中国涡虫一新纪录科达氏涡虫属一新种(单肠目,达氏科)  

A NEW SPECIES OF THE GENUS DALYELLIA FROM CHINA(TURBELLARIA, RHABDOCOELA)

作　　者：汪安泰[1] 

机构地区：[1]深圳大学生命科学学院,深圳518060

出　　处：《动物分类学报》2004年第4期697-699,共3页Acta Zootaxonomica Sinica

摘　　要：记述了中国涡虫纲单肠目 1新纪录科达氏科达氏涡虫属 1新种 ,即中国达氏涡虫Dalyelliasinensissp .nov.。新种的主要鉴别特征是 :表皮下有许多单细胞绿藻Chlorellasp .,体表呈绿色 ;体长 2 2 0 0 μm ,体中部宽 4 75μm ,几丁质阴茎长 178μm ,柄 2根 ,柄长 10 0 μm ,柄宽 13～ 15 μm ,两柄间距 188μm ,分支 2条 ,呈心形排列 ,阴茎上有几丁质刺 2 2根 ,分支末端的刺长是基部刺长的 1/5。标本保存在深圳大学生命科学学院形态学研究室。A new species of Dalyelliidae Dalyellia sinensis is described from a alpine ghyll in Mt. Shennongjia, Hubei Province,China. Living sexually mature specimens 1930-2220μm in length and 470-490μm in width, green in color. Its main characteristic is that many zoochlorellae,Chlorella sp. exist under epidermis, Its penis is 178μm in length with one pair of handles each of which is 100μm in length, 13-15μm in widen. distance of free end of handle is 188μm. Penis “H”shaped. There are 22 thorns on the penis. Holotype SNJ2003.11.3.1. New species was collected from rivulet of Muyu Town(31.45°N,110.45°E)in Mt. Shennongjia, Hubei Province, China. alt. 1200m, temperature 8℃, pH 8.10. Collected by WANG An-Tai. All specimens were deposited in Morphological Research Laboratory of Life Science College, Shenzhen University, China.

关 键 词：涡虫纲 新纪录 新种 鉴别特征 记述 几丁质 绿藻 阴茎 皮下 标本保存 

分 类 号：Q959.131[生物学—动物学]