World Register of Marine Species (WoRMS)
Cibicidina expansis Hao & Zeng, 1980
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Cibicidina expansis Hao & Zeng, 1980&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=902872 on 2026-08-26
Hao, Y.-C.; Zeng, X.-L. (1980). 新疆喀什盆地早第三纪有孔虫 - Early Tertiary Foraminifera from the Kashi Basin of Xinjiang. Acta Palaeontologica Sinica. 19(2): 152-169 (in Chinese with English abstract).