Cairns & Bayer 2004. Studies on western Atlantic Octocorallia (Coelenterata: Anthozoa). Part 5: the genera Plumarella Gray, 1870; Acanthoprimnoa, n. gen.; and Candidella Bayer, 1954. Proceedings of the Biological Society of Washington, 117(4), December 20 2004: 447-487