World Register of Marine Species (WoRMS)
Hoeksema, B. W.; Cairns, S.; Samimi-Namin, K. (2026). World List of Scleractinia. Sphenotrochus excicus Duncan, 1870&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1445364 on 2026-08-31
Duncan PM. (1870). On the fossil corals (Madreporaria) of the Australian Tertiary Deposits. The Quarterly Journal of the Geological Society of London. 26: 284-318, pls. 19-22.