Fossil'n'Roll Posted March 4, 2019 Share Posted March 4, 2019 I just saw this tooth listed as Dakotaraptor. It's 3/4" long. Most of these "Dakotaraptor" teeth I see just scream Nanotyrannus, but I'm not so sure on this one. I looked at my Acheroraptor and Nanotyrannus teeth and the distal serrations look a bit more like those of Acheroraptor - especially those near the base. Unfortunately, the mesial serrations are all worn off. What do you guys think? Link to comment Share on other sites More sharing options...
Runner64 Posted March 4, 2019 Share Posted March 4, 2019 For comparison sake it might be difficult to make an ID based on photos if the mesial serrations are missing. To me, there is not enough concrete evidence to be 100% sure and could very well see it being Nanotyrannus also. 1 Link to comment Share on other sites More sharing options...
Troodon Posted March 4, 2019 Share Posted March 4, 2019 Keep screaming NANOTYRANNUS anyway without the mesial carina its difficult to call but the lingual twist also says its not Dakotaraptor. Denticles also appear to be chisel shaped typical of Tyrannosaurids. Mesial carina also extends to far down toward base, unlike holotypes of Dakotaraptor which end higher see photo 3 Link to comment Share on other sites More sharing options...
Fossil'n'Roll Posted March 4, 2019 Author Share Posted March 4, 2019 Thanks, I suspected it would be impossible to ID without the mesial serrations. And you're right about the carina. Thanks for that picture. I'll pass on this one and keep looking. Link to comment Share on other sites More sharing options...
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