Morphology and molecular phylogeny of two new species in genus Freyastera (Asteroidea: Brisingida: Freyellidae), with a revised key to close species and ecological remarks
文献类型:期刊论文
作者 | Zhang, Ruiyan3,4,5; Wang, Chunsheng2,3,4,5; Zhou, Yadong3,4; Zhang, Haibin1 |
刊名 | DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS |
出版日期 | 2019-12-01 |
卷号 | 154期号:1页码:11 |
ISSN号 | 0967-0637 |
关键词 | Freyastera New species Key Molecular phylogeny Global distribution |
DOI | 10.1016/j.dsr.2019.103163 |
英文摘要 | Freyastera (Downey, 1986) is a derived group of deep-sea starfish in the order Brisingida with 6 arms and slender ambulacral plates, whose taxonomy and phylogeny have rarely been investigated. In this research, two new species of Freyastera are reported from the northwest Pacific Ocean, both characterized by fairly long and numerous lateral spines and the presence of furrow spines. Freyastera delicata n. sp. is further distinguished from other species by having 6-8 spinelets arranged in a transverse line on each abactinal arm plate. Freyastera basketa n. sp. is similar to the Atlantic species Freyastera sexradiata (Perrier, 1885), but differs from the latter by the presence of pedicellariae on the abactinal surface and number of mouth spines and lateral spines. A revised key to Freyastera and potential Freyastera spp. from the genus Freyella (Perrier, 1885) is provided. Phylogenetic analysis was conducted using available molecular data for the order Brisingida. The intraspecific and interspecific divergence within Freyastera are recognized from a COI genetic distance matrix, in which some abnormal intraspecific distances are found between the known species, which might indicate the existence of cryptic species and an underestimated diversity in the genus. A phylogenetic tree of Brisingida is constructed based on a concatenated sequence dataset of COI, 16S and H3 gene fragments. The tree supports the affinity of Freyastera and Freyella, which together form a crown Glade within the order. The global distribution and in situ observations of Freyastera are discussed to provide information on their ecological characteristics and diversity. |
WOS关键词 | MITOCHONDRIAL ; ECHINODERMATA ; FORCIPULATACEA ; SYSTEMATICS ; INSIGHTS |
资助项目 | National Program on Key Basic Research Project (973 Program) of China[2015CB755902] ; foundation of China Ocean Mineral Resources RD Association[DY135-E2-2-03] ; scientific research fund of the Second Institute of Oceanography, MNR[JG1528] |
WOS研究方向 | Oceanography |
语种 | 英语 |
出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
WOS记录号 | WOS:000506714600006 |
资助机构 | National Program on Key Basic Research Project (973 Program) of China ; foundation of China Ocean Mineral Resources RD Association ; scientific research fund of the Second Institute of Oceanography, MNR |
版本 | 出版稿 |
源URL | [http://ir.idsse.ac.cn/handle/183446/7398] |
专题 | 深海科学研究部_深海生物学研究室_海洋生物生态与进化研究组 |
通讯作者 | Wang, Chunsheng |
作者单位 | 1.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China 2.State Key Lab Satellite Ocean Environm Dynam, Hangzhou 310012, Peoples R China 3.Minist Nat Resources, Inst Oceanog 2, Hangzhou 310012, Peoples R China 4.Minist Nat Resources, State Ocean Adm, Key Lab Marine Ecosyst & Biogeochem, Hangzhou 310012, Peoples R China 5.Shanghai Jiao Tong Univ, Sch Oceanog, Shanghai 200240, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Ruiyan,Wang, Chunsheng,Zhou, Yadong,et al. Morphology and molecular phylogeny of two new species in genus Freyastera (Asteroidea: Brisingida: Freyellidae), with a revised key to close species and ecological remarks[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2019,154(1):11. |
APA | Zhang, Ruiyan,Wang, Chunsheng,Zhou, Yadong,&Zhang, Haibin.(2019).Morphology and molecular phylogeny of two new species in genus Freyastera (Asteroidea: Brisingida: Freyellidae), with a revised key to close species and ecological remarks.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,154(1),11. |
MLA | Zhang, Ruiyan,et al."Morphology and molecular phylogeny of two new species in genus Freyastera (Asteroidea: Brisingida: Freyellidae), with a revised key to close species and ecological remarks".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 154.1(2019):11. |
入库方式: OAI收割
来源:深海科学与工程研究所
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