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Hell Creek - Tiny jaw bones


abctriplets

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We were exploring the Hell Creek Formation in Montana, and found very similar sections of jaw bone. It seems like structurally, this section was the strongest and most likely to survive. As you can see, they are very small...

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Any idea on what these might have come from??

Thanks for any tips!

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The roundness of the tooth holes indicate piscivory, maybe champosaur?

“...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin

Happy hunting,

Mason

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Cool finds! I believe the are sections of Melvius thomasi dentaries...a fish called an amiid or bowfin.

"I am glad I shall never be young without wild country to be young in. Of what avail are forty freedoms without a blank spot on the map?"  ~Aldo Leopold (1887-1948) 

 

New Mexico Museum of Natural History Bulletins    

 

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