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题名: Morphology and molecular phylogeny of Paragorgia rubra sp nov (Cnidaria: Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific
作者: Li Yang1; Zhan Zifeng1; Xu Kuidong1,2,3
刊名: CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
出版日期: 2017-07-01
卷号: 35, 期号:4, 页码:803-814
关键词: gorgonian ; taxonomy ; new species ; genetic distance ; molecular phylogeny
DOI: 10.1007/s00343-017-5320-5
文章类型: Article
英文摘要: 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.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000403701200010
Citation statistics:
内容类型: 期刊论文
版本: 出版稿
URI标识: http://ir.qdio.ac.cn/handle/337002/137142
Appears in Collections:海洋生物分类与系统演化实验室_期刊论文

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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

Recommended Citation:
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.
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文件名: Morphology and molecular phylogeny of Paragorgia rubra sp nov (Cnidaria_ Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific.pdf
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