World Register of Marine Species (WoRMS)
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2026). World Hydrozoa Database. Orthopyxis norvegiae (Broch, 1948). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=599763 on 2026-08-01
Broch, H., 1948. Antarctic Hydroids. Scient. Results Norwegian Antarct. Exped. 1927-1928 28: 1-23.