Kroh, A.; Mooi, R. (2024). World Echinoidea Database.
Gracilechinus elegans (Düben & Koren, 1844). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=532035 on 2024-08-08
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species.
Gracilechinus elegans (Düben & Koren, 1844). Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=532035 on 2024-08-08