-Andy- Posted October 27, 2019 Share Posted October 27, 2019 Hi all, I was recently offered this tooth from late Cretaceous of Orensburg, Russia. Most likely Gaisky City District. I can't figure out if it's a Polycotylid plesiosaur or Pterosaur tooth. The overall shape is closer to pterosaur than plesiosaur. However, I am not aware of pterosaur having wrinkling like that, nor do I know of pterosaur teeth being found there. What are your thoughts on this? Thank you. 1 Looking forward to meeting my fellow Singaporean collectors! Do PM me if you are a Singaporean, or an overseas fossil-collector coming here for a holiday! Link to comment Share on other sites More sharing options...
RuMert Posted October 27, 2019 Share Posted October 27, 2019 Taking into account that Gay quarry features marine fauna remains, its 99% plesiosaur 1 My sites & reports Link to comment Share on other sites More sharing options...
Rockwood Posted October 27, 2019 Share Posted October 27, 2019 1 minute ago, RuMert said: Taking into account that Gai quarry features marine fauna remains, its 99% plesiosaur Isn't that a bit strong, considering the percentage of pterosaurs that were piscivorous ? Link to comment Share on other sites More sharing options...
RuMert Posted October 27, 2019 Share Posted October 27, 2019 Ulyanovsk region, where I used to collect, is the same Tethys ocean, albeit earlier - abundant ichthyosaur and plesiosaur remains, but only a couple of pterosaurs in 200 years. So 99 to 1 is a good bet I guess:) 3 My sites & reports Link to comment Share on other sites More sharing options...
Rockwood Posted October 27, 2019 Share Posted October 27, 2019 Off shore too far perhaps ? Link to comment Share on other sites More sharing options...
Randyw Posted October 27, 2019 Share Posted October 27, 2019 32 minutes ago, RuMert said: only a couple of pterosaurs But they have been found there. So it does happen... my vote is for pterosaur..is the base oval? If I’m not mistaken pterosaurs are oval and plesiosaur are more round... 1 Link to comment Share on other sites More sharing options...
dinosaur man Posted October 27, 2019 Share Posted October 27, 2019 Looks like pterosaur Link to comment Share on other sites More sharing options...
-Andy- Posted October 28, 2019 Author Share Posted October 28, 2019 Interesting... My Russian contact says it's a Polycotylid plesiosaur. My friend who collects Polycotylid skulls also said this tooth matches the teeth on his However, my friend who digs in Kem Kem said it's a pterosaur tooth based on the morphology, another friend who collects marine reptile and pterosaur teeth said the same. Guess I will have to get more pics once it arrives 1 Looking forward to meeting my fellow Singaporean collectors! Do PM me if you are a Singaporean, or an overseas fossil-collector coming here for a holiday! Link to comment Share on other sites More sharing options...
Rockwood Posted October 28, 2019 Share Posted October 28, 2019 Perhaps an example of one sees what one knows ? Link to comment Share on other sites More sharing options...
Troodon Posted October 28, 2019 Share Posted October 28, 2019 I dont have answers but... Primarily a Marine Locality.. How many Pterosaur teeth have that type of ornimatation? Have not seen any.. How many Russian Plesiosaurs teeth have striations? Lots and typical 4 Link to comment Share on other sites More sharing options...
-Andy- Posted October 30, 2019 Author Share Posted October 30, 2019 On 28/10/2019 at 7:35 PM, Troodon said: I dont have answers but... Primarily a Marine Locality.. How many Pterosaur teeth have that type of ornimatation? Have not seen any.. How many Russian Plesiosaurs teeth have striations? Lots and typical I agree with you in general. Playing devil's advocate though, there are some Kem Kem pterosaurs with this striation as well 3 Looking forward to meeting my fellow Singaporean collectors! Do PM me if you are a Singaporean, or an overseas fossil-collector coming here for a holiday! Link to comment Share on other sites More sharing options...
Troodon Posted October 30, 2019 Share Posted October 30, 2019 Thanks did not know. Link to comment Share on other sites More sharing options...
-Andy- Posted November 18, 2019 Author Share Posted November 18, 2019 The tooth arrived. After comparing it to my other teeth, I've concluded that it is an Elasmosauridae indet. tooth. 6 Looking forward to meeting my fellow Singaporean collectors! Do PM me if you are a Singaporean, or an overseas fossil-collector coming here for a holiday! Link to comment Share on other sites More sharing options...
Anomotodon Posted November 19, 2019 Share Posted November 19, 2019 Agreed, looks like an Elasmosaurid because of the degree of labio-lingual compression. Great tooth, Andy! 1 The Tooth Fairy Link to comment Share on other sites More sharing options...
Randyw Posted November 19, 2019 Share Posted November 19, 2019 Now that we can see the base I agree elasmosaurid. 1 Link to comment Share on other sites More sharing options...
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