Ludwig, H. (1893). Vorläufiger Bericht über die erbeuteten Holothurien. In: Reports on the Dredging Operations off the West Coast of Central America to the Galapagos, etc., by the U. S. Fish Commission Steamer "Albatross". IV. <em>Bulletin of the Museum of Comparative Zoöology at Harvard College.</em> 24(4): 105-114.[details]
ERMS (2021). Sphaerothuria Ludwig, 1893. Accessed at: http://marbef.org/data/aphia.php?p=taxdetails&id=146112 on 2025-05-30
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Sphaerothuria Ludwig, 1893. Accessed at: http://www.marbef.org//www.marbef.org/data/aphia.php?p=taxdetails&id=146112 on 2025-05-30
original descriptionLudwig, H. (1893). Vorläufiger Bericht über die erbeuteten Holothurien. In: Reports on the Dredging Operations off the West Coast of Central America to the Galapagos, etc., by the U. S. Fish Commission Steamer "Albatross". IV. <em>Bulletin of the Museum of Comparative Zoöology at Harvard College.</em> 24(4): 105-114.[details]
basis of recordHansson, H.G. (2001). Echinodermata, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i>. 50: pp. 336-351. (look up in RoR) [details]
additional sourceThandar, A.S. (1999). Deep-sea Holothuroids taken by the R.V. Africana II in 1959, from off the West Coast of the Cape Peninsula, South Africa, Ann. S. Afr. Mus., Vol. 105(9): 364-409, 16 figs, 2 tables (look up in RoR) [details]