DINOMAN91 Posted April 6, 2020 Share Posted April 6, 2020 These egg shells were found at a site in Montana with some troodon teeth are these possibly troodon egg shells? There around 1mm thick with a smooth surface Link to comment Share on other sites More sharing options...
Rockwood Posted April 6, 2020 Share Posted April 6, 2020 I must be done. @Troodon Link to comment Share on other sites More sharing options...
DINOMAN91 Posted April 6, 2020 Author Share Posted April 6, 2020 ?? Link to comment Share on other sites More sharing options...
Rockwood Posted April 6, 2020 Share Posted April 6, 2020 Just now, DINOMAN91 said: ?? He's the man to ask. Link to comment Share on other sites More sharing options...
DINOMAN91 Posted April 6, 2020 Author Share Posted April 6, 2020 I’m hoping he responds to this post with his knowledge Link to comment Share on other sites More sharing options...
jpc Posted April 6, 2020 Share Posted April 6, 2020 When I worked at Egg Mountain, we said the troodon eggshell bits were the highly textured ones. This is lacking that texture, but I think the ID on Two Medicine eggshells has shifted. Link to comment Share on other sites More sharing options...
Troodon Posted April 6, 2020 Share Posted April 6, 2020 Do you have a locality where this was found? Link to comment Share on other sites More sharing options...
DINOMAN91 Posted April 7, 2020 Author Share Posted April 7, 2020 Two medicine formation on private land along with some troodon teeth and bones as well as not far from that site they found Unidentified raptor eggs I can post some of those as well maybe you can give your opinion of a species Possibly Link to comment Share on other sites More sharing options...
DINOMAN91 Posted April 7, 2020 Author Share Posted April 7, 2020 Here some photos of the other egg shells found near the same site labeled as raptor egg shells 1 Link to comment Share on other sites More sharing options...
Troodon Posted April 7, 2020 Share Posted April 7, 2020 Do you know the county where they were found. These look like Two Medicine. Link to comment Share on other sites More sharing options...
DINOMAN91 Posted April 7, 2020 Author Share Posted April 7, 2020 Okay sorry had to get into contact with him both sets off egg shells were found close to the same area in the two medicine formation along with troodon teeth and Bambi raptor bones Link to comment Share on other sites More sharing options...
DINOMAN91 Posted April 7, 2020 Author Share Posted April 7, 2020 And I’m working on the exact county troodon I think he’s crashed out for the night so I will get you that information tomorrow Link to comment Share on other sites More sharing options...
DINOMAN91 Posted April 7, 2020 Author Share Posted April 7, 2020 East of browning montana If that helps Link to comment Share on other sites More sharing options...
Troodon Posted April 7, 2020 Share Posted April 7, 2020 The area around Browing is Two Medicine FM. JRF is more north centrally located. Link to comment Share on other sites More sharing options...
Troodon Posted April 7, 2020 Share Posted April 7, 2020 This was provided by @CBchiefski dont recall its orgin but its TMF. 2 Link to comment Share on other sites More sharing options...
DINOMAN91 Posted April 7, 2020 Author Share Posted April 7, 2020 Thank you troodon for all your information and thank you to everyone else for your comments Link to comment Share on other sites More sharing options...
CBchiefski Posted May 26, 2020 Share Posted May 26, 2020 (edited) Howdy @DINOMAN91 , and thanks for your patience as I have been quite busy this spring. From what you are describing as the location along with their level of preservation, they are likely from Two Medicine Formation and I will give my opinions based on that assumption. The smooth eggshell is likely Prismatoolithus, which is the eggshell type associated with Troodon. The bumpy eggshell is most likely Continuoolithus, which was originally thought to be the eggs of Troodon like @jpc said. Sadly the only embryonic remains associated with Continuoolithus are not diagnostic but we can be fairly confident the eggs are from a smaller non-avian theropod dinosaur. The remaining fragments all appear to have the same surface ornamentation, could you provide a cross-section picture, like the 2nd pic of the smooth eggshell? They have varying levels of erosion plus sediments covering the shell and so I suspect Spheroolithus but would like a side picture to be more certain. There are other eggshell types which they could be. Edited May 27, 2020 by CBchiefski typo 2 Link to comment Share on other sites More sharing options...
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