NEW BIOSTRATIGRAPHIC PROPOSAL FOR THE LOWER PALAEOZOIC TUCUNUCO GROUP (SAN JUAN PRECORDILLERA, ARGENTINA) BASED ON MARINE AND TERRESTRIAL PALYNOMORPHS. Ameghiniana, [S. l.], v. 52, n. 2, p. 265–285, 2014. Disponível em: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2813. Acesso em: 11 sep. 2025.