A revision of the genus Psammogorgia Verrill, 1868 (Cnidaria, Anthozoa, Octocorallia) in the tropical eastern Pacific Ocean Author Breedy, Odalisca Centro de Investigacion en Estructuras Microscopicas, Centro de Investigacion en Ciencias del Mar y Limnologia, Escuela de Biologia, Universidad de Costa Rica. P. O. Box 11501 - 2060, Universidad de Costa Rica, San Jose, Costa Rica & Smithsonian Tropical Research Institute, P. O. Box 0843 - 03092, Panama, Republic of Panama odaliscab@gmail.com Author Guzman, Hector M. Smithsonian Tropical Research Institute, P. O. Box 0843 - 03092, Panama, Republic of Panama text ZooKeys 2020 961 1 30 http://dx.doi.org/10.3897/zookeys.961.54846 journal article http://dx.doi.org/10.3897/zookeys.961.54846 1313-2970-961-1 C5E8BED7F08549A999C60C3AA8492D09 634A9CDA65075FEE8D7C196F5E37F6FC Psammogorgia pax Breedy, Guzman, Murillo & Vargas, 2020 Psammogorgia pax Breedy et al., 2020 : 5-7. Type locality. Hannibal Bank, Gulf of Chiriqui , Pacific Panama . Diagnosis. Colonies white, flabellate and branching in one plane, profuse irregularly dichotomous with occasional anastomosis. Calyces slightly raised, not close together with spiny lobes around polyp apertures. Thorny, irregularly-shaped spindles, and wart clubs around the calyx rims; wart clubs up to 0.26 mm long. Coenenchyme granular. Coenenchymal sclerites white, irregular spindles with acute or bifurcated ends or combinations of both as well as warty and irregular radiates. Anthocodial spindles orange, thin and spiny, in collaret and points arrangements. We refer to Breedy et al. (2020) for a full description of the species. Distribution. This species has only been reported from its type locality in the upper mesophotic habitats of the Hannibal Bank at 63 m depth.