McFadden, C.S.; Cordeiro, R.; Samimi-Namin, K.; Williams, G.; van Ofwegen, L. (2025). World List of Octocorallia. Primnoisis gracilis (Gravier, 1913). Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: https://marinespecies.org/urmo/aphia.php/aphia.php?p=taxdetails&id=287464 on 2025-05-27
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Primnoisis gracilis (Gravier, 1913). Accessed at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=287464 on 2025-05-27
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]
Present Inaccurate Introduced: alien Containing type locality