H. Al-Ubaidi, M., محمد, A. Al-Badrani, O. and عمر 2025. Transversopontis omarians sp.nov. Calcareous Nannofossils from Jaddala Formation (Eocene) in Dh.1 well, central Iraq. Iraqi National Journal of Earth Science (INJES). 12, 3 (Jun. 2025), 73–78. DOI:https://doi.org/10.33899/earth.2012.64530.