“ONTOGENY, STRUCTURE AND MOULTING OF PARABOLINA FREQUENS ARGENTINA (KAYSER) (TRILOBITA, OLENIDAE) FROM THE FURONGIAN OF NORTHWESTERN ARGENTINA”, AMGH, vol. 45, no. 1, pp. 13–31, Mar. 2008, Accessed: Sep. 08, 2025. [Online]. Available: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/206