World Register of Marine Species (WoRMS)
Haynesina depressula subsp. simplex (Cushman, 1933)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Haynesina depressula subsp. simplex (Cushman, 1933). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=478613 on 2026-08-30
Cushman, J. A. (1933). The Foraminifera of the tropical Pacific collections of the "Albatross," 1899-1900. Pt. 2. Lagenidae to Alveolinellidae. Bulletin of the United States National Museum. 161(2): 1-79 + pls.