LATE TRIASSIC CALCAREOUS NANNOFOSSILS FROM THE PUCARÁ GROUP, PERU: A NEW BIOSTRATIGRAPHIC TOOL FOR REGIONAL CORRELATION IN WESTERN SOUTH AMERICA. Ameghiniana, [S. l.], v. 60, n. 4, p. 283–296, 2023. DOI: 10.5710/AMGH.06.02.2023.3516. Disponível em: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/3516. Acesso em: 18 oct. 2025.