SCOTT, Robert W. Cretaceous rudists of Guatemala. Revista Mexicana de Ciencias Geológicas, [S. l.], v. 12, n. 2, p. 294–306, 2019. Disponível em: https://www.rmcg.unam.mx/index.php/rmcg/article/view/1210. Acesso em: 11 may. 2025.