Lydia.K.Tyree Posted February 11, 2022 Share Posted February 11, 2022 These are photos of an unidentified tooth from the lance formation in Wyoming, it was put in a group of mammal teeth all approximately in the range of 2-4 mm in size. Among the teeth two of them have been identified as shark, one is a Lissodus and the other is unknown as of now. If there are any ideas as to what this tooth could be please do share. Link to comment Share on other sites More sharing options...
JohnJ Posted February 11, 2022 Share Posted February 11, 2022 Do you images showing the entire specimen from standard angles? @MarcoSr The human mind has the ability to believe anything is true. - JJ Link to comment Share on other sites More sharing options...
jpc Posted February 11, 2022 Share Posted February 11, 2022 (edited) the second one is looking at the rootless base of the tooth. But can we see the whole tooth from sides and straight onto the chewing surface? Ihave seen thousands of Lance Fm teeth and this one looks unfamiliar, at least with these shots. Edited February 11, 2022 by jpc Link to comment Share on other sites More sharing options...
Lydia.K.Tyree Posted February 11, 2022 Author Share Posted February 11, 2022 These are the only other ones I have, I can take some more. I was focusing on details because it is the only hollow tooth in the collection. HRS9057(R).bmp HRS9057.bmp Link to comment Share on other sites More sharing options...
Fossildude19 Posted February 11, 2022 Share Posted February 11, 2022 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
MarcoSr Posted February 11, 2022 Share Posted February 11, 2022 1 hour ago, JohnJ said: Do you images showing the entire specimen from standard angles? The texture reminds me of a shark tooth @MarcoSr I can't open the two new pictures, and I just can't tell much from the original pictures. The crown texture in the original pictures reminds me of a shark tooth, like Acrodus or Polyacrodus. But I definitely need better pictures. Marco Sr. "Any day that you can fossil hunt is a great day." My family fossil website Some Of My Shark, Ray, Fish And Other Micros My Extant Shark Jaw Collection Link to comment Share on other sites More sharing options...
Lydia.K.Tyree Posted February 14, 2022 Author Share Posted February 14, 2022 Are these easier to see? I have never used this particular microscope and I have never taken standard specimen photos. The person who attached the teeth to their mounts accidentally glued them on crooked so it is harder to capture them as a whole. HRS9057(4).bmp HRS9057(5).bmp HRS9057(6).bmp Link to comment Share on other sites More sharing options...
Troodon Posted February 14, 2022 Share Posted February 14, 2022 These are very large files can you post the photos directly on your topic. Link to comment Share on other sites More sharing options...
Lydia.K.Tyree Posted February 14, 2022 Author Share Posted February 14, 2022 (edited) I am sorry, this has been a learning experience! Edited February 14, 2022 by Lydia.K.Tyree Link to comment Share on other sites More sharing options...
jpc Posted February 14, 2022 Share Posted February 14, 2022 this is very weird for the Lance. I want to say a multituberculate (mammal) tooth, but it has too many grooves. I may have to look into this...in my spare time. Link to comment Share on other sites More sharing options...
Troodon Posted February 14, 2022 Share Posted February 14, 2022 Very interesting tooth, nice and quite odd. Sorry cannot help hopefully jpc can provide some insight. Link to comment Share on other sites More sharing options...
Lydia.K.Tyree Posted February 15, 2022 Author Share Posted February 15, 2022 Here is one more tooth that has not been identified, however, we do know it is a shark tooth. A Lissodus tooth has already been identified but I do not think that is what this is. These are also not standard angle pictures and I do not have constant access to the 3D camera, so I will take more when I can. Link to comment Share on other sites More sharing options...
Troodon Posted February 15, 2022 Share Posted February 15, 2022 Looks like a Lissodus tooth 1 1 Link to comment Share on other sites More sharing options...
jpc Posted February 15, 2022 Share Posted February 15, 2022 Lissodus is a triassic shark. The Lance version is Lonchidion. I do think that the second tooth is one of these. 1 Link to comment Share on other sites More sharing options...
Troodon Posted February 15, 2022 Share Posted February 15, 2022 Sorry I miss wrote it meant Lonchidion. Old age. @jpc Link to comment Share on other sites More sharing options...
jpc Posted February 16, 2022 Share Posted February 16, 2022 7 hours ago, Troodon said: Sorry I miss wrote it meant Lonchidion. Old age. @jpc I know you knew better, but it is always fun when I get to correct you. : ) hehehehe 1 Link to comment Share on other sites More sharing options...
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