MolluscaBase eds. (2025). MolluscaBase.
Cranopsis agger (R. B. Watson, 1883). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=419331 on 2025-06-06
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species.
Cranopsis agger (R. B. Watson, 1883). Accessed at: https://marbef.org/data/aphia.php?p=taxdetails&id=419331 on 2025-06-06