| WANG Chunsheng,ZHOU Yadong,JIANG Dan,HAN Jie. 2018. Report of a chiton in the genus Leptochiton (Lepidopleurida: Lepidopleurina: Leptochitonidae) from the Yap Trench in the West Pacific Ocean. Acta Oceanologica Sinica, 37(10):205－208 |
| Report of a chiton in the genus Leptochiton (Lepidopleurida: Lepidopleurina: Leptochitonidae) from the Yap Trench in the West Pacific Ocean |
| 鳞侧石鳖属(Leptochiton)一物种在西太平洋雅普海沟分布的新记录 |
| Received:December 01, 2017 |
| DOI：10.1007/s13131-018-1327-9 |
| Key words:chiton Leptochiton the West Pacific Ocean the Yap Trench |
| 中文关键词: 石鳖 鳞侧石鳖属 西太平洋 雅普海沟 |
| 基金项目:The National Program on Key Basic Research Project of China under contract No. 2015CB755902. |
| Author Name | Affiliation | E-mail | | WANG Chunsheng | Key Laboratory of Marine Ecosystem and Biogeochemistry, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China | | | ZHOU Yadong | Key Laboratory of Marine Ecosystem and Biogeochemistry, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China | | | JIANG Dan | Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, College of Life Sciences, Beijing Normal University, Beijing 100875, China | | | HAN Jie | Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, College of Life Sciences, Beijing Normal University, Beijing 100875, China | jiehan@bnu.edu.cn |
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| Abstract: |
| Two chiton specimens were collected from sedimentary habitat by China's manned Jiaolong submersible diving to a depth of 6 754 m in the north of the Yap Trench. This is a new locality record for chiton. Both morphological and molecular data support that the two specimens are the same species belonging to the genus Leptochiton. Morphologically, this species strongly resembles L. vanbellei and L. deforgesi. Phylogenetically, it has a close evolutionary relationship with L. vanbellei, L. deforgesi and L. boucheti. This is the third deepest record for deep-sea chitons so far. |
| 中文摘要: |
| 蛟龙号载人潜水器在位于雅普海沟北部6 745 m深处的底栖沉积环境中采集到两只石鳖样本，这是石鳖物种分布于此的新记录。形态学和DNA分子标记均支持两只石鳖为鳞侧石鳖属（Leptochiton）同一物种。该种在形态上与L.vanbellei和L.deforgesi接近；在系统发生方面，与L.vanbellei，L.deforgesi和L.boucheti的亲缘关系密切。这是截至目前世界石鳖分布报道的第三深度记录。 |
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