World Register of Marine Species (WoRMS)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Quinqueloculina frigida Parker, 1952. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=850266 on 2026-08-01
Parker, F.L. (1952). Foraminifera species off Portsmouth, New Hampshire. Bulletin of the Museum of Comparative Zoology. 106: 391-423.