Aubrechtová, Martina, and Dieter Korn. 2022. “Taxonomy and Ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone Erratics (Middle Ordovician) ”. European Journal of Taxonomy 799 (1):1–108. https://doi.org/10.5852/ejt.2022.799.1681.