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Two new and two rarely known species of Branchinotogluma (Annelida: Polynoidae) from deep-sea hydrothermal vents of the Manus Back-Arc basin, with remarks on the diversity and biogeography of vent polynoids
Wu, Xuwen1,2,3; Zhan, Zifeng1,2,3; Xu, Kuidong1,2,3,4
2019-07-01
Source PublicationDEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
ISSN0967-0637
Volume149Pages:20
Corresponding AuthorXu, Kuidong(kxu@qdio.ac.cn)
AbstractThe polynoid worms Branchinotogluma spp. are common and frequently abundant in deep-sea hydrothermal vents. They have the highest species diversity among the vent polynoids and various kinds of sexual dimorphism. Our investigation of polychaete specimens collected from deep-sea hydrothermal vents in the Manus Back-Arc Basin revealed four species of Branchinotogluma, including two new ones. These include Branchinotogluma segonzaci Miura and Desbruyeres (1995); B. trifurcus Miura and Desbruyeres (1995); B. pettiboneae sp. nov.; and B. ovata sp. nov. Branchinotogluma pettiboneae sp. nov. resembles B. tunnicliffeae (Pettibone, 1988), but can be distinguished from the latter by the reduced parapodia on segment 20 without notopodial lobes or notochaetae. Branchinotogluma ovata sp. nov. is most similar to B. elytropapillata Zhang et al., 2018, but differs from the latter in the structure of segment 19 in males, which is almost entirely wrapped inside segment 18 and invisible ventrally. The identities of the four species were well supported by genetic distance and phylogenetic analyses of the mitochondrial c oxidase subunit I (COI), 16S rRNA, 18S rRNA, and 28S rRNA genes. By combining reliable data on Branchinotogluma, Branchipolynoe, Lepidonotopodium, and Levensteiniella, the four most diverse polynoid genera occurring in hydrothermal vents, we evaluated their distribution pattern and delineated seven major hydrothermal biogeographic provinces worldwide. The Western Pacific harbors a higher species diversity of vent polynoids than the Eastern Pacific. Our analysis indicates that the Western Pacific is geographically complex and may have played an important role in the dispersal and speciation of vent polynoids.
KeywordPolychaeta Branchinotogluminae Taxonomy Biodiversity Biogeography Chemosynthetic environment
DOI10.1016/j.dsr.2019.05.011
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA11030201] ; Scientific and Technological Innovation Project - Qingdao National Laboratory for Marine Science and Technology[2016ASKJ14] ; National Natural Science Foundation of China[31601842]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000483410100006
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/162748
Collection海洋生物分类与系统演化实验室
Corresponding AuthorXu, Kuidong
Affiliation1.Chinese Acad Sci, Inst Oceanol, Lab Marine Organism Taxon & Phylogeny, Qingdao 266071, Shandong, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Shandong, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Shandong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wu, Xuwen,Zhan, Zifeng,Xu, Kuidong. Two new and two rarely known species of Branchinotogluma (Annelida: Polynoidae) from deep-sea hydrothermal vents of the Manus Back-Arc basin, with remarks on the diversity and biogeography of vent polynoids[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2019,149:20.
APA Wu, Xuwen,Zhan, Zifeng,&Xu, Kuidong.(2019).Two new and two rarely known species of Branchinotogluma (Annelida: Polynoidae) from deep-sea hydrothermal vents of the Manus Back-Arc basin, with remarks on the diversity and biogeography of vent polynoids.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,149,20.
MLA Wu, Xuwen,et al."Two new and two rarely known species of Branchinotogluma (Annelida: Polynoidae) from deep-sea hydrothermal vents of the Manus Back-Arc basin, with remarks on the diversity and biogeography of vent polynoids".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 149(2019):20.
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