EMERGENCE OF GRASSY HABITATS DURING THE GREENHOUSE–ICEHOUSE SYSTEMS TRANSITION IN THE MIDDLE EOCENE OF SOUTHERN SOUTH AMERICA. AMGH [Internet]. 2018 Sep. 30 [cited 2025 Sep. 27];55(4):451–482. Available from: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/3152