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A new sponge-associated starfish, Astrolirus patricki sp. nov. (Asteroidea: Brisingida: Brisingidae), from the northwestern Pacific seamounts
Zhang, Ruiyan1,2; Zhou, Yadong2; Xiao, Ning3,4; Wang, Chunsheng1,2,5
2020-05-27
发表期刊PEERJ
ISSN2167-8359
卷号8页码:14
通讯作者Wang, Chunsheng(wangsio@sio.org.cn)
摘要Seamounts are important deep ocean entities that serve as reservoirs for varied types of habitats and fauna. During the Chinese cruises in the northwestern Pacific seamount areas, a new starfish species of order Brisingida, Astrolirus patricki, was found at 1,458-2,125 m depth. All specimens of the new species were observed in situ attaching on hexactinellid sponges, suggesting a possible close relationship between the two taxa. A. patricki sp. nov. is the second known species of the genus, characterized by the abutting plates in the intercostal integument, separated first pair of adambulacral plates and densely distributed proximal spines. Phylogenetic analyses were conducted for order Brisingida to incorporate the new species as well as Hymenodiscus cf. fragilis (Fisher, 1906), Freyella cf. attenuata Sladen, 1889 and two Brisinga spp., for which we present the molecular data for the first time. Phylogenetic trees suggest a close relationship between A. patricki sp. nov. with Brisinga species rather than with Hymenodiscus species, which is inconsistent with morphological taxonomy. This study highlights the distinct morphological and ecological characters of the new species and provides new data for future investigation on Brisingida phylogeny.
关键词Starfish Deep-sea Brisingida Astrolirus Sponge associate Seamount
DOI10.7717/peerj.9071
收录类别SCI
语种英语
资助项目Foundation of China Ocean Mineral Resources RD Association[DY135-E2-2-03] ; Foundation of China Ocean Mineral Resources RD Association[DY135-E2-2-06] ; Biological Resources Programme, Chinese Academy of Sciences[KFJ-BRP-017-38]
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000535666000004
出版者PEERJ INC
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/167579
专题海洋生物分类与系统演化实验室
通讯作者Wang, Chunsheng
作者单位1.Shanghai Jiao Tong Univ, Sch Oceanog, Shanghai, Peoples R China
2.Minist Nat Resources, Key Lab Marine Ecosyst Dynam, Inst Oceanog 2, Hangzhou, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Lab Marine Organism Taxon & Phylogeny, Qingdao, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China
5.Minist Nat Resources, State Key Lab Satellite Ocean Environm Dynam, Inst Oceanog 2, Hangzhou, Peoples R China
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GB/T 7714
Zhang, Ruiyan,Zhou, Yadong,Xiao, Ning,et al. A new sponge-associated starfish, Astrolirus patricki sp. nov. (Asteroidea: Brisingida: Brisingidae), from the northwestern Pacific seamounts[J]. PEERJ,2020,8:14.
APA Zhang, Ruiyan,Zhou, Yadong,Xiao, Ning,&Wang, Chunsheng.(2020).A new sponge-associated starfish, Astrolirus patricki sp. nov. (Asteroidea: Brisingida: Brisingidae), from the northwestern Pacific seamounts.PEERJ,8,14.
MLA Zhang, Ruiyan,et al."A new sponge-associated starfish, Astrolirus patricki sp. nov. (Asteroidea: Brisingida: Brisingidae), from the northwestern Pacific seamounts".PEERJ 8(2020):14.
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