Schuchert, P. (2024). World Hydrozoa Database.
Halopteris clarkei (Nutting, 1900). Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2024) World Register of Deep-Sea species (WoRDSS) at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=292320 on 2024-05-01
Glover, A.G.; Higgs, N.; Horton, T. (2024). World Register of Deep-Sea species (WoRDSS).
Halopteris clarkei (Nutting, 1900). Accessed at: https://marinespecies.org/Deepsea/aphia.php?p=taxdetails&id=292320 on 2024-05-01