Schuchert, P. (2024). World Hydrozoa Database.
Errina aspera (Linnaeus, 1767). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: https://marbef.org/data../aphia.php?p=taxdetails&id=117957 on 2024-07-31
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species.
Errina aspera (Linnaeus, 1767). Accessed at: http://marbef.org/data/aphia.php?p=taxdetails&id=117957 on 2024-07-31