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"Unicorn from Hades", a new genus of Mysidae (Malacostraca: Mysida) from the Mariana Trench, with a systematic analysis of the deep-sea mysids
Kou, Qi1,2,3,4; Meland, Kenneth5; Li, Xinzheng1,2,3,4; He, Lisheng6; Wang, Yong6
2020-02-01
Source PublicationMOLECULAR PHYLOGENETICS AND EVOLUTION
ISSN1055-7903
Volume143Pages:14
Corresponding AuthorLi, Xinzheng(lixzh@qdio.ac.cn)
AbstractSince the 19th century, oceanic explorations have confirmed that the hadal zone (water depth > 6000 m) is not lifeless, but contains many fascinating organisms. Amongst them are the Mysida, which is a group of crustaceans found in many deep-sea trenches. Based on morphological observations and molecular phylogenetic analyses of an undescribed taxon within the subfamily Erythropinae, a new genus of deep-sea mysids, Xenomysis gen. n., is described from the Challenger Deep in the Mariana Trench. The new genus is not assigned to any of the tribes within the Erythropinae, as our analyses do not support the current classification scheme of Erythropinae. The result of a molecular-clock analysis with fossil calibration reveals that several groups of Mysida have independently colonized deep water habitats in different geological periods, from Triassic to Cretaceous. In addition, ancestral state reconstruction analyses indicate the degenerate eyes in both Mysidae and Petalophthalmidae is a result of parallel evolution, and the reduction of compound eyes to both "single fused eyeplate" and "two separate eyeplates" occurred multiple times independently in the evolution of Erythropinae.
KeywordHadal zone Biodiversity Taxonomy Divergence time estimations Deep-sea colonization Parallel evolution
DOI10.1016/j.ympev.2019.106666
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2018YFC0309804] ; China Ocean Mineral Resources Research and Development Association Program[DY135-E2-3-04]
WOS Research AreaBiochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS SubjectBiochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS IDWOS:000506225200008
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/164104
Collection海洋生物分类与系统演化实验室
Corresponding AuthorLi, Xinzheng
Affiliation1.Chinese Acad Sci, Inst Oceanol, Dept Marine Organism Taxon & Phylogeny, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, 1 Wenhai Rd, Qingdao 266237, Peoples R China
4.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
5.Univ Bergen, Dept Biol Sci, POB 7800, N-5020 Bergen, Norway
6.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Dept Life Sci, 28 Luhuitou Rd, Sanya 572000, 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
Kou, Qi,Meland, Kenneth,Li, Xinzheng,et al. "Unicorn from Hades", a new genus of Mysidae (Malacostraca: Mysida) from the Mariana Trench, with a systematic analysis of the deep-sea mysids[J]. MOLECULAR PHYLOGENETICS AND EVOLUTION,2020,143:14.
APA Kou, Qi,Meland, Kenneth,Li, Xinzheng,He, Lisheng,&Wang, Yong.(2020)."Unicorn from Hades", a new genus of Mysidae (Malacostraca: Mysida) from the Mariana Trench, with a systematic analysis of the deep-sea mysids.MOLECULAR PHYLOGENETICS AND EVOLUTION,143,14.
MLA Kou, Qi,et al.""Unicorn from Hades", a new genus of Mysidae (Malacostraca: Mysida) from the Mariana Trench, with a systematic analysis of the deep-sea mysids".MOLECULAR PHYLOGENETICS AND EVOLUTION 143(2020):14.
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