Cite this paper:
HUANG Yong, SUN Jing. Paramonohystera weihaiensis sp. nov. (Xyalidae, Nematoda) from the intertidal beach of the Yellow Sea, China[J]. HaiyangYuHuZhao, 2019, 37(4): 1403-1408

Paramonohystera weihaiensis sp. nov. (Xyalidae, Nematoda) from the intertidal beach of the Yellow Sea, China

HUANG Yong1,2, SUN Jing1,2
1 College of Life Sciences, Liaocheng University, Liaocheng 252059, China;
2 Key Laboratory of Ecology and Biodiversity of Shandong Colleges and University, Liaocheng 252059, China
A new species of free-living marine nematode of the genus Paramonohystera was described from the intertidal beach, Weihai. Paramonohystera weihaiensis sp. nov. is characterized by cervical region with a circle of long setae; tail sexual dimorphism, male tail angled dorsally with sharp narrowed of the body at the cloaca, female tail ordinary conico-cylindrical; spicules slender, 2.5 abd long; gubernaculum plate, enlarged distal end with two teeth, without apophysis; precloacal supplements absent; Four caudal gland cells obviously extended to tail. The new species differs from the other fourteen known valid congeners by the combination of its characteristics:a circle of long cervical setae, tail sexual dimorphism, spicules slender, 2.5 abd long, gubernaculum plate with a distal pair of teeth.
Key words:    new species|free-living marine nematode|taxonomy   
Received: 2018-09-04   Revised: 2018-10-12
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