KORN, Dieter; BOCKWINKEL, Jürgen. The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea). European Journal of Taxonomy, [S. l.], v. 806, n. 1, p. 32–51, 2022. DOI: 10.5852/ejt.2022.806.1699. Disponível em: https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/1699. Acesso em: 24 apr. 2026.