gturner333 Posted June 30, 2020 Share Posted June 30, 2020 I found this in some Lance formation matrix. Might it be an ankylosaurus tooth? If not, what do you think it may be? Thanks for any help. The hash marks are 1mm. Link to comment Share on other sites More sharing options...
Troodon Posted June 30, 2020 Share Posted June 30, 2020 I believe this is a Thescelosaurus tooth. 2 Link to comment Share on other sites More sharing options...
PrehistoricWonders Posted June 30, 2020 Share Posted June 30, 2020 I agree with @Troodon Link to comment Share on other sites More sharing options...
gturner333 Posted July 1, 2020 Author Share Posted July 1, 2020 Thanks for the ID. Link to comment Share on other sites More sharing options...
pachy-pleuro-whatnot-odon Posted July 1, 2020 Share Posted July 1, 2020 @Troodon and @Familyroadtrip, I'm by far not versed in dinosaur teeth, but I'd have said ankylosaur too, based on the overall leaf-shape of the tooth and the cusps along it's ridge. What's the difference? '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...
Troodon Posted July 1, 2020 Share Posted July 1, 2020 38 minutes ago, pachy-pleuro-whatnot-odon said: @Troodon and @Familyroadtrip, I'm by far not versed in dinosaur teeth, but I'd have said ankylosaur too, based on the overall leaf-shape of the tooth and the cusps along it's ridge. What's the difference? Hell Creek /Lance taxons are identical Here is an Ankylosaurus tooth. Strong center ridge and bulbous shelf at base. A Nodosaurid like Denversaurus has more of a pocket as well as a shelf Thescelosaurus teeth vary quite a bit in the jaw but are more leaf shaped with fine ridges running vertically across the face and some have a slightly larger ridge in the center 3 Link to comment Share on other sites More sharing options...
pachy-pleuro-whatnot-odon Posted July 1, 2020 Share Posted July 1, 2020 Thanks for the excellent explanation, @Troodon! Very interesting to see that such minute differences can be so telling...! '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...
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