Nandomas Posted July 21, 2010 Share Posted July 21, 2010 (edited) I need help to identify this cephalopod my wife found in Jacksboro, TX Thanks Edited July 21, 2010 by Fossili Veraci Erosion... will be my epitaph! http://www.paleonature.org/ https://fossilnews.org/ Link to comment Share on other sites More sharing options...
Uncle Siphuncle Posted July 21, 2010 Share Posted July 21, 2010 Cooperoceras? Grüße, Daniel A. Wöhr aus Südtexas "To the motivated go the spoils." Link to comment Share on other sites More sharing options...
Dave Bowen Posted July 21, 2010 Share Posted July 21, 2010 (edited) It looks to me like a Hoploscaphitesnodosus ammonite. It could also be a Mortoniceras if it has a spinal ridge along the back. Hard to tell from that picture. I find those (Hoploscaphitesnodosus) inside concretion nodules in the NSR fairly often, but most of them are riddled with calcite formations. Clean it up a bit and post another picture, maybe that will help with the ID. Edited July 21, 2010 by Dave Bowen Dave Bowen Collin County, Texas. Paleontology: The next best thing to time travel. Link to comment Share on other sites More sharing options...
Uncle Siphuncle Posted July 21, 2010 Share Posted July 21, 2010 Dave Jacksboro is Pennsylvanian, roughly 303 MYA. The NSR is Upper Cretaceous, roughly 70-75 MYA. The fauna are different between those ages, although there may be some surface similarities upon cursory examination. Grüße, Daniel A. Wöhr aus Südtexas "To the motivated go the spoils." Link to comment Share on other sites More sharing options...
Nandomas Posted July 21, 2010 Author Share Posted July 21, 2010 (edited) Thanks for your replies I will post other photos, if I will find the box with specimes Edited July 21, 2010 by Fossili Veraci Erosion... will be my epitaph! http://www.paleonature.org/ https://fossilnews.org/ Link to comment Share on other sites More sharing options...
LanceH Posted July 21, 2010 Share Posted July 21, 2010 Some species of Metacoceras perhaps? Link to comment Share on other sites More sharing options...
Dave Bowen Posted July 21, 2010 Share Posted July 21, 2010 I was looking at the overall geo map of Jack county, and saw early Cretaceous formations listed. I should have zoned in more on the Jacksboro area. Thanks for correcting me. Dave Bowen Collin County, Texas. Paleontology: The next best thing to time travel. Link to comment Share on other sites More sharing options...
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