Per Christian Posted September 24, 2022 Share Posted September 24, 2022 Came across this tooth, the location is: Severst Sandstone Formation Volga River Region, Russia Late Jurassic 145 Mya. The striations tells me it's ichthyosaur, but the root looks pliosaur to me, do I'm curious. What do people here think? It's 34 mm long @pachy-pleuro-whatnot-odon Link to comment Share on other sites More sharing options...
pachy-pleuro-whatnot-odon Posted September 24, 2022 Share Posted September 24, 2022 Folded enamel, so ichthyosaur. The condition with the root derives from the fact that it's rather worn. But overall it does conform to the root shape seen in other platypterygiine ichthyosaurs: 1 '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...
Per Christian Posted September 24, 2022 Author Share Posted September 24, 2022 Thank you @pachy-pleuro-whatnot-odon! Your help is invaluable 1 Link to comment Share on other sites More sharing options...
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