TABLE 10 in Studies on western Pacific gorgonians (Anthozoa: Octocorallia, Chrysogorgiidae). Part 1: a review of the genus Chrysogorgia, with description of a new genus and three new species

TABLE 10. Morphological comparisons among the species with long toothed rib-like scales in pinnules within the Group C.
Characters/speciesC. geniculata (Wright & Studer, 1889)C. rigida Versluys, 1902C. excavata Kükenthal, 1908C. cavea Kinoshita, 1913C. ramosa Versluys, 1902C. arboriformis sp. nov.Branching sequence1/3L1/3L1/3L1/3L, 2/5L1/4L1/3LInterbranch distance (mm)3–445.54–51–38–23Orthostiche interval (mm)10.0–11.58–1313no datano data26–32Branch internode (mm)4–83.0–4.5, up to 8 in terminalunknownno data4–128–16Branching order in maximum77unknownno data169Polyps on stempresentabsentpresentabsentabsentrareVerrucaeabsentabsentabsentabsentabsentabsentPolyps on internodes1–2121–21–20–7Polyp height (mm)2–31.5–2.521.5up to 2.51.0–2.5Sclerites in branch coenenchymescales elongate, nearly smooth or with many fine warts and one or more distinct large warts, some of them with double or quadruplets formsscales with various shape and sparse fine warts, almost with a large wart on center and coarse warty edgesscales oval or biscuit–like, up to 0.18 mmscales smooth, elongate and irregular with serrated edges and a narrow medianscales small and nearly smooth with rounded endsscales slender, nearly smooth or with one or more large warts and many fine warts, some of them irregular with lobed edgesSclerites in polyp body wallscales thin, elongate with irregular blunted or notched edges and with sparse fine warts or nearly smoothscales irregular with a strong medial contraction and sparse fine warts or nearly smoothscales elongate and smooth, irregular with lobed edgesscales in basal part slightly elongate with many fine warts and serrated edges, and with a slightly medial contraction and two rounded ends, in upper apart become more irregular often with three- or four-lobescales irregular smooth with strong medial contraction, with similar shape to C. rigidascales nearly smooth with an obvious medial contraction, usually with one or two broad and straight ends in upper part, and some of them lobed with irregular shape in basal partSclerites in tentaclesscales usually curved and became broad on two ends, with various shape and many fine warts, arranged in one or two rowsscales curved and became broad on two ends, with various shape and many obvious fine wartsscales small, elongate and smooth, irregular with lobed edgesscales at base small and elongate with irregular lobed edges, arranged in two rows; scales at upper part curved with deep lobed edges, arranged in a single rowscales similar to C. geniculate and C. rigida, but smooth with more various shapescales thick and curved, almost branched or forked with irregular shape, and with many fine coarse warts, arranged in a single rowSclerites in pinnulesscales curved and rib–like with one side and end toothed and lobedscales curved and rib–like with two ends toothed or forked and sharpscales slender, curved and rib–like with one side toothed, up to 0.5 mmscales curved and rib–like, some of them with one end toothed with 2-4 lobes, up to 0.25 mmscales rib-like with one or two ends toothed, up to 0.34 mmscales curved and rib-like, usually with two toothed ends, occasionally with a sharp or forked endDistributionsouth of Japan, off the PhilippinesSulu IslandsJapanJapanPhilippinesWestern PacificReferencesWright & Studer 1889, Versluys 1902, Nutting 1908, Kinoshita 1913, Kükenthal 1919, present studyVersluys 1902, Kükenthal 1919, present studyKükenthal 1908, 1919, Kinoshita 1913Kinoshita 1913, Kükenthal 1919Versluys 1902, Kükenthal 1919present study
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