Schuchert, P. (2021). World Hydrozoa Database. Keratosum Hargitt, 1909. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=158164 on 2024-04-24
NARMS (2024). Keratosum Hargitt, 1909. Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=158164 on 2024-04-24
basis of recordNeave, Sheffield Airey. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online. <em>[Online Nomenclator Zoologicus at Checklistbank. Ubio link has gone].</em> , available online athttps://www.checklistbank.org/dataset/126539/about[details]