Shahmoradi Fahreji M, Afghah M, Notghi Moghaddam M, Yazdjardi K, Mostafavi B. Calcareous nannofossil biostratigraphy and paleoecolgy of the Rupelian-Chattian stages (Oligocene) in the Central Iran basin. Iran J Earth Sci. 2024;16(2). doi:10.57647/j.ijes.2024.1602.10