Joebiwan3 Posted May 10, 2020 Share Posted May 10, 2020 This next tooth im posting is another one from the Hell Creek Formation. It was found in the Tooth Draw Quarry in Butte County South Dakota. Its CH is 14.5 mm CL is 5.5 mm Its got a round base I wish i could give you a serration count but there arent any so this may be a tough one. Paronychodon maybe? Give it your best guess! @Troodon Link to comment Share on other sites More sharing options...
Joebiwan3 Posted May 10, 2020 Author Share Posted May 10, 2020 Link to comment Share on other sites More sharing options...
Joebiwan3 Posted May 10, 2020 Author Share Posted May 10, 2020 Link to comment Share on other sites More sharing options...
Joebiwan3 Posted May 10, 2020 Author Share Posted May 10, 2020 Link to comment Share on other sites More sharing options...
Troodon Posted May 10, 2020 Share Posted May 10, 2020 I would lean toward this being "cf Richardoestesia". It should have some very fine serrations guessing they are worn. Can you see any under a scope. 1 Link to comment Share on other sites More sharing options...
Joebiwan3 Posted May 10, 2020 Author Share Posted May 10, 2020 Nothing under the scope Link to comment Share on other sites More sharing options...
Joebiwan3 Posted May 10, 2020 Author Share Posted May 10, 2020 1 hour ago, Troodon said: I would lean toward this being "cf Richardoestesia". It should have some very fine serrations guessing they are worn. Can you see any under a scope. Do you think this could be from something we have not discovered as of yet? Link to comment Share on other sites More sharing options...
Troodon Posted May 10, 2020 Share Posted May 10, 2020 Unlikely Link to comment Share on other sites More sharing options...
hadrosauridae Posted May 10, 2020 Share Posted May 10, 2020 If this came from TD, it should have a positive ID as well as a specimen log # unless it was stolen. No way that Walter would have let this go without cataloging. PS- thats not a round base, its oval. ETA- I'm going to make a tentative guess that this is nanotyrannus with worn serrations, but dont take that as gospel. "There is no shortage of fossils. There is only a shortage of paleontologists to study them." - Larry Martin Link to comment Share on other sites More sharing options...
Joebiwan3 Posted May 10, 2020 Author Share Posted May 10, 2020 2 hours ago, hadrosauridae said: If this came from TD, it should have a positive ID as well as a specimen log # unless it was stolen. No way that Walter would have let this go without cataloging. PS- thats not a round base, its oval. ETA- I'm going to make a tentative guess that this is nanotyrannus with worn serrations, but dont take that as gospel. This tooth has been catalogued in the database. I just want to see what everyone says before i state what it was listed as. Walter is great. His work is fantastic. Link to comment Share on other sites More sharing options...
JoeS Posted May 10, 2020 Share Posted May 10, 2020 hard tooth to ID, the only thing suggesting Paronychodon type would be that one side is more flattish, judging from the cross section, but the typical ridges are absent - or maybe a hint in your first image? hard to tell. for now I would go with Troodon, possibly cf. Richardoestesia with very worn down distal serrations. 2 Link to comment Share on other sites More sharing options...
TyBoy Posted May 11, 2020 Share Posted May 11, 2020 + 1 for cf Richardoestesia 1 Link to comment Share on other sites More sharing options...
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