Julio Company, Jose Ignacio Ruiz-Omefiaca, and Xabier Pereda Suberbiol. “A Long-Necked Pterosaur (Pterodactyloidea, Azhdarchidae) from the Upper Cretaceous of Valencia, Spain”. Netherlands Journal of Geosciences (January 1, 1999): 319-333. Accessed April 6, 2026. https://njgjournal.nl/index.php/njg/article/view/12304.