McFadden, C.; Cordeiro, R.; Williams, G.; van Ofwegen, L. (2022). World List of Octocorallia.
Primnoisis (Delicatisis) rigida Wright & Studer, 1889. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2022) World Register of Deep-Sea species (WoRDSS) at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=869813 on 2022-08-12
Glover, A.G.; Higgs, N.; Horton, T. (2022). World Register of Deep-Sea species (WoRDSS).
Primnoisis (Delicatisis) rigida Wright & Studer, 1889. Accessed at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=869813 on 2022-08-12