schli008 Posted November 16, 2023 Share Posted November 16, 2023 Recently found on a float trip in Central Montana in the Missouri breaks. Roughly 3 inches long. 1 Link to comment Share on other sites More sharing options...
Al Dente Posted November 16, 2023 Share Posted November 16, 2023 Looks like a single chamber from an ammonite. 2 6 Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted November 16, 2023 Share Posted November 16, 2023 I agree. Ammonite fragment. Mark. Fossil hunting is easy -- they don't run away when you shoot at them! Link to comment Share on other sites More sharing options...
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