World Register of Marine Species (WoRMS)
Orbitolina (Mesorbitolina) imparilis Zhang, 1986
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Orbitolina (Mesorbitolina) imparilis Zhang, 1986&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1314513 on 2026-08-29
Zhang, B. (1986). 申扎、班戈早白垩世圆笠虫 - Early Cretaceous orbitolinids from Xainza and Baingoin, Xizang. 中国科学院南京地质古生物研究所丛刊 - Bulletin of Nanjing Institute of Geology and Palaeontology Academia Sinica. 10: 101-122.