BUITRÓN-SÁNCHEZ, Blanca E.; ALMÁZAN-VÁZQUEZ, Emilio; VACHARD, Daniel. Middle Permian crinoids (Echinodermata, Crinoidea) from Cerros Los Monos, Caborca, Sonora, Mexico and paleogeographic considerations. Revista Mexicana de Ciencias Geológicas, [S. l.], v. 24, n. 3, p. 344–353, 2015. Disponível em: https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/88. Acesso em: 13 apr. 2025.