FF7_Yuffie Posted December 29, 2023 Share Posted December 29, 2023 Hi, thoughts on this? The base looks Rexy, but the tooth is quite thin rather than fat, so I am thinking it might be Nano, not Rex? Any thoughts would be great. 1.2 inches, from Powder Rivery County, Hell Creek 2 Link to comment Share on other sites More sharing options...
pachy-pleuro-whatnot-odon Posted December 29, 2023 Share Posted December 29, 2023 I think @paulyb135 would call this a T. rex, right? 'There's nothing like millions of years of really frustrating trial and error to give a species moral fibre and, in some cases, backbone' -- Terry Pratchett Link to comment Share on other sites More sharing options...
FF7_Yuffie Posted December 29, 2023 Author Share Posted December 29, 2023 1 hour ago, pachy-pleuro-whatnot-odon said: I think @paulyb135 would call this a T. rex, right? Rex was my immediate thought with the base, but the thinness of the tooth made me second guess myself, so I thought I'd best get a second opinion. Link to comment Share on other sites More sharing options...
patelinho7 Posted December 29, 2023 Share Posted December 29, 2023 The base pinch is what determines the difference, right? 5th photo down looks like the right side of the base comes in a bit. Just an observation, because at first glance I do agree it looks more like a Rex tooth. Link to comment Share on other sites More sharing options...
paulyb135 Posted December 29, 2023 Share Posted December 29, 2023 11 hours ago, pachy-pleuro-whatnot-odon said: I think @paulyb135 would call this a T. rex, right? I would say this is T rex 2 Link to comment Share on other sites More sharing options...
FF7_Yuffie Posted December 30, 2023 Author Share Posted December 30, 2023 3 hours ago, paulyb135 said: I would say this is T rex Thanks very much! Link to comment Share on other sites More sharing options...
Dean L Posted December 30, 2023 Share Posted December 30, 2023 I also agree with the others that this is T. rex. The fact that the base does not have a pinch and is more round/oval makes me think rex. 1 Link to comment Share on other sites More sharing options...
jikohr Posted December 30, 2023 Share Posted December 30, 2023 Plus one for rex. 1 Link to comment Share on other sites More sharing options...
Frightmares Posted December 31, 2023 Share Posted December 31, 2023 I agree, rex Link to comment Share on other sites More sharing options...
Dino Dad 81 Posted December 31, 2023 Share Posted December 31, 2023 (edited) 100% rex The pinch appearance is just the mesial carina--not the overall shape of the base. And I don't think you'll ever find a nano tooth with a CBR that close to 1. Edited December 31, 2023 by Dino Dad 81 Link to comment Share on other sites More sharing options...
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