World Register of Marine Species (WoRMS)
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2026). World Hydrozoa Database. Halicreas minimum Fewkes, 1882. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=117617 on 2026-08-02
Fewkes, J. W. (1882). On the Acalephae of the East coast of New-England. Bulletin of the Museum of comparative Zoölogy of Harvard College. 9: 291-310, pl. 1.
Vanhöffen, E. (1902). Die Craspedoten Medusen der deutschen Tiefsee Expedition 1898-1899. I. Trachymedusen. Wissenschaftliche Ergebnisse der Deutschen Tiefsee Expedition. 3: 55-86, pls 1-12.