GONZÁLEZ-ARREOLA, Celestina; VILLASEÑOR-MARTÍNEZ, Ana Bertha; CORONA-ESQUIVEL, Rodolfo. Permian fauna of the Los Arcos Formation, Municipality of Olinalá, State of Guerrero, Mexico. Revista Mexicana de Ciencias Geológicas, [S. l.], v. 11, n. 2, p. 214–221, 2019. Disponível em: https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/1185. Acesso em: 19 apr. 2025.