World Register of Marine Species (WoRMS)
Willemsia Huys & Conroy-Dalton, 1993
Walter, T.C.; Boxshall, G. (2026). World of Copepods Database. Willemsia Huys & Conroy-Dalton, 1993. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=115282 on 2026-08-29
Huys, R. & S. Conroy-Dalton. (1993). Willemsia gen. nov. and Boreopontia Willems, 1981 revisited (Harpacticoida: Cylindropsyllidae). Sarsia, Bergen 78(3-4):273-300, figs 1-18, tab. 1.