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Can we identify this for caldigger?


Randyw

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Hi everyone. Before he had his accident caldigger sent me these pictures hoping I could help him identify it. We were never able to in over a month of researching and that is bothering me. Do any of you have any ideas. I just thought it would be nice if we could fulfill this request for him. I personally think he will know if we do... thank you.

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21D6D818-BF62-4A51-B7E0-CF2A6CD16DB3.jpeg

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The only info he could give me was he got it with a bunch of bones and skull pieces from the white river deposits...

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Could it be the edge of a large turtle or tortoise shell? Maybe a peripheral scute? When i first saw it I had no idea as I didn't read the tag, thinking it was something from Shark Tooth Hill, but seeing as it's from the white river fm in SD that's my best guess.

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Turtle seems about the only thing that makes sense.  I'm confused by it as well.  Maybe alligator scute or something?

 

Tough one.

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  • 2 weeks later...

I think it's a neural arch of a mammal vertebra. In  my previous work, I prepared  many dorsal vertebrae of Sirenian (Dugongidae - Kaupitherium), there is a strong resemblance to the neural arcs that I have glued on the centrums.

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