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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
Source PublicationPEERJ
ISSN2167-8359
Volume8Pages:14
Corresponding AuthorWang, Chunsheng(wangsio@sio.org.cn)
AbstractSeamounts 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.
KeywordStarfish Deep-sea Brisingida Astrolirus Sponge associate Seamount
DOI10.7717/peerj.9071
Indexed BySCI
Language英语
Funding ProjectFoundation 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 Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000535666000004
PublisherPEERJ INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167579
Collection海洋生物分类与系统演化实验室
Corresponding AuthorWang, Chunsheng
Affiliation1.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
Recommended Citation
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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