Morphogenesis in a population of Urosoma salmastra collected from saline soil in Weinan, China, was investigated using protargol staining. The main morphogenetic event that characterizes U. salmastra is the inclusion of cirrus III/2 in the formation of the frontoventra-transverse cirral anlagen. We also provide small subunit ribosomal DNA gene sequences for a population of U. salmastra and for two populations of U. emarginata. The molecular phylogeny indicates that Urosoma is not monophyletic, viz, U. emarginata branches separately from its congeners and the closest relative of U. salmastra is Oxytricha granulifera.

中文翻译：

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盐渍土壤纤毛线虫Urosoma salmastra的形态发生（Dragesco andDragesco-Kernéis，1986年），Berger，1999年，关于线虫的系统发育（Ciliophora，Hypotrichia）。

使用普他塔戈尔染色研究了从渭南盐渍土壤中采集的一条乌鲁斯玛鱼种群的形态发生。表征U. salmastra的主要形态发生事件是在额腹侧横生环形胶原蛋白的形成中包含了Cirrus III / 2。我们还提供了U. salmastra种群和两个E. emarginata种群的小亚基核糖体DNA基因序列。分子系统发育学表明，尿壶瘤不是单系的，即U. emarginata与其同类同源地分开分支，而U. salmastra的近亲是Oxytricha granulifera。