List of Articles Planktonic foraminifera Open Access Article Abstract Page Full-Text 1 - Biostratigraphy of the Gurpi Formation Based on Planktonic foraminifera with emphasis on the Cretaceous-Paleogene boundary in Jahangirabad Section, Kabirkuh Anticline, SW Iran Alireza Ashouri Samira Rahimi Abass Sadeghi Abbas Ghaderi Open Access Article Abstract Page Full-Text 2 - Investigation of main planktonic foraminifera bio-events at the base of the Coniacian and Santonian stages in the Surgah Formation, Maleh-Kuh and Sarkan wells, South west of Khoram Abad Mohammad Hadadi Meysam Shafiee Ardestani Mohammad Vahidinia Mohammad Gharaee Open Access Article Abstract Page Full-Text 3 - Biostratigraphy, Paleobathymetry, and identification of new planktonic foraminiferal species of the Abderaz Formation at Qalezo section, west of the Kopeh-Dagh sedimentary basin Meysam Shafiee Ardestani Mohammad Vahidinia Fatemeh Farazifar Open Access Article Abstract Page Full-Text 4 - Biostratigraphy and study of paleodepth changes of the Gurpi Formation deposits based on planktonic foraminifera in the Bagh-gol section, Lurestan area, Zagros Basin Ayoub Bazvand A. Sadeghi M.H. Adabi A.M. Jamali N. Hadavandkhani