World Register of Marine Species (WoRMS)
McFadden, C.S.; Cordeiro, R.; Samimi-Namin, K.; Hoeksema, B.W., Williams, G.; van Ofwegen, L.P. (2026). World List of Octocorallia. Siphonogorgia annulata (Harrison, 1908). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=288726 on 2026-08-03
Harrison, R.M. (1908). Some new Alcyonaria from the Indian and Pacific Oceans. Preliminary Notice. Journal of the Linnean Society of London, Zoology. 30: 185-190.