R. Janssen, R.R. van Baal, and A.S. Schulp. “On the Taphonomy of the Late Maastrichtian (Late Cretaceous) Marine Turtle Allopleuron Hofmanni”. Netherlands Journal of Geosciences 90 (November 1, 2011): 187 - 196. Accessed April 3, 2026. https://njgjournal.nl/index.php/njg/article/view/12050.