“LA FLORA TRIÁSICA DEL GRUPO EL TRANQUILO, PROVINCIA DE SANTA CRUZ, PATAGONIA. PARTE V. PTERIDOPHYLLA”, AMGH, vol. 35, no. 1, pp. 53–65, Feb. 2014, Accessed: Sep. 17, 2025. [Online]. Available: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2414