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Nanotyraannus, Rex or Raptor?


FF7_Yuffie

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Hi,

 

Any thoughts on this? It is from Garfield, County, Montana. 

1.8 cm so it's quite small.

 

The serrations are a bit battered and have matrix stuck on them, but are present. 

 

Any thoughts would be appreciated. The white marks, am I right that this is from plant roots wrapped around the tooth? 

 

Thanks

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Correct the white marks are root etchings.  What you have is the business end of a Tyrannosaurid tooth, its missing a portion of the base end.  Unfortunately its the base that is needed to ID this tooth.  Its robustness suggests T rex but nothing to take to the bank on a partial tooth.  An indeterminate tyrannosaurid.

 

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