MolluscaBase eds. (2021). MolluscaBase. Ovulum G. B. Sowerby I, 1828. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=431809 on 2023-10-01
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2023). European Register of Marine Species. Ovulum G. B. Sowerby I, 1828. Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=431809 on 2023-10-01