World Register of Marine Species (WoRMS)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Cycledomia Hamaoui, 1964&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=722026 on 2026-08-30
Hamaoui, M. (1964). Cycledomia, a New Peneroplid Genus. Micropaleontology. 10(4): 438-442.
Mohammed, Q. A. (2006). Bicyclina ( Foram.), a new peneroplid genus from Late Cenomanian in Iraq. Kirkuk University Journal-Scientific Studies. 1(2): 30-39.