Schuchert, P. (2024). World Hydrozoa Database.
Grammaria serpens (Hassall, 1848). Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2024) World Register of Deep-Sea species (WoRDSS) at: https://www.marinespecies.org/DeepSea/aphia.php?p=taxdetails&id=152124 on 2024-04-18
Glover, A.G.; Higgs, N.; Horton, T. (2024). World Register of Deep-Sea species (WoRDSS).
Grammaria serpens (Hassall, 1848). Accessed at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=152124 on 2024-04-18