MolluscaBase eds. (2021). MolluscaBase.
Pyrgiscus (Pyrgiscus) Philippi, 1841. 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=742942 on 2024-04-19
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species.
Pyrgiscus (Pyrgiscus) R. A. Philippi, 1841. Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=742942 on 2024-04-19