MESOTHERIID (MAMMALIA, NOTOUNGULATA) REMAINS FROM THE COLHUEHUAPIAN BEDS (EARLY MIOCENE) OF CHICHINALES FORMATION, RÍO NEGRO PROVINCE, ARGENTINA. AMGH. 2011;48(2):264-269. Accessed September 15, 2025. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/242