MolluscaBase eds. (2024). MolluscaBase. Phalium (Semicassis) undulatum var. marchesei Bayer, 1935. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=951845 on 2024-10-17
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]