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*南海中部深海海山汁蛇尾属(Ophiurothamnus)二新记录种(蛇尾纲,棘蛇尾科)*
陈婉莹^1,2, 张东声^1,2, 王春生^1,2
1.自然资源部海洋生态系统动力学重点实验室杭州 310012;2.自然资源部第二海洋研究所杭州 310012

摘要:

通过对2018年4-5月在南海中部黄岩海山采集的蛇尾样品进行形态学分类研究，鉴定发现棘蛇尾科Ophiacanthidae汁蛇尾属Ophiurothamnus两个新记录种：（1）双环汁蛇尾Ophiurothamnus discycla（H.L.Clark，1911）；（2）短简汁蛇尾Ophiurothamnus clausa（Lyman，1878）。本文分别对这两个新记录种的外部形态特征和内部骨骼进行了描述，并与相似种进行了分类学讨论。

关键词: 蛇尾纲棘蛇尾科汁蛇尾属新记录南海海山

DOI：10.11693/hyhz20191100232

分类号:Q959.267

基金项目:大洋“十三五”专项，DY135-E2-2-06号；国家重点研发计划，2016YFC0304105号；海洋公益性行业科研专项项目，201505004-5号；自然资源部第二海洋研究所基本科研业务费专项，JG1528号。

TWO NEW RECORDS OF GENUS OPHIUROTHAMNUS (OPHIUROIDEA, OPHIACANTHIDAE) FROM A DEEP-SEA SEAMOUNT OF THE SOUTH CHINA SEA

CHEN Wan-Ying^1,2, ZHANG Dong-Sheng^1,2, WANG Chun-Sheng^1,2

1.Key Laboratory of Marine Ecosystem Dynamics, Ministry of Natural Resources, Hangzhou 310012, China;2.Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China

Abstract:

During cruise KK1803 carried out by the RV TAN KAH KEE, three specimens of the genus Ophiurothamnus were collected from a deep-sea seamount (the Huangyan Seamount) in the South China Sea from April to May 2018. The three specimens were examined and identified as Ophiurothamnus discycla (H. L. Clark, 1911) and Ophiurothamnus clausa Lyman, 1878. They are two new records from the deep-sea seamount of the South China Sea. The morphological characters including arm skeleton were described in detail, and differences among them and their relatives were compared and discussed in taxonomy.

Key words: Ophiuroidea Ophiacanthidae Ophiurothamnus new record seamount in the South China Sea

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