“DICHOGRAPTUS Aff. OCTOBRACHIATUS (Hall) (GRAPTOLITHINA) EN LA PRECORDILLERA DE SAN JUAN”. Ameghiniana, vol. 22, no. 3-4, Oct. 2013, p. 181-4, https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/1760.