McFadden, C.S.; Cordeiro, R.; Williams, G.; van Ofwegen, L. (2024). World List of Octocorallia. Verrucella rigida (Nutting, 1910). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=291290 on 2024-10-19
basis of recordvan Ofwegen, L.P., S.D. Cairns & J. van der Land (eds). (2000-2007). as a contribution to UNESCO-IOC Register of Marine Organisms. (look up in IMIS) [details]