ACRITARCOS DEL SILURICO DEL VALLE DEL RIO JACHAL (FORMACION LOS ESPEJOS), PROVINCIA DE SAN JUAN, REPUBLICA ARGENTINA. SUBGRUPOS: HERKOMORPHITAE, NETROMORPHITAE Y POLYGONOMORPHITAE. AMGH [Internet]. 2013 Nov. 25 [cited 2025 Sep. 22];26(1-2):83-100. Available from: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/1942