“SPITIDISCUS RlCCARDII LEANZA y WIEDMANN (AMMONOIDEA) EN EL HAUTERIVIANO DEL NEUQUEN”, AMGH, vol. 32, no. 4, pp. 407–410, Feb. 2014, Accessed: Sep. 28, 2025. [Online]. Available: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2299