues and Alexander Averianov have authored a large number of papers from this deposit.  So my suggestion is to contact one of them on this unusual tooth.  Hans-Dieter is the  Curator of Vertebrate Paleontology at the National Museum of Natural History of the Smithsonian Institution so my guess is you have a better shot emailing Alexander.

 

From one of their papers  

Screenshot_20201110-161920_Drive.jpg.ac0c91c8ea77c690b5e33930575134c1.jpg

 

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44 minutes ago, Runner64 said:

I don’t think it’s pterosaur or dinosaurian. Not sure what croc teeth look like from there either but doesn’t look fat enough for croc. I’m also assuming the tooth is too large for any fish.

 

I do see there is a pleisiosaurid indet. Described from the Bissekty Formation. 

An interesting possibility. Thanks. 

 

5 minutes ago, Troodon said:

Hans-Dieter Sues and Alexander Averianov have authored a large number of papers from this deposit.  So my suggestion is to contact one of them on this unusual tooth.  Hans-Dieter is the  Curator of Vertebrate Paleontology at the National Museum of Natural History of the Smithsonian Institution so my guess is you have a better shot emailing Alexander.

 

From one of their papers  

Screenshot_20201110-161920_Drive.jpg.ac0c91c8ea77c690b5e33930575134c1.jpg

 

Thanks for the contact info. I (or my friend) will try reaching out. I'll report back here if I learn anything. 

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Great, it did look a bit like one but now you have a definitive answer.  Good to know he's a resource for future questions with their material.

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11 hours ago, Praefectus said:

@Runner64 @Troodon

 

I've got an update. Alexander Averianov responded and said it is a plesiosaur tooth. Thanks for all the help. My friend is overjoyed to have an identification. :D

Great glad to have an update!

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