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Partial T.rex tooth or Nanotyrannus?


The_bro87

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I bought this tooth last week, and it arrived today. I’m really excited about it, because it’s my biggest tyrannosaur tooth so far, and I believe it’s T.rex. It was found in the Hell Creek formation, but no other locality is given. I think it’s T-rex because of the base lacking any pinching, and the overall robustness, but I always like to hear any opinions others have. Thanks!

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Wasn’t Nanotyrannus declared invalid? I know it’s been in contention for quite some time now, but I thought I remembered reading somewhere recently about it.

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Well regardless of if Nanotyrannus is invalid or not there are still what appears to be 2 types of Tyrannosaur teeth in Hell Creek. 

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Even if it were declared invalid, sellers will still be using ‘nano’ for a long time as it will take a long time to change their mindset.

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I would lean to it being a T rex but boy its close.  Nanotyrannus is very valid but you decide for yourself 

 

 

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The fact that nanotyrannus is or is not tyrannosaurus is not universally accepted by palaeontologists. Wikipedia considers it to be dubious and possibly a nomen dubia but I reckon that’s just the writers opinion.

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Nanotyrannus is valid. One of the posts in this thread did a good job of explaining the politics around the debate. 
 
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1 hour ago, Spoons said:

Wasn’t Nanotyrannus declared invalid? I know it’s been in contention for quite some time now, but I thought I remembered reading somewhere recently about it.

Definitely not invalid. There are contradicting theories however stronger evidence points towards there being two tyrannosaur species in the hell Creek formation 

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