2014. SELECTED SPORES AND POLLEN FROM THE PERMIAN UMM IRNA FORMATION, JORDAN, AND THEIR STRATIGRAPHIC UTILITY IN THE MIDDLE EAST AND NORTH AFRICA. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA . 120, 2 (Jul. 2014). DOI:https://doi.org/10.13130/2039-4942/6056.