World Register of Marine Species (WoRMS)
Siphonaperta distorqueata (Cushman, 1954)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Siphonaperta distorqueata (Cushman, 1954). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=490003 on 2026-08-28
Cushman, J. A.; Todd, R.; Post, R. J. (1954). Recent foraminifera of the Marshall Islands, Bikini and nearby atolls, Part II. Oceanography (Biologic). United States Geological Survey, Professional Paper. 260-H: 319-384.