Miedema , Feiko, Anne S. Schulp, John W.M. Jagt, and Eric W.A. Mulder. “New Plesiosaurid Material from the Maastrichtian Type Area, the Netherlands”. Netherlands Journal of Geosciences 98 (June 17, 2019). Accessed May 11, 2026. https://njgjournal.nl/index.php/njg/article/view/11638.