Sandy, Michael R. “Mesozoic Brachiopods of Mexico -a Review and Some Comments on Their Paleobiogeographic Affinities and Paleoecology”. Revista Mexicana de Ciencias Geológicas 14, no. 2 (January 8, 2019): 219–224. Accessed April 19, 2025. https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/1147.