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Showing results for tags 'ridged'.
Good evening everyone! Hope everyone is safe and healthy! Found this little (15mm) "ammonoid", that, to the best I can find is an example of a ridged ammonite Neoglyphioceras sp? (Unklesbay Common fossils of Missouri 1973). It was found in Pennsylvanian Winterset limestone in Kansas City. Is this a fair observation/guess? Thanks for any input! Bone
Finally getting around to posting a pic of a piece I found at last weekends "Dig with the Experts" (I was there Saturday wearing my FF shirt). Along with several enrolled Eldredgeops, a nice prone one, a few brachs and snails, I brought this piece home as well. It isn't the easiest to get a good pic of, but I showed it to several people there including other FF members and the PD staff and nobody had seen anything quite like it. The consensus is that it's a trace but the ridge running along the middle is what's causing people to scratch their heads. Has anyone ever seen a similar example? Than