BellamyBlake Posted September 20, 2020 Share Posted September 20, 2020 I have here a Tyrannosaurid tooth identified as Gorgosaurus libratus. It's 3/4" and the provenance is Montana. I'm wondering if the Gorgosaurus claim appears to be accurate. Thank you, Bellamy Link to comment Share on other sites More sharing options...
BellamyBlake Posted September 20, 2020 Author Share Posted September 20, 2020 Link to comment Share on other sites More sharing options...
Top Trilo Posted September 20, 2020 Share Posted September 20, 2020 I can’t distinguish between tyrannosaurs but good luck “If fossils are not "boggling" your mind then you are simply not doing it right” -Ken (digit) "No fossil is garbage, it´s just not completely preserved” -Franz (FranzBernhard) "With hammer in hand, the open horizon of time, and dear friends by my side, what can we not accomplish together?" -Kane (Kane) "We are in a way conquering time, reuniting members of a long lost family" -Quincy (Opabinia Blues) "I loved reading the trip reports, I loved the sharing, I loved the educational aspect, I loved the humor. It felt like home. It still does" -Mike (Pagurus) “The best deal I ever got was getting accepted as a member on The Fossil Forum. Not only got an invaluable pool of knowledge, but gained a loving family as well.” -Doren (caldigger) "it really is nice, to visit the oasis that is TFF" -Tim (fossildude19) "Life's Good! -Adam (Tidgy's Dad) Link to comment Share on other sites More sharing options...
jpc Posted September 20, 2020 Share Posted September 20, 2020 Just Montana? It would helo to know what formation it came from. Without that, who knows. 1 Link to comment Share on other sites More sharing options...
dinosaur man Posted September 20, 2020 Share Posted September 20, 2020 I know the seller it’s Judith River Formation 1 Link to comment Share on other sites More sharing options...
Praefectus Posted September 20, 2020 Share Posted September 20, 2020 I don't believe Campanian tyrannosaur teeth can be distinguished based on isolated teeth alone. Perhaps @Troodon can help. 1 Link to comment Share on other sites More sharing options...
BellamyBlake Posted September 20, 2020 Author Share Posted September 20, 2020 Sorry yeah. @dinosaur man is on the money; it's from Judith River Link to comment Share on other sites More sharing options...
Troodon Posted September 21, 2020 Share Posted September 21, 2020 Its an indeterminate tyrannosaurid tooth. Anyway no tyrannosaurid is described from the JRF. However without a locality you should not trust that formation . Your provenance always needs needs a specific locality. Could be Two Medicine Fm. The answer however is the same. Edit : For everyone: you should have a complete locality when buying teeth from North America. That includes for USA : State and County. Canada: Province and closest town/area. Never trust just a formation 4 Link to comment Share on other sites More sharing options...
jpc Posted September 21, 2020 Share Posted September 21, 2020 2 hours ago, Troodon said: Edit : For everyone: you should have a complete locality when buying teeth from North America. That includes for USA : State and County. Canada: Province and closest town/area. Never trust just a formation And Always... the Formation. 2 Link to comment Share on other sites More sharing options...
BellamyBlake Posted September 21, 2020 Author Share Posted September 21, 2020 2 hours ago, Troodon said: Its an indeterminate tyrannosaurid tooth. Anyway no tyrannosaurid is described from the JRF. However without a locality you should not trust that formation . Your provenance always needs needs a specific locality. Could be Two Medicine Fm. The answer however is the same. Edit : For everyone: you should have a complete locality when buying teeth from North America. That includes for USA : State and County. Canada: Province and closest town/area. Never trust just a formation 1 hour ago, jpc said: And Always... the Formation. The merchant noted it. I just wasn't detailed enough with my post. The provenance is Judith River Formation, Fergus County, Montana. Regardless, I'll assume it's a Tyrannasaurid tooth and nothing more specific than that as you noted @Troodon. Cheers for that. Link to comment Share on other sites More sharing options...
Troodon Posted September 21, 2020 Share Posted September 21, 2020 6 hours ago, BellamyBlake said: The merchant noted it. I just wasn't detailed enough with my post. The provenance is Judith River Formation, Fergus County, Montana. Regardless, I'll assume it's a Tyrannasaurid tooth and nothing more specific than that as you noted @Troodon. Cheers for that. Thanks. To properly ID specimens we do need all the information. Its an indet. Tyrannosaurid 1 Link to comment Share on other sites More sharing options...
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