Giammona, C. P. 1978. Octocorals in the Gulf of Mexico—their taxonomy and distribution with remarks on their paleontology [dissertation]. Texas A&M University. 212 pp., 21 pls.
Rezak, R., T. J. Bright, and D. W. McGrail. 1985. Reefs and banks of the northwestern Gulf of Mexico: their geological, biological, and physical dynamics. John Wiley and Sons, New York. xviii + 259 pp.
Fourteen additional records for GMx from the Florida Keys & off Louisiana: USNM 49936, 51589, 73530–73537, 86739–86740, 89386.
Cairns, S. D. and F. M. Bayer. 2009. Octocorallia (Cnidaria) of the Gulf of Mexico, Pp. 321–331 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
Harte Research Institute for Gulf of Mexico Studies. 2016. GulfBase: Resource Database for Gulf of Mexico Research, Education, and Management. Texas A&M University-Corpus Christi. World Wide Web electronic publication. http://www.gulfbase.org, [Today's Date].