Rockhounder1 Posted November 14, 2020 Share Posted November 14, 2020 This was found in southern Colorado. I’m not sure what it is. Link to comment Share on other sites More sharing options...
Fossildude19 Posted November 14, 2020 Share Posted November 14, 2020 Could be a root cast. 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...
Rockwood Posted November 15, 2020 Share Posted November 15, 2020 Is there any texture visible inside the hole ? I'm wondering if it could be a worn internal mold of a rudist bivalve. 1 Link to comment Share on other sites More sharing options...
Rockhounder1 Posted November 17, 2020 Author Share Posted November 17, 2020 Rockwood I will try to get some better images. The hole seems to be fairly smooth but with wear like the outside. Link to comment Share on other sites More sharing options...
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