MolluscaBase eds. (2021). MolluscaBase.
Engina bicolor (Cantraine, 1835). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=751137 on 2024-04-30
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species.
Engina bicolor (Cantraine, 1835). Accessed at: http://www.marbef.org/data../aphia.php?p=taxdetails&id=751137 on 2024-04-30