World Register of Marine Species (WoRMS)
Pseudofusulinella occidentalis (Thompson & Wheeler, 1946)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Pseudofusulinella occidentalis (Thompson & Wheeler, 1946)&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1048623 on 2026-08-02
Thompson, M. L.; Wheeler, H. E.; Hazzard, J. C. (1946). Permian fusulinids of California. Geological Society of America Memoirs. 17: 1-77.