DICHOGRAPTUS FASCICULATUS NOV. SP. (GRAPTOLITHINA) EN LA FORMACION GUALCAMAYO (ORDOVICICO), PRECORDILLERADE SAN JUAN, REPUBLICA ARGENTINA. Ameghiniana, [S. l.], v. 31, n. 1, p. 67–71, 2013. Disponível em: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/2190. Acesso em: 23 sep. 2025.