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ID: Dinosaur Bone Fragment (Epoccipital?)


BigJim2500

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Found this enigmatic piece on one of my digs in Wyoming. Found on a ranch in the Lance Creek Formation (Maastrichtian age).

Not sure if anything can be said about it other than that it is a bone fragment, but maybe someone knows more than I do. Seems too big/thick to be turtle, but potentially possible. Seems like it could be a worn spike or epoccipital of some sort? (A lot of triceratops specimens were found in the area.

Hopefully I can get a bit better of handle on what this is,

 

Thanks for the help!

06328D4F-59D1-4E51-914E-00B342C8DE43.jpeg

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How about a view looking down from the tip.  A very worn Ceratopsian nasal core?

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25 minutes ago, Troodon said:

How about a view looking down from the tip.  A very worn Ceratopsian nasal core?

Possible. Maybe too asymmetrical, but very worn so hard to tell.

 

 

 

B8E3ABF5-07C2-46F8-BE21-66F5698D2ACA.jpeg

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23 minutes ago, Troodon said:

It should be asymmetrical

 

5aeb489509bc7_NasalHornDevelopment.jpg.5bcf3da523476b5b79359bc24e6b9b9d.jpg

Ah. Not too familiar with the smaller bits in the front compared to the frill parts. 4928 seems similar. Do you think anything more conclusive could be said about the bone, or is it too worn?

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What view is your last photo it's blurry

The grain works for a horn core but it is very worn06328D4F-59D1-4E51-914E-00B342C8DE43.jpeg.aa4e8d991f373caedaafff7d5fe93b48.thumb.jpg.4344900cc9a839fb219669b509a553d9.jpg

 

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troodon... explain to me how a nose horn core should be asymmetircal?  I also thought it might be a beat up nasal horn, but am not sure... the second photo doesn't show much typical ceratopsian texture.  

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38 minutes ago, jpc said:

troodon... explain to me how a nose horn core should be asymmetircal?  I also thought it might be a beat up nasal horn, but am not sure... the second photo doesn't show much typical ceratopsian texture.  

The veining is not there which is a problem but it might just be because its very worn.   Hard to say just guess work. 

Okay they dont have to be asymmetrical but many are, stand corrected.

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2 hours ago, Troodon said:

What view is your last photo it's blurry

The grain works for a horn core but it is very worn06328D4F-59D1-4E51-914E-00B342C8DE43.jpeg.aa4e8d991f373caedaafff7d5fe93b48.thumb.jpg.4344900cc9a839fb219669b509a553d9.jpg

 

The view of the last photo is from the tip going to the back, with the marrow-y side on the right and flat on the left.

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