NEW LATE MIDDLE EOCENE ANTARCTIC GONIASTERIDS (ASTEROIDEA, ECHINODERMATA) FROM LA MESETA FORMATION. IMPLICATIONS FOR THE ORIGIN, EVOLUTION, AND PALEOECOLOGY OF THE PENTAGONASTERINAE. AMGH [Internet]. 2024 Dec. 27 [cited 2025 Oct. 10];61(5):213-29. Available from: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/3616