Schuchert, P. (2024). World Hydrozoa Database.
Filellum serpens (Hassall, 1848). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=117690 on 2024-07-07
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species.
Filellum serpens (Hassall, 1848). Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=117690 on 2024-07-07