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Tritonia iocasica sp. nov., a new tritoniid species from a seamount in the tropical western Pacific (Heterobranchia: Nudibranchia)
Zhang, Shuqian1,2; Zhang, Suping1,2
2021-08-12
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Pages13
Corresponding AuthorZhang, Shuqian(zsqtaxon@qdio.ac.cn) ; Zhang, Suping(museum@qdio.ac.cn)
AbstractDuring an expedition to a seamount at Caroline Plate in the tropical western Pacific, a new species of Tritonia was sampled from the upper bathyal zone at depth of 970-1 262 m. This new species, Tritonia iocasica sp. nov., represents the first tritoniid nudibranch known to feed on octocoral of the family Melithaeidae. The species is up to 120 mm in length, pinkish in color; with the rhinophoral sheath divided into several petaliform extensions; veil with about 18 elongate digitiform processes; notal margin with 17-19 pairs of secondary gills; anus located below the 5(th) and 6(th) secondary gills, and the genitalia below the 3(rd) secondary gill on the right side of the body. Based on these external features, T. iocasica sp. nov. can be clearly distinguished from all previously described members of the genus. Phylogenetic analyses of two mitochondrial (COI, 16S rRNA) and a nuclear (H3) genes using Bayesian inference, maximum likelihood, and species delimitation analysis also support the separation of T. iocasica sp. nov. from its congeners.
KeywordTritoniidae Mariana Trench upper bathyal zone Melithaeidae
DOI10.1007/s00343-021-0408-3
Indexed BySCI
Language英语
Funding ProjectScience & Technology Basic Resources Investigation Program of China[2017FY100804] ; Key Program of National Natural Science Foundation of China[41930533] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42000000] ; Major Program of National Natural Science Foundation of China[42090044] ; Senior User Project of R/V Kexue[Kexue2020G02]
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000684088300010
PublisherSCIENCE PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/175987
Collection海洋生物分类与系统演化实验室
Corresponding AuthorZhang, Shuqian; Zhang, Suping
Affiliation1.Chinese Acad Sci, Inst Oceanol, Lab Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, 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
Zhang, Shuqian,Zhang, Suping. Tritonia iocasica sp. nov., a new tritoniid species from a seamount in the tropical western Pacific (Heterobranchia: Nudibranchia)[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2021:13.
APA Zhang, Shuqian,&Zhang, Suping.(2021).Tritonia iocasica sp. nov., a new tritoniid species from a seamount in the tropical western Pacific (Heterobranchia: Nudibranchia).JOURNAL OF OCEANOLOGY AND LIMNOLOGY,13.
MLA Zhang, Shuqian,et al."Tritonia iocasica sp. nov., a new tritoniid species from a seamount in the tropical western Pacific (Heterobranchia: Nudibranchia)".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2021):13.
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