Korn D, Weyer D. The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany). EJT [Internet]. 2023 Jul. 19 [cited 2026 Apr. 24];882(1):1-230. Available from: https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/2177