Knowledge Management System Of Institute of Oceanology, Chinese Academy of Sciences
| Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp nov and Synonchium caudatubatum sp nov (Nematoda, Selachinematidae) | |
Shi, Benze1 ; Xu, Kuidong1,2,3
| |
| 2018-02-20 | |
| 发表期刊 | EUROPEAN JOURNAL OF TAXONOMY
 |
| ISSN | 2118-9773 |
| 卷号 | 405页码:1-17 |
| 通讯作者 | Xu, Kuidong([email protected]) |
| 摘要 | Two new species of the family Selachinematidae Cobb, 1915 from an intertidal sandy flat in the East China Sea are described. Both species are distinct rapacious nematodes, preying on other nematodes. Gammanema magnum sp. nov. is characterized by its leaf-like labial setae, large loop-shaped amphideal fovea in the male and small spiral ones in the female, an anterior buccal cavity reinforced by 12 rhabdia, each rhabdion with about six denticles, and two unequally long spicules. Gammanema magnum sp. nov. is a striking species, exhibiting extreme sexual dimorphism in the amphideal fovea, but lacking a gubernaculum or precloacal supplements, all features by which it can be differentiated from congeneric species. Synonchium caudatubatum sp. nov. is characterized by a posterior buccal cavity, with three mandibles each with a large tooth flanked by three smaller teeth on both sides, a transverse oval-shaped multispiral amphideal fovea, and a bluntly rounded tail with a protuberant caudal duct. Synonchium caudatubatum sp. nov. is unique in the genus in having a protuberant caudal duct in the tail end. Furthermore, it differs from its congeners by its mandibles, which have seven teeth each. Synonchium caudatubatum sp. nov. lacks a gubernaculum and a precloacal supplement, both features present in congeners except S. depressum Gerlach, 1954. |
| 关键词 | East China Sea marine nematode morphology new species sandy sediment |
| DOI | 10.5852/ejt.2018.405 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | China Postdoctoral Science Foundation[2016M602201]###782; Community Structure of the Meiofauna and Evaluation on the Marine Environment in the Nanji Islands under official construction of the Nanji Islands National Marine Natural Reserve of the State Oceanic Administration of China[NJKJ2016-004]###1392; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology###1393; China Postdoctoral Science Foundation[2016M602201]; Community Structure of the Meiofauna and Evaluation on the Marine Environment in the Nanji Islands under official construction of the Nanji Islands National Marine Natural Reserve of the State Oceanic Administration of China[NJKJ2016-004]; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology |
| WOS研究方向 | Zoology |
| WOS类目 | Zoology |
| WOS记录号 | WOS:000425731400001 |
| 出版者 | MUSEUM NATL HISTOIRE NATURELLE |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/158033 |
| 专题 | 中国科学院海洋研究所 |
| 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.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, 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 | Shi, Benze,Xu, Kuidong. Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp nov and Synonchium caudatubatum sp nov (Nematoda, Selachinematidae)[J]. EUROPEAN JOURNAL OF TAXONOMY,2018,405:1-17. |
| APA | Shi, Benze,&Xu, Kuidong.(2018).Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp nov and Synonchium caudatubatum sp nov (Nematoda, Selachinematidae).EUROPEAN JOURNAL OF TAXONOMY,405,1-17. |
| MLA | Shi, Benze,et al."Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp nov and Synonchium caudatubatum sp nov (Nematoda, Selachinematidae)".EUROPEAN JOURNAL OF TAXONOMY 405(2018):1-17. |
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