Jurassicbro238 Posted January 10, 2023 Share Posted January 10, 2023 Hello! I was wondering if this is a soft tissue impression. The specimen is about 2cm long and I think the rock around it is sandstone. It was found in Niobrara County, Wyoming in the Lance Formation. I would like to know what you all think! 2 Link to comment Share on other sites More sharing options...
LordTrilobite Posted January 10, 2023 Share Posted January 10, 2023 Nah, sorry. That looks geological in origin. The pattern isn't regular enough for a skin impression. Olof Moleman AKA Lord Trilobite Link to comment Share on other sites More sharing options...
Jurassicbro238 Posted January 10, 2023 Author Share Posted January 10, 2023 Ah ok, thanks! Do you know what could've caused something like this to form? Link to comment Share on other sites More sharing options...
patelinho7 Posted January 10, 2023 Share Posted January 10, 2023 Mudcracks maybe? Link to comment Share on other sites More sharing options...
jpc Posted January 10, 2023 Share Posted January 10, 2023 This is pretty close. It looks like some of the skin impressions I have found in the Lance... but just not quite right. On the other hand, I have not seen any other rocks that look like this in the Lance (in 20 years of collecting there). 1 Link to comment Share on other sites More sharing options...
Jurassicbro238 Posted January 11, 2023 Author Share Posted January 11, 2023 4 hours ago, jpc said: This is pretty close. It looks like some of the skin impressions I have found in the Lance... but just not quite right. On the other hand, I have not seen any other rocks that look like this in the Lance (in 20 years of collecting there). Out of curiosity, what do they look like? Hoping to keep an eye out in the future. Link to comment Share on other sites More sharing options...
jpc Posted January 11, 2023 Share Posted January 11, 2023 I will try to get you some photos. soon...I hope. Link to comment Share on other sites More sharing options...
jpc Posted January 13, 2023 Share Posted January 13, 2023 Here is some Lance Fm hadrosaur skin impressions...Tate Museum v1974. Part and counterpart. and a close up of the left piece. 4 1 Link to comment Share on other sites More sharing options...
Troodon Posted January 13, 2023 Share Posted January 13, 2023 @jpc that's a very nice specimen with both sides. You can see the character in each node Link to comment Share on other sites More sharing options...
jpc Posted January 13, 2023 Share Posted January 13, 2023 (edited) yeah, I was tickled when I found it... we were innocently collecting a stupid pile of tendons and that showed up randomly in the matrix. The same animal had some bones in a concretion and there is a lot more skin on this piece shown below. Edited January 13, 2023 by jpc 2 7 Link to comment Share on other sites More sharing options...
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