World Register of Marine Species (WoRMS)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Hirsutella Bandy, 1972. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1567930 on 2026-08-01
Bandy, O. L. (1972). Origin and Development of Globorotalia (Turborotalia) pachyderma (Ehrenberg). Micropaleontology. 18(3): 294-318.