Kroh, A.; Mooi, R. (2024). World Echinoidea Database. Gracilechinus alexandri (Danielssen & Koren, 1883). 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=532032 on 2024-04-20
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Gracilechinus alexandri (Danielssen & Koren, 1883). Accessed at: http://marbef.org/data/aphia.php?p=taxdetails&id=532032 on 2024-04-20
context source (Deepsea)Mironov A.N. (2014). Deep-sea fauna of European seas: An annotated species check-list of benthic invertebrates living deeper than 2000 m in the seas bordering Europe. Echinoidea. <i>Invertebrate Zoology</i>. Vol.11. No.1: 120–129 [in English]., available online athttp://www.nature.air.ru/invertebrates/v11n1/invert11_1_120_129_Echinoidea.pdf[details] Available for editors
Present Inaccurate Introduced: alien Containing type locality