World Register of Marine Species (WoRMS)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Textularia biarritzensis Halkyard, 1918&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=896731 on 2026-08-28
Halkyard, E. (1918). The fossil foraminifera of the Blue Marl of the Côte des Basques, Biarritz. Memoirs and proceedings of the Manchester Literary and Philosophical Society. 62 (6): 1-145.