| Tritonia iocasica sp. nov., a new tritoniid species from a seamount in the tropical western Pacific (Heterobranchia: Nudibranchia) | |
Zhang, Shuqian1,2 ; Zhang, Suping1,2
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| 2021-08-12 | |
| 发表期刊 | JOURNAL OF OCEANOLOGY AND LIMNOLOGY
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| ISSN | 2096-5508 |
| 页码 | 13 |
| 通讯作者 | Zhang, Shuqian([email protected]) ; Zhang, Suping([email protected]) |
| 摘要 | During an expedition to a seamount at Caroline Plate in the tropical western Pacific, a new species of Tritonia was sampled from the upper bathyal zone at depth of 970-1 262 m. This new species, Tritonia iocasica sp. nov., represents the first tritoniid nudibranch known to feed on octocoral of the family Melithaeidae. The species is up to 120 mm in length, pinkish in color; with the rhinophoral sheath divided into several petaliform extensions; veil with about 18 elongate digitiform processes; notal margin with 17-19 pairs of secondary gills; anus located below the 5(th) and 6(th) secondary gills, and the genitalia below the 3(rd) secondary gill on the right side of the body. Based on these external features, T. iocasica sp. nov. can be clearly distinguished from all previously described members of the genus. Phylogenetic analyses of two mitochondrial (COI, 16S rRNA) and a nuclear (H3) genes using Bayesian inference, maximum likelihood, and species delimitation analysis also support the separation of T. iocasica sp. nov. from its congeners. |
| 关键词 | Tritoniidae Mariana Trench upper bathyal zone Melithaeidae |
| DOI | 10.1007/s00343-021-0408-3 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | Science & Technology Basic Resources Investigation Program of China[2017FY100804]; Key Program of National Natural Science Foundation of China[41930533]; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42000000]; Major Program of National Natural Science Foundation of China[42090044]; Senior User Project of R/V Kexue[Kexue2020G02] |
| WOS研究方向 | Marine & Freshwater Biology ; Oceanography |
| WOS类目 | Limnology ; Oceanography |
| WOS记录号 | WOS:000684088300010 |
| 出版者 | SCIENCE PRESS |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/175987 |
| 专题 | 海洋生物分类与系统演化实验室 |
| 通讯作者 | Zhang, Shuqian; Zhang, Suping |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Lab Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China 2.Chinese Acad Sci, Ctr Ocean Mega Sci, 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 | Zhang, Shuqian,Zhang, Suping. Tritonia iocasica sp. nov., a new tritoniid species from a seamount in the tropical western Pacific (Heterobranchia: Nudibranchia)[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2021:13. |
| APA | Zhang, Shuqian,&Zhang, Suping.(2021).Tritonia iocasica sp. nov., a new tritoniid species from a seamount in the tropical western Pacific (Heterobranchia: Nudibranchia).JOURNAL OF OCEANOLOGY AND LIMNOLOGY,13. |
| MLA | Zhang, Shuqian,et al."Tritonia iocasica sp. nov., a new tritoniid species from a seamount in the tropical western Pacific (Heterobranchia: Nudibranchia)".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2021):13. |
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