Cereal Posted April 20, 2021 Share Posted April 20, 2021 Link to comment Share on other sites More sharing options...
Ludwigia Posted April 20, 2021 Share Posted April 20, 2021 *Sigh*. Where are they from exactly? What is the stratigraphy? Maybe orthocone nautiloid. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Cereal Posted April 20, 2021 Author Share Posted April 20, 2021 From north of Estonia. No idea what the stratigraphy is. Link to comment Share on other sites More sharing options...
Myrmica Posted April 20, 2021 Share Posted April 20, 2021 I agree with @Ludwidia. This looks to be a straight-shelled nautiloid that has eroded through at an oblique angle. Link to comment Share on other sites More sharing options...
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