Marques, Beatriz, y Federico Olóriz Saez. «The Orthaspidoceras Uhlandi (Oppel) Record and the Maximum Flooding in the Eastern Algarve During the Lower Kimmeridgian». Spanish Journal of Palaeontology 7, no. 3 (agosto 10, 2022): 149–156. Accedido diciembre 26, 2024. https://turia.uv.es/index.php/sjpalaeontology/article/view/25025.