Early Eocene 40Ar/39Ar age for the Pampa de Jones plant, frog, and insect biota (Huitrera Formation, Neuquén Province, Patagonia, Argentina). AMGH [Internet]. 2010 Jul. 9 [cited 2025 Oct. 8];47(2):207-16. Available from: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/170