SELECTED SPORES AND POLLEN FROM THE PERMIAN UMM IRNA FORMATION, JORDAN, AND THEIR STRATIGRAPHIC UTILITY IN THE MIDDLE EAST AND NORTH AFRICA. RIPS [Internet]. 2014 Jul. 31 [cited 2026 Jul. 27];120(2). Available from: https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/6056