Kroh, A.; Mooi, R. (2025). World Echinoidea Database. Urechinidae Duncan, 1889. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=123169 on 2025-05-21
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Urechinidae Duncan, 1889. Accessed at: https://marbef.org/data/aphia.php?p=taxdetails&id=123169 on 2025-05-21