Middle Miocene global change and paleogeography of Panamá Middle Miocene global change and paleogeography of Panamáv. 22667–679Retallack, Gregory and Kirby, Michael Xavier. 2007. "Middle Miocene global change and paleogeography of Panamá." Palaios, 22 667–679.More...ID: 55646Type: articleKeywords: NH-EOL; Center for Tropical Palaeoecology and Archaeology; STRI