World Register of Marine Species (WoRMS)
WoRMS (2026). Hydractiniidae L. Agassiz, 1862. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1601 on 2026-08-25
Agassiz, L. (1862). Contributions to the natural history of the United States of America. Little Brown, Boston. 4: 1-380, pls 1-19.
McCrady, J. 1859. Gymnopthalmata of Charleston Harbor. Proceedings of the Elliott Society of Natural History 1: 103-221, pls 8-12.
Stechow E. (1921c). Neue Gruppen skelettbildender Hydrozoen und Verwandtschaftsbeziehungen rezenter und fossiler Formen. Verhandlungen der deutschen zoologischen Gesellschaft. 26: 29-31.