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. Paragorgia johnsoni Gray, 1862. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=125419 on 2026-08-03
Gray, J.E. (1862). Notice of a second species of Paragorgia discovered in Madeira by Mr James Yate Johnson. The Annals and magazine of natural history; zoology, botany, and geology. Ser. 3, 10: 125-126.
Bayer, F.M. (1964). A new species in the octocorallian genus Paragorgia trawled in Florida waters by R.V. "Gerda". Zoologische Mededelingen Leiden. 39: 526-532.