Perejón, A., E. Moreno-Eiris, T. Bechstädt, S. Menéndez, and M. Rodríguez-Martínez. “New Bilbilian (early Cambrian) Archaeocyath-Rich Thrombolitic Microbialite from the Láncara Formation (Cantabrian Mts., Northern Spain)”. Journal of Iberian Geology 38, no. 2 (November 2, 2012): 313–330. Accessed July 25, 2026. https://revistas.ucm.es/index.php/JIGE/article/view/40461.