MolluscaBase (2019). MolluscaBase. Cassis undulata var. minima Pallary, 1900. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2019) European Register of Marine Species at: http://marbef.org/data/aphia.php?p=taxdetails&id=753309 on 2019-12-06
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2019). European Register of Marine Species. Cassis undulata var. minima Pallary, 1900. Accessed at: http://www.marbef.org/data../aphia.php?p=taxdetails&id=753309 on 2019-12-06
source of synonymyVerbinnen G., Segers L., Swinnen F., Kreipl K. & Monsecour D. (2016). <i>Cassidae. An amazing family of seashells.</i> Harxheim: ConchBooks. 251 pp.[details]