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Integrative taxonomy reveals new taxa of Trochidae (Gastropoda: Vetigastropoda) from seamounts in the tropical western Pacific
Zhang, Shuqian1,2; Zhang, Junlong1,2; Zhang, Suping1,2
2020-05-01
Source PublicationDEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
ISSN0967-0637
Volume159Pages:15
Corresponding AuthorZhang, Suping(museum@qdio.ac.cn)
AbstractDuring two expeditions to seamounts near the Mariana Trench in the tropical western Pacific, several trochiform shells from the upper bathyal zone were sampled. Morphological observations of these specimens suggest that they represent two new species that belong to the family Trachidae, but the shell morphology, radular plan, and external anatomy differ considerably from those of closely related genera. A new subfamily, Carinotrochinae subfam. nov., and a new genus, Carinotrochus gen. nov., are proposed herein to accommodate these two species. Carinotrochus marianaensis sp. nov., the type species, was associated with coral debris at a depth of 865 m, and Carinotrochus williamsae sp. nov. was discovered crawling on a hydroid Stegolaria sp. that was attached to a dead bamboo coral at a depth of 1332 m. Genertic analysis of mitochondrial COI, 16S rRNA, and nuclear 285 rRNA genes using maximum likelihood, Bayesian inference, and pairwise uncorrected p-distances confirmed that the new taxa are trochids but do not belong to any existing defined subfamily. Molecular clock analysis based on concatenated sequences (COI, 16S, and 285) indicated that Carinotrochinae subfam. nov. split from its shallow water sister subfamily Trochinae roughly 80 Mya during the Late Cretaceous.
KeywordGastropoda Trochoidea Mariana Trench Deep sea New subfamily
DOI10.1016/j.dsr.2020.103234
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA22050203] ; Science & Technology Basic Resources Investigation Program of China[2017FY100804] ; Special Funds for the Young Scholars of Taxonomy of the Chinese Academy of Sciences[ZSBR-009]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000529921100009
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167335
Collection海洋生物分类与系统演化实验室
Corresponding AuthorZhang, Suping
Affiliation1.Chinese Acad Sci, Inst Oceanol, Lab Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Shuqian,Zhang, Junlong,Zhang, Suping. Integrative taxonomy reveals new taxa of Trochidae (Gastropoda: Vetigastropoda) from seamounts in the tropical western Pacific[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2020,159:15.
APA Zhang, Shuqian,Zhang, Junlong,&Zhang, Suping.(2020).Integrative taxonomy reveals new taxa of Trochidae (Gastropoda: Vetigastropoda) from seamounts in the tropical western Pacific.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,159,15.
MLA Zhang, Shuqian,et al."Integrative taxonomy reveals new taxa of Trochidae (Gastropoda: Vetigastropoda) from seamounts in the tropical western Pacific".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 159(2020):15.
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