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Triassic Jaw Specimen, but what kind?


rkfrace

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Hello all!  Any insight on this unidentified fossil, from Eastern Arizona, Chinle Formation, would be deeply appreciated.  I'm presuming it's a partial phytosaur jaw, but I really have no idea.  Originally from a family who collects on their private ranch.   Please see images, which includes extreme close-ups. 

 

[P.S., this is the 2nd of 5 specimens that I'm posting for ID today; I deeply appreciate any insight that you can provide].  With gratitude,  Ryan 

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I think its going to be difficult to ID but phytosaur is probably not a bad guess.  You may want to try to contact 

Sterling J. Nesbitt of the American Museum of Natural History he's done a number of publications on triassic archosaurs  

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Thanks for the helpful reply, Troodon!  You're awesome.   FOLLOW UP EDIT:   Nesbitt wrote back and confirmed that the specimen is indeed from a phytosaur!  

Edited by rkfrace
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