Schuchert, P. (2023). World Hydrozoa Database.
Cyclocanna producta (G.O. Sars, 1874). Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2023) World Register of Deep-Sea species (WoRDSS) at: https://www.marinespecies.org/deepsea./aphia.php?p=taxdetails&id=988092 on 2023-05-30
Glover, A.G.; Higgs, N.; Horton, T. (2023). World Register of Deep-Sea species (WoRDSS).
Cyclocanna producta (G.O. Sars, 1874). Accessed at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=988092 on 2023-05-30