Paragnomoxyala gen. nov (Xyalidae, Monhysterida, Nematoda) from the East China Sea

被引：11
作者：
Jiang, Weijun [1 ]
Huang, Yong [1 ]
机构：
[1] Liaocheng Univ, Coll Life Sci, Liaocheng 252059, Peoples R China
来源：
ZOOTAXA | 2015年 / 4039卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Nematode taxonomy; Paragnomoxyala gen. nov; Paragnomoxyala breviseta sp nov; East China Sea; LIVING MARINE NEMATODES;
D O I：
10.11646/zootaxa.4039.3.6
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
A new genus, Paragnomoxyala gen. nov., and a new species, Paragnomoxyala breviseta sp. nov. are described from the East China Sea. Paragnomoxyala gen. nov. is characterized by having large funnel-shaped buccal cavity with cuticularized walls and extended anteriorly; lips very high; striated cuticle; four cephalic setae, absence of outer labial setae; circular amphidial fovea; straight spicules and absence of gubernaculum; tail conico-cylindrical with three terminal setae; female monodelphic with an anterior outstretched ovary. It differs from similar genera by having a large buccal cavity unique in Xyalidae, straight spicules, lacking gubernaculum, and conico-cylindrical tail with terminal setae. Paragnomoxyala breviseta sp. nov. is characterized by having a large funnel-shaped buccal cavity, with cuticularized walls and extended anteriorly, 1.6-1.8 hd long and 63-79% cbd wide; four cephalic setae 3-4 mu m long; circular amphids 6-9 mu m in diameter; spicules straight but slightly bent at both ends; absence of gubernaculum and precloacal supplement.
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页码：467 / 474
页数：8
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