热带海洋学报

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南海磷虾科长螯磷虾属Stylocheiron一新纪录种的形态特征

周志乾1,2, 连喜平1, 谭烨辉1,2   

  1. 1. 中国科学院南海海洋研究所, 中国科学院热带海洋生物资源与生态重点实验室, 南海海洋生物标本馆, 广东  广州 510301

    2. 中国科学院大学, 北京 100049

  • 收稿日期:2024-09-10 修回日期:2024-11-14 接受日期:2024-11-25
  • 通讯作者: 连喜平
  • 基金资助:
    中国科学院战略生物资源能力建设项目(KFJ-BRP-017-48); 中国科学院生物分类学科学家岗位(CAS-TAX-24-042); 国家动物标本资源库; 广东省粤西热带海洋生态环境野外科学观测研究站(GSTOEW); 国家自然科学基金(42225602、92258301、42090042)

Morphological characteristics of a new recorded species of the genus Stylocheiron (Euphausiidae) from the South China Sea*

Zhou Zhiqian1,2, Lian Xiping1, Tan Yehui1,2   

  1. 1. Marine Biodiversity Collections of South China Sea, Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China

    2. University of Chinese Academy of Sciences, Beijing 100049, China 

  • Received:2024-09-10 Revised:2024-11-14 Accepted:2024-11-25
  • Contact: Lian, Xiping
  • Supported by:

    The Program for Capacity Building for Strategic Biological Resources, the Chinese Academy of Sciences (KFJ-BRP-017-48); Taxonomist project, Chinese Academy of Sciences(CAS-TAX-24-042); National Animal Collection Resource Center, China; Guangdong Provincial Observation and Research Station for Tropical Ocean Environment in Western Coastal Waters (GSTOEW); National Natural Science Foundation of China(42225602;92258301;42090042)

摘要: 长螯磷虾属Stylocheiron,隶属于软甲纲、磷虾目、磷虾科,全球海域已报道12种。本研究鉴定出南海长螯磷虾属的一新纪录种: 武装长螯磷虾Stylocheiron armatum Colosi, 1917。本文对其形态特征进行了详细描述,并与近似种隆长螯磷虾Stylocheiron carinatum进行了比较讨论。标本存于中国科学院南海海洋生物标本馆。

关键词: 磷虾, 长螯磷虾属, 形态分类, 第三胸足, 南海

Abstract: The genus Stylocheiron (Malacostraca: Euphausiacea: Euphausiidae) comprises 12 species reported worldwide. This study identifies a newly recorded species of Stylocheiron from the South China Sea, Stylocheiron armatum Colosi, 1917. Detailed descriptions of its morphology are provided, and a comparative analysis with the closely related species Stylocheiron carinatum is discussed. Specimens are deposited in the Marine Biodiversity Collections of the South China Sea, Chinese Academy of Sciences.

Key words: krill, Stylocheiron, morphological taxonomy, the third thoracic leg, South China Sea