DÍAZ SARAVIA, P. G. Microfósiles del Carbónico Superior de la precordillera de La Rioja, Argentina. Acta Geológica Lilloana, [S. l.], v. 18, n. 1, p. 139–141, 1998. Disponível em: http://www.lillo.org.ar/respaldos/journals-202108/journals/index.php/acta-geologica-lilloana/article/view/868. Acesso em: 9 ago. 2025.