PALYNOLOGICAL STUDY OF THE PUNTA DEL BARCO FORMATION, LOWER CRETACEOUS OF SANTA CRUZ PROVINCE, ARGENTINA. SYSTEMATIC DESCRIPTIONS I: MONOLETE AND SMOOTH AND CINGULATE TRILETE SPORES. AMGH. 2008;45(1):153-166. Accessed October 21, 2025. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/214