World Register of Marine Species (WoRMS)
Globigerinoides subquadratus Brönnimann, 1954
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Globigerinoides subquadratus Brönnimann, 1954&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=926915 on 2026-08-24
Todd, R. et al. (1954). Probable occurrence of Oligocene on Saipan. American Journal of Science. 252(11): 673-682.