World Register of Marine Species (WoRMS)
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2026). World Hydrozoa Database. Halitholus cirratus Hartlaub, 1914. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=157951 on 2026-08-30
Hartlaub C. (1914). Craspedote Medusen. Teil 1, Lieferung 3, Tiaridae. Nordisches Plankton. Vol. 6: 237-363.