Ropterus Posted June 19, 2016 Share Posted June 19, 2016 Found this surface collecting on the Potomac yesterday. Its not complete unfortunately, and I haven't been able to find what it could be, so I appreciate any help with this. Other than this, my daughter found a small gastropod and we found quite a few teeth, but nothing to brag about. Link to comment Share on other sites More sharing options...
CraigHyatt Posted June 19, 2016 Share Posted June 19, 2016 Crustacean tail? Info: Craig Hyatt, retired software/electrical engineer Experience: Beginner, fossil hunting less than a year Location: Eagle Pass, TX USA on the border with Mexico, hot dry desert Formation: Escondido, Marine, Upper Cretaceous Materials: Sandstone, Mudstone, Shale, Chert, Chalk Typical: Thalassinoides, Sphenodiscus, Exogyra, Inoceramus Reference: http://txfossils.com/Txfossils.html Link to comment Share on other sites More sharing options...
Rockwood Posted June 20, 2016 Share Posted June 20, 2016 I wouldn't rule out ironstone. It's a frequent fossil mimic. Link to comment Share on other sites More sharing options...
Ropterus Posted June 20, 2016 Author Share Posted June 20, 2016 Thanks for your input Craig and Rockwood. So far, I haven't been able to find anything else online that looks similar. The "fossil" part is raised about 1/4" and it is flat underneath. Link to comment Share on other sites More sharing options...
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