Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2021). World Foraminifera Database.
Osangulariella umbonifera (Cushman, 1933). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.marbef.org/data./aphia.php?p=taxdetails&id=112843 on 2025-05-21
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species.
Osangulariella umbonifera (Cushman, 1933). Accessed at: http://www.marbef.org//www.marbef.org/data/aphia.php?p=taxdetails&id=112843 on 2025-05-21