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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
Source PublicationZOOTAXA
Volume4323Issue:1Pages:146-150
SubtypeArticle
AbstractA 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.
KeywordAzooxanthellate Coral Transversely-dividing Hexacorallia Cnidaria Deep-sea
DOI10.11646/zootaxa.4323.1.13
Indexed BySCI
Language英语
WOS IDWOS:000411120900013
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/143170
Collection海洋生物分类与系统演化实验室
Affiliation1.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
First Author Affilication中国科学院海洋研究所
Recommended Citation
GB/T 7714
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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