Cite this paper:
LIAN Xiping, TAN Yehui. A new species of Cymbasoma Thompson, 1888 (Copepoda: Monstrilloida) from the Fujian coast, China[J]. HaiyangYuHuZhao, 2019, 37(5): 1708-1713

A new species of Cymbasoma Thompson, 1888 (Copepoda: Monstrilloida) from the Fujian coast, China

LIAN Xiping1, TAN Yehui1,2
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
Abstract:
A new monstrilloid copepod species, Cymbasoma cheni sp. nov., from Meizhou Bay (an embayment in Fujian Province, southeastern China) is described and illustrated. The diagnostic character of the new species is the structure and armature of the fifth leg, which is represented by a single lobe armed with three naked setae subequal in length. The new species closely resembles Cymbasoma bowmani SuárezMorales and Gasca, 1998 in the structure of the fifth legs, and the body proportions, including total body length, and relative lengths of the cephalothorax and the genital double somite. However, Cymbasoma cheni sp. nov. is distinguished by lack of cuticular ornamentation on the cephalothorax, the position of the oral papilla, and the structure of the fifth leg with three naked setae. Although the structure of the fifth legs is similar in Cymbasoma cheni sp. nov. and Cymbasoma quintanarooense (Suárez-Morales, 1994), the new species can be easily distinguished from Cymbasoma quintanarooense by the relative length of the antennule, differences in the genital double-somite and the ovigerous spines, and the shape of ocelli. This is the sixth record of this genus from China seas.
Key words:    copepoda|Monstrilloida|Cymbasoma|new species|Fujian Coast   
Received: 2018-09-14   Revised: 2018-10-11
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