寡毛类系环节动物门之一纲，为蚯蚓类。体长，横切面呈圆形，少数种类背腹扁平。身体具体节，内外均很明显，体腔被隔膜间隔。
...1)种类组成 共观察到底栖动物23 种,其中寡毛类6 种,水生昆虫4 种,软体动物12 种,其它动物 1 种,其名录如下: 寡毛类(Oligochaeta): 霍夫水丝蚓Limnodrilushoffmeisteri 前节管水蚓AulodriluSprotlwcat" 苏氏尾鳃蚓Branchiumsowerbyi 夹杂带丝蚓Lumbriculuvarie...
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Other species including oligochaeta, nematode, chironomus and water mites were also recorded.
共发现轮虫28种,甲壳类8种,还发现寡毛类、线虫、摇蚊幼虫、水螨等种类。
参考来源 - 生物活性炭滤池无脊椎动物群落分析及控制技术·2,447,543篇论文数据，部分数据来源于NoteExpress
对比历史数据可知，洱海寡毛类和摇蚊科比例继续增加，表明湖泊有机污染进一步加重。
Compared with historical data, the proportions of Oligochaete and Chironomid in Erhai Lake continued to increase, which implied that the organic pollution in the Lake was further intensified.
现阶段国内外利用微型动物进行污泥减量的研究主要集中在寡毛类蠕虫如仙女虫、红斑顠体虫、颤 蚓等体型较大的后生动物。
Domestic sludge reduction research using micro-stage animals are mainly focused on oligochaetes worms, such as Naididae, Aeolosma hemprichii, Tubificidae and other large size metazoanes.
本研究对广东中山淡水寡毛类进行了区系调查，对长江中下游13个阻隔湖泊和通江湖泊进行了底栖动物群落环境梯度分析，初步构建了环境指示函数。
The present paper embodies two studies: faunal analysis of aquatic oligochaeta in Zhongshan, South China, and environment gradient analyses of zoobenthos in 13 Yangtze shallow lakes.
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