中国婴螺属一新种记述(腹足纲,肺螺亚纲,柄眼目,艾纳螺科)  

A NEW SPECIES OF THE GENUS PUPINIDIUS(MOELLENDORFF,1901) FROM CHINA(PULMONATA,STYLOMMATOPHORA,ENIDAE)

作　　者：任宏涛[1] 宋克林[1] 周卫川[2] 

机构地区：[1]天水市果树研究所,甘肃天水741002 [2]福建出入境检验检疫局技术中心,福州350001

出　　处：《动物分类学报》2011年第2期380-382,共3页Acta Zootaxonomica Sinica

基　　金：国家自然科学基金项目(31040072);福建省自然科学基金项目资助(2009J0104)

摘　　要：记述采自甘肃省陆生贝类1新种,天水婴螺Pupinidius tianshuiensis sp.nov.,文中对新种形态特征、栖息环境进行了描述,并与其相似种进行了比较和讨论。In the present paper a new species of land snail is described. The materials were collected by the authors in Tianshui City,Gansu Province,China,July 2010. Type specimens are deposited in the Fujian Entry-Exit Inspection Quaratine Bureau,Fuzhou,China. Pupinidius Moellendorff,1901 is a small group in Enidae and known to be distributed in the Northwest of Sichuan Province and Northwest of China. In the present paper a new species of land snail is described. The materials were collected by the authors in Tianshui City,Gansu Province,China,July 2010. Type specimens are deposited in the Fujian Entry-Exit Inspection Quaratine Bureau,Fuzhou,China. Pupinidius tianshuiensis sp. nov. （Figs 1-5） Holotype. Height 14.0 mm,diameter 6.0 mm,aperture height 3.9 mm,aperture width 3.5 mm,collected from Pingnan Town,Tianshui City （34°06′N,105°07′E ）,Gansu Province,China,14 July 2010. Paratypes. 80 specimens,height 12.0-15.0 mm,diameter 5.0-7.5 mm,aperture height 3.3-4.1 mm,aperture width 2.9-4.0 mm,collected from Pingnan Town,Tianshui City （34°06′N,105°07′E）,Gansu Province,China,14 July 2010. Shell medium,thick,lustrous,subcylindrical. Whorls 612,moderately convex,spire depressed-conical; embryonic whorl 1-2,increased slowly,smooth; body whorl cylindric; penultimate expanding. Shell yellowish or yellow-brown in colour,regularly and weakly striatulate,silky,with chestnut and pallid-yellow stripes on spire. Apex acute. Suture deep. Aperture rounded-oval,apertural margin broadened,sharp,shortly interrupted,outer margin with a callous thickening at the base. Umbilicus small,crevice-formed. Penis cylindrical,epiphallus long,cylindrical,without whip-shaped and blind papilla,penial appendix developed,penial retractor with two,and adhere to epiphallus,penial retractor and appendix retractor retractor fixed on diaphraqgm. Vagina and free oviduct short,spermathecal stalk long,curveed,spermathecal handle short; wall of spermathecal stalk thin,short; end with pocket-shaped and folds. Penis and diverticle spermathecal sta

关 键 词：肺螺亚纲 柄眼目 艾纳螺科 婴螺属 新种 

分 类 号：Q959.212[生物学—动物学]