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A new species of Placotrochides Alcock, 1902 (Anthozoa: Scleractinia: Flabellidae) from the tropical Western Pacific, including the deepest record of the genus
Li, Yang1; Cheng, Yu-Rong2; Xu, Kuidong1,3,4
2017-09-20
发表期刊ZOOTAXA
卷号4323期号:1页码:146-150
文章类型Article
摘要A new species of azooxanthellate solitary Scleractinia, Placotrochides yapensis n. sp., is described from the foot of a sea-mount near the Yap Trench in the tropical Western Pacific at the water depth of 2,700-2,734 m. The specimens are assigned to the genus Placotrochides Alcock, 1902 on account of possessing a solitary corallum, a trabecular columella and the transverse division resulting in a free anthocyathus with a basal scar. The new species differs from its four congeners by (1) the larger corallum size (greater calicular diameter 15.2-15.7 mm, greater basal scar diameter 9.0-12.2 mm, and height 13.3-17.1 mm), (2) the larger edge angle (20-25 degrees), (3) the arrangement of septa (S1-2>S-3>S-4), and (4) the number of septa (48). Until now, five species of Placotrochides have been known from deep waters and Placotrochides yapensis n. sp. is the deepest record of the genus.
关键词Azooxanthellate Coral Transversely-dividing Hexacorallia Cnidaria Deep-sea
DOI10.11646/zootaxa.4323.1.13
收录类别SCI
语种英语
WOS记录号WOS:000411120900013
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/143170
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, Qingdao 266071, Peoples R China
2.Natl Taiwan Univ, Inst Oceanog, 1 Roosevelt Rd,Sect 4, Taipei 106, Taiwan
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Li, Yang,Cheng, Yu-Rong,Xu, Kuidong. A new species of Placotrochides Alcock, 1902 (Anthozoa: Scleractinia: Flabellidae) from the tropical Western Pacific, including the deepest record of the genus[J]. ZOOTAXA,2017,4323(1):146-150.
APA Li, Yang,Cheng, Yu-Rong,&Xu, Kuidong.(2017).A new species of Placotrochides Alcock, 1902 (Anthozoa: Scleractinia: Flabellidae) from the tropical Western Pacific, including the deepest record of the genus.ZOOTAXA,4323(1),146-150.
MLA Li, Yang,et al."A new species of Placotrochides Alcock, 1902 (Anthozoa: Scleractinia: Flabellidae) from the tropical Western Pacific, including the deepest record of the genus".ZOOTAXA 4323.1(2017):146-150.
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