Morphology and phylogenetic analysis of five deep-sea golden gorgonians (Cnidaria, Octocorallia, Chrysogorgiidae) in the Western Pacific Ocean, with the description of a new species Xu, Yu Zhan, Zifeng Xu, Kuidong ZooKeys 2020 989 1 37 30173370-1C8E-531B-9F47-FC99F5C9FB0E Versluys, 1902 Versluys 1902 Anthozoa Chrysogorgiidae Metallogorgia CoL Animalia Metallogorgia Alcyonacea 0 1 Cnidaria genus  Diagnosis  (based on Versluys 1902; Nutting 1908;  Kuekenthal1919).Main stem monopodial with a few branches occurring on the side. Axis round and solid with a smooth surface and strong metallic luster. Branches irregular, subdivided dichotomously with branchlets forming a sympodium. The coenenchyme usually thin with a few sclerites or not well differentiated this layer.  Type species.   Metallogorgia melanotrichos(Wright & Studer, 1889)  Distribution. Atlantic Ocean, Pacific Ocean and Indian Ocean, in a depth range of 567-2311 m ( Watling et al. 2011, and the present study).