World Register of Marine Species (WoRMS)
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2026). World Hydrozoa Database. Campanularia crenata Allman, 1876. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=411911 on 2026-08-03
Allman, G. J. (1876). Diagnoses of new genera and species of Hydroida. Journal of the Linnean Society of London. 12: 251-284, plates 9-23.