“DICHOGRAPTUS Aff. OCTOBRACHIATUS (Hall) (GRAPTOLITHINA) EN LA PRECORDILLERA DE SAN JUAN”. Ameghiniana 22, no. 3-4 (October 3, 2013): 181–184. Accessed October 3, 2025. https://ameghiniana.org.ar/index.php/ameghiniana/article/view/1760.