Literature

• SPAW Protocol 2019. List of species of marine and coastal flora strictly protected under the SPAW Protocol in Annex I, II and III. The Caribbean Environment Programme. [link]
• Stiasny, G. 1935. Diagnosen neuer und alter Arten der Gorgonarien-Familie Plexauridae. Zoologische Anzeiger 109(9-10): 236-245.
• Stiasny, G. 1935. Über Plexauropsis humilis (Milne Edw.) und Eunicea hicksoni nov. spec. (Gorgonaria, Plexauridae). Zoologische Anzeiger 112(5-6): 107-116.
• WoRMS. World Register of Marine Species. www.marinespecies.org. [link]

Literature references linked to higher taxa

• Humann, P. 1992. Reef Creature Identification. New World Publications. (Cnidaria)
• Humann, P. 1993. Reef Coral Identification. 239 pp. New World Publications. (Octocorallia)