中国涡虫一新纪录科(扁形动物门,单肠目,盲扁虫科)背睾涡虫属一新种  

A NEW SPECIES REPRESENTING THE FIRST RECORD OF THE FAMILY TYPHLOPLANIDAE FROM CHINA(PLATYHELMINTHES,RHABDOCOELA)

作　　者：汪安泰[1] 孙源[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》2011年第1期159-164,共6页Acta Zootaxonomica Sinica

基　　金：国家水体污染控制与治理科技重大专项(2008ZX07526;2009ZX07423-003)资助

摘　　要：记述了中国涡虫单肠目1新纪录科背睾涡虫属1新种,即中国背睾涡虫Phaenocor asinensis sp.nov.。新种的主要鉴别特征是:外轮廓呈长子弹形,后缘呈刀切状;精巢长度占体长的2/3,位于卵黄腺的背部。阴茎表面小刺呈犬牙状,其内折部中段具4个矩形的粗刺。子宫有2个开口,一端连接卵巢,另一端连接生殖腔。卵黄腺呈条形,具短分支,左右卵黄腺无衔接。生活于淡水。标本保存在深圳大学生命科学学院形态学研究室。In this paper,a new species of the family Typhloplanidae is described and figured. Type specimens are deposited in College of Life Sciences,Shenzhen University.Phaenocora sinensis sp. nov. （Figs 1-9）Holotype 1,SZ200903-Ⅰ-1,Wangantai,found on aquatic plant in a reservoir located in Baoan district,Shenzhen,Guangdong Province,China （22° 38＇N,113° 54＇E）in Mar. 2009. Paratypes 3,SZ200903-Ⅰ-2-4,from the same location as holotype. All of the specimens are deposited in the Morphological Research Laboratory of Life Science College,Shenzhen University,Guangdong Province,China.Description. Body length ranges from 1 670 to 1 700 μm,width 410 to 440 μm. Body shape is bullet-shaped,oblate and knife-like posterior part. Pharynx to the front of head is orange and no pigments in body surface,the whole body is transparent. The pharynx is in the 1/4 front of the whole body,no eyes. Hermaphroditism,with a gonopore,is at the middle of the ventral side. A pair of testis locating at the back of vitellarium is long-shaped. Testis extends from the pharynx posterior to the end of body,which is 4/5 length of whole body. The penis is inward folding and has spines on the surface which like canines,4 μm. 4 stout spines are at the internal surface of penis,4-5 μm×4-6 μm.Habitat. The new species was found on aquatic plant in a reservoir located in Baoan district,Shenzhen,Guangdong Province,China. 20 m above sea level,temperature 25 ℃ and pH 6.8. The underwater plants grew in wanton profusion and the reservoir is a closed source of drinking water. Upstream of the sewage flow into reservoir was treated by Sewage treatment plant and wetlands.Etymology. The new species was named as the country of China.Remarks. Compared with all recorded species of genus Phaenocora,the present species characterizes that testis locating at the back of vitellarium which is 4/5 length of whole body. Uterus has two openings,one ending at ovary,the other at genital cavity. Vitellariums are long-shaped with short branches. The surface of the pen

关 键 词：扁形动物门 单肠目 盲扁虫科 背睾涡虫属 新种 

分 类 号：Q959.151.2[生物学—动物学]