Millard, N. A. H. 1958. Hydrozoa from the coasts of Natal and Portuguese East Africa. Part I. Calyptoblastea. - Annales of the South African Museum 44: 165-226., available online athttps://www.biodiversitylibrary.org/page/40863035[details]
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Sertularia longa Millard, 1958. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=285611 on 2025-05-10
original descriptionMillard, N. A. H. 1958. Hydrozoa from the coasts of Natal and Portuguese East Africa. Part I. Calyptoblastea. - Annales of the South African Museum 44: 165-226., available online athttps://www.biodiversitylibrary.org/page/40863035[details]
basis of recordVervoort, W.; Schuchert, P. & van der Land, J. (2000-2007). as a contribution to UNESCO-IOC Register of Marine Organisms. (look up in IMIS) [details]