1.
Korn D, Bockwinkel J. The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea). EJT [Internet]. 2022Jun.8 [cited 2024Nov.22];823(1):10-47. Available from: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1811