Oncholaimus zhangi sp. nov. (Oncholaimidae, Nematoda) from the intertidal zone of the East China Sea  

作　　者：高群 黄勇 

机构地区：[1]College of Life Sciences, Liaocheng University, Liaocheng 252059, China

出　　处：《Chinese Journal of Oceanology and Limnology》2017年第5期1212-1217,共6页中国海洋湖沼学报（英文版）

基　　金：Supported by the National Natural Science Foundation of China(No.41176107)

摘　　要：A new species of free-living marine nematode is described from intertidal sediment of the East China Sea.The new species belongs to the Oncholaimidae family.Oncholaimus zhangi sp.nov.is characterized by males having a large ventral swelling situated just posterior to the middle of the tail,no precloacal papilla,and a row of 6–7 ventral genital setae.The tails of both males and females are similar,being conico-cylindrical in shape.The new species is distinguished from other closely related species by the presence of a prominent ventral swelling at the tail of males and a similar tail shape in both sexes.About 110valid species in this genus have been recorded to date.A new species of free-living marine nematode is described from intertidal sediment of the East China Sea. The new species belongs to the Oncholaimidae family. Oncholaimus zhangi sp. nov. is characterized by males having a large ventral swelling situated just posterior to the middle of the tail, no precloacal papilla, and a row of 6-7 ventral genital setae. The tails of both males and females are similar, being conico-cylindrical in shape. The new species is distinguished from other closely related species by the presence of a prominent ventral swelling at the tail of males and a similar tail shape in both sexes. About 110 valid species in this genus have been recorded to date.

关 键 词：Oncholaimus zhangi sp. nov. free-living marine nematode taxonomy 

分 类 号：Q958[生物学—动物学]