陕西省陆生缓步动物系统分类组成研究

Study on the taxonomic composition of terrestrial Tardigrada in Shaanxi Province

缓步动物是一类微小的水生无脊椎多细胞动物,在系统分类上独列一门,与节肢动物有着较近的亲缘关系。目前,缓步动物门分为3纲、5目、13科、110多个属,超过1 250种。本文简要介绍了陕西省缓步动物门的系统分类研究进展,初步分析了陕西省缓步动物的分类组成。在陕西省已描述发表的缓步动物种类107种,隶属于2纲、3目、4科、17属。此外,展望了陕西省缓步动物区系分类的研究方法、研究方向和研究意义。

Tardigrada is a kind of micro aquatic invertebrate multicellular animal,which is a unique phylum in systematic classification and has close relationship with arthropod. At present,there are more than 1 250 species in more than 110 genera,13 families,5 orders and 3 classes. This paper briefly introduces the progress of systematic classification of Tardigrada in Shaanxi Province,and preliminarily analyzes the taxonomic composition of Tardigrada in Shaanxi Province. There are 107 species of Tardigrada in Shaanxi Province,which belong to 2 classes,3 orders,4 families and17 genera. In addition,the research methods,direction and significance of systematic classification of the Tardigrada in Shaanxi Province are prospected.