Two new oxystominid species (Nematoda: Enoplida) from an abyssal plain in the southern Philippine Sea | |
Yu, Tingting1; Xu, Kuidong1,2,3 | |
2018-06-01 | |
发表期刊 | JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM |
ISSN | 0025-3154 |
卷号 | 98期号:4页码:801-810 |
通讯作者 | Xu, Kuidong(kxu@qdio.ac.cn) |
摘要 | Two new species of free-living marine nematodes, Litinium dispariseta sp. nov. and Wieseria minor sp. nov. are described from an abyssal plain with a water depth of 4117-5035 m near the Southern Kyushu-Palau Ridge in the tropical Western Pacific Ocean. Litinium dispariseta sp. nov. is characterized by having distinct inner labial setae two times longer than the outer labial setae, wrench-like amphideal foveas, a single preanal midventral supplementary seta and a short cylindrical tail with bluntly rounded tip. It differs from congeners by its distinctly long inner labial setae relative to the outer labial setae (two times longer vs shorter or equal in length) and peculiar wrench-like amphideal foveas (vs horseshoe shaped or ovoid with round to oval anterior aperture). Wieseria minor sp. nov. has a clavate tail, a character found only in the four congeners W. glandulosa (Kreis, 1929), W. longiseta (Allgen, 1947), W. clavata Gerlach, 1956 and W. inaequalis Gerlach, 1956. However, Wieseria minor sp. nov. differs from these congeners by its much smaller body size (1045 mu m vs 2120-3125 mu m) and oblong amphideal foveas with double contour (vs a single oblong or ovoid loop). An emended diagnosis for Wieseria and pictorial keys for Litinium and Wieseria are provided. |
关键词 | deep sea nematode taxonomy Litinium dispariseta sp nov. Wieseria minor sp nov. |
DOI | 10.1017/S0025315417000042 |
收录类别 | SCI |
语种 | 英语 |
资助项目 | Strategic Priority Research Programme of the Chinese Academy of Sciences[XDA11030201] ; National Basic Research Programme of China (973 Programme)[2015CB755902] ; National Programme on Global Change and Air-Sea Interaction ; Strategic Priority Research Programme of the Chinese Academy of Sciences[XDA11030201] ; National Basic Research Programme of China (973 Programme)[2015CB755902] ; National Programme on Global Change and Air-Sea Interaction |
WOS研究方向 | Marine & Freshwater Biology |
WOS类目 | Marine & Freshwater Biology |
WOS记录号 | WOS:000435649100016 |
出版者 | CAMBRIDGE UNIV PRESS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.qdio.ac.cn/handle/337002/159952 |
专题 | 海洋生物分类与系统演化实验室 |
通讯作者 | Xu, Kuidong |
作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Dept Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China |
第一作者单位 | 中国科学院海洋研究所 |
通讯作者单位 | 中国科学院海洋研究所 |
推荐引用方式 GB/T 7714 | Yu, Tingting,Xu, Kuidong. Two new oxystominid species (Nematoda: Enoplida) from an abyssal plain in the southern Philippine Sea[J]. JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM,2018,98(4):801-810. |
APA | Yu, Tingting,&Xu, Kuidong.(2018).Two new oxystominid species (Nematoda: Enoplida) from an abyssal plain in the southern Philippine Sea.JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM,98(4),801-810. |
MLA | Yu, Tingting,et al."Two new oxystominid species (Nematoda: Enoplida) from an abyssal plain in the southern Philippine Sea".JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM 98.4(2018):801-810. |
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