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ID needed for my new tooth


X.Rex

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Hello dear fellow fossil lovers

 

Recently my interest of collecting stuff has shifted to dinosaur teeth, and having a decent sized T Rex tooth in my collection is a must thanks to my OCD. Dinosaurs has fascinated me ever since I was a kid.

 

So after I sold one of my beloved guitars, here it is. I counted the serrations on both side, about 18-22 per cm so should confirm it is pulled out from an adult T.Rex based on what I have read. The info says it was unearthed from Lance Creek fm. Being a complete noob on dino fossile 

 

Please let me know what you guys think, does this look like the real deal to you?

 

 

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I  am not very knowledgeable about dino stuff. But I will say that looks like one sweet tooth! Troodon oh Troodon were art thou now Troodon?

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4 minutes ago, doushantuo said:

i hate to disappoint everybody,but serration density is not very informative,fide Farlow/Brinkman(1991) et al.

 

And that is why I post pics here to ask for help from people with more informative ID methods. ;)

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Nice tooth and definitely a tyrannosaurid.  What is the length of the tooth?   Can you take a straight in  picture of the  base 

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njfossilhunter

Oh ...yea its a T-REX tooth for sure.....Super nice tooth. I have been wanting one of these for a long time now....But way out of my budget..But I do have a scientific study cast of one of Stan's teeth and it does look real.  

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27 minutes ago, Troodon said:

Nice tooth and definitely a tyrannosaurid.  What is the length of the tooth?   Can you take a straight in  picture of the  base 

 

Here you go! The tooth is about 7.5 cm or 3 inch straight line. Hope that helps

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2 hours ago, doushantuo said:

 

Thanks for the links to the detailed studies, this is exactly the kind of in-depth knowledge I need to educate myself with

 

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Wanted to make sure we are not looking at a large Nanotyrannus.  Size, robustness coupled with your serration count clearly says Rex.  A study I conducted with my teeth indicated for a 3" tooth you can expect serrations to be what 1.8-2/mm, exactly what yours is.   Nice tooth and most likely a left maxillary one.

 

 

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7 minutes ago, Troodon said:

From what localities are you interested in dinosaurs teeth?

 

Lance and Hell Creek Formations most likely, thats where my favorite ones used to live ;)

 

Other than that Nemegt Formation would be another place I want to go look for dino teeth, but that's off the limit currently I guess

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Definitely T. rex.

In my opinion, it is not not robust enough labial/lingually to be from the dentary. So I agree with Troodon on it being a maxillary tooth. But I disagree on it being a left maxillary. It's a right maxillary. 

The posterior (distal) serrations are labially placed, and the anterior (medial) serrations are lingually oriented making it a right maxillary tooth. 

 

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