A new free-living nematode Intasia monohystera gen. n., sp n. (Nematoda, Araeolaimida, Diplopeltidae) from the Barents Sea and the White Sea, with a key to genera of Diplopeltidae

被引:0
作者
Tchesunov, Alexei V. [1 ]
Miljutina, Maria A. [2 ]
机构
[1] Moscow MV Lomonosov State Univ, Fac Biol, Dept Invertebrate Zool, Moscow 119992, Russia
[2] Russian Acad Sci, PP Shirshovs Inst Oceanol, Moscow 117851, Russia
来源
RUSSIAN JOURNAL OF NEMATOLOGY | 2008年 / 16卷 / 01期
关键词
Araeolaimida; Barents Sea; deep-sea nematodes; Diplopeltidae; Hakon Mosby; Intasia; Kandalaksha Trench; marine free-living nematodes; Nematoda; taxonomy; White Sea;
D O I
暂无
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
Intasia monohystera gen. n., sp. n. (Diplopeltidae) is described from two localities, Hakon Mosby Mud Volcano in the Barents Sea (depth 1294 m) and Kandalaksha Trench in the White Sea (depth 270-287.5 m). The new genus Intasia is featured by finely cross-striated cuticle without lateral differentiation; terminal Mouth Opening; rounded comma-like amphidial fovea, narrow tubular buccal cavity, evenly Muscular pharynx, position of the ventral pore at the level of anterior part of pharynx, and an impaired anterior outstretched ovary with a posterior blind sack. The new genus is closely related to Araeolaimus and Southerniella and differs mainly by prodelphic female gonad. A pictorial key for the twelve valid genera of the family Diplopeltidae is proposed. The genus Striatodora is considered as genus incerta sedis.
引用
收藏
页码:33 / 48
页数:16
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