“LATE CRETACEOUS ORGANIC-WALLED DINOFLAGELLATE CYSTS FROM THE ALTA VISTA FORMATION, AUSTRAL BASIN, ARGENTINA”, AMGH, vol. 54, no. 6, pp. 688–699, Dec. 2017, Accessed: Nov. 30, 2025. [Online]. Available: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/3090