Masse, Jean Pierre. “Lower Cretaceous Rudist Biostratigraphy of Southem France-a Reference for Mesogean Correlations”. Revista Mexicana De Ciencias Geológicas, vol. 12, no. 2, Feb. 2019, pp. 236-5, https://www.rmcg.unam.mx/index.php/rmcg/article/view/1196.