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Morphology and molecular phylogeny of Paragorgia rubra sp nov (Cnidaria: Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific
Li Yang1; Zhan Zifeng1; Xu Kuidong1,2,3
2017-07-01
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
卷号35期号:4页码:803-814
文章类型Article
摘要A new species of bubblegum coral, Paragorgia rubra sp. nov., discovered from a seamount at a water depth of 373 m near the Yap Trench is studied using morphological and molecular approaches. Paragorgia rubra sp. nov. is the fourth species of the genus found in the tropical Western Pacific. The new gorgonian is red-colored, uniplanar, and measures approximately 530 mm high and 440 mm wide, with autozooids distributed only on one side of the colony. Paragorgia rubra sp. nov. is most similar to P. kaupeka Sanchez, 2005, but differs distinctly in the polyp ovals with large and compound protuberances (vs. small and simple conical protuberances) and the medullar spindles possessing simple conical protuberances (vs. compound protuberances). Moreover, P. rubra sp. nov. differs from P. kaupeka in the smaller length/width ratio of surface radiates (1.53 vs. 1.75). The genetic distance of the mtMutS gene between P. rubra sp. nov. and P. kaupeka is 0.66%, while the intraspecific distances within Paragorgia Milne-Edwards & Haime, 1857 except the species P. regalis complex are no more than 0.5%, further supporting the establishment of the new species. Furthermore, the ITS2 secondary structure of P. rubra sp. nov. is also different from those of congeners. Phylogenetic analyses indicate Paragorgia rubra sp. nov. and P. kaupeka form a clade, which branched early within Paragorgia and diversified approximately 15 Mya.
关键词Gorgonian Taxonomy New Species Genetic Distance Molecular Phylogeny
DOI10.1007/s00343-017-5320-5
收录类别SCI
语种英语
WOS记录号WOS:000403701200010
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文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/137142
专题海洋生物分类与系统演化实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Dept Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Li Yang,Zhan Zifeng,Xu Kuidong. Morphology and molecular phylogeny of Paragorgia rubra sp nov (Cnidaria: Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(4):803-814.
APA Li Yang,Zhan Zifeng,&Xu Kuidong.(2017).Morphology and molecular phylogeny of Paragorgia rubra sp nov (Cnidaria: Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(4),803-814.
MLA Li Yang,et al."Morphology and molecular phylogeny of Paragorgia rubra sp nov (Cnidaria: Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.4(2017):803-814.
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