El Amri Z, Zaghbib-turki D. Biostratigraphic Characterisation of the Coniacian/Santonian transition in the Ellès and El Kef sections (northern Tunisia). JIGE. 2004;31(1):99-111. Accedido julio 22, 2026. https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0505120099A