“ROUAULTIA LYELLI (ROUAULT), TRAZA PROBLEMÁTICA EN EL ORDOVÍCICO DE HUACO, SAN JUAN”, AMGH, vol. 4, no. 5, Aug. 2013, Accessed: Dec. 01, 2025. [Online]. Available: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/1191