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. Corallium tricolor (Johnson, 1899). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=125417 on 2026-08-02
Johnson, J.Y. (1899). Notes on the Coralliidae of Madeira, with descriptions of two new species. Proceedings of the Zoological Society of London. 1899: 57-63, plates 5-7.