World Register of Marine Species (WoRMS)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Digitina Crespin & Parr, 1941&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=890750 on 2026-08-28
Crespin, I.; Parr, W. J. (1941). Arenaceous foraminifera from the Permian rocks of New South Wales. Journal and Proceedings of the Royal Society of New South Wales. 74(3): 300-311 (publ. date: January 24, 1941).