OMAÑA, Lourdes; GONZÁLEZ-ARREOLA, Celestina; RAMÍREZ-GARZA, Blanca Margarita. Barremian planktonic foraminiferal events correlated with the ammonite zones from the San Lucas Formation, Michoacán (SW Mexico). Revista Mexicana de Ciencias Geológicas, [S. l.], v. 22, n. 1, p. 88–96, 2018. Disponível em: https://rmcg.unam.mx/index.php/rmcg/article/view/875. Acesso em: 15 mar. 2025.