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Hell creek formation bone ID


Alex S.

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Hello everyone,

 

I have a bone that was in a cavity of another mystery bone that I will post when I'm done preparing it. I'm totally stumped on this bone though.

My first thought was a piece of vertebra due to the interior curvature you see here, but it isn't matching up to anything I'm familiar with.

 

Next I thought possibly a pachycephalosaur skull element, due to the rounding - it might not be able to be identified due to how small and incomplete it is,  but if anyone has any idea I'd really appreciate it!

 

 

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I'm perplexed.  You have a lot of original surface, but I cant picture what it might have been, even trying to picture possible symmetry for missing part.  

"There is no shortage of fossils. There is only a shortage of paleontologists to study them." - Larry Martin

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Myself as well. The rounded part is very thin which makes me think of an articular surface but then the bottom interior curvature throws me off.

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