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