Herbst, Rafael. “Asterotheca Golondrinensis N. Sp. From the Lower Permian Golondrina Series of the Bajo De La Leona, Santa Cruz, Argentina”. Journal of Palaeosciences 25, no. 1-3 (December 31, 1976): 126–130. Accessed November 23, 2024. https://jpsonline.co.in/index.php/jop/article/view/1004.