Korn, D. and Weyer, D. 2023. The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian–Carboniferous boundary; Upper Franconia, Germany). European Journal of Taxonomy. 883, 1 (Jul. 2023), 1-61. DOI:https://doi.org/10.5852/ejt.2023.883.2179.