广西砂螺属一新种(肺螺亚纲:柄眼目:虹蛹螺科)  

A NEW SPECIES OF THE GENUS GASTROCOPTA FROM GUANGXI, CHINA (PULMONATA:STYLOMMATOPHORA:PUPILLIDAE)

作　　者：陈德牛[1] 张国庆[1] 张卫红[2] 

机构地区：[1]中国科学院动物研究所,北京100080 [2]新疆大学生命科学与技术学院,乌鲁木齐830046

出　　处：《动物分类学报》2002年第3期453-455,共3页Acta Zootaxonomica Sinica

基　　金：国家自然科学基金资助项目 (编号 :39970 115 ) ;中国科学院重大项目资助课题

摘　　要：作者于 1999年在广西十万大山地区进行动物资源调查 ,获得一批陆生贝类 ,经鉴定得 1新种 ,即扶隆砂螺Gastrocoptafulongensissp .nov .。对新种进行了详细的描述 ,并与近似种作了比较。The present paper deals with a new species of genus Gastrocopta Wollaston, 1878 from China: Gastrocopta fulongensis sp. nov. The materials were collected by the authors in Zhuang Autonomous Region of Guangxi, China in 1999. Type specimens are deposited in the Institute of Zoology, Chinese Academy of Sciences, Beijing.Gastrocopta fulongensis sp. nov. (Figs.1-2) Holotype alt. 2.50*!mm, diam. 1.07*!mm, alt. of aperture 0.71*!mm, diam. of aperture 0.92*!mm; collected from Fulong Town, Fangcheng County(21°8′N, 107°9′ E), Zhuang Autonomous Region of Guangxi, China, 25 May 1999. Paratypes 245 specimens, alt. 2.25-2.67*!mm, diam. 0.98-1.26*!mm, alt. of aperture 0.61-0.82*!mm, diam. of aperture 0.73-0.98*!mm; collected from Fulong Town, Fangcheng County(21°8′ N, 107°9′E), Zhuang Autonomous Region of Guangxi, China, 25 May 1999. Shell very small, thin, cylindrical, semitransparent and lustrous. Whorls 5-512, moderately convex with high spiral part. Shell yellowish brown in colour, with spire suture and growth line. Apex blunt, suture deeply. Aperture horse-shoe-form. The peristome reflexed, with 1 big lamellate angular lamella, 1 small nipple-form parietal lamella, 1 big columellar lamella and 1 big infrapalatal plica. Umbilicus small. The new species differs from the closely related species Gastrocopta armigerella(Reinhardt, 1877) in the smaller,with 8 lamellae and plicae. The latter with 1 big lamellate angular lamella, 1 small nipple-form parietal lamella, 1 big columellar lamella and 1 big infrapalatal plica. 5-512 whorls.

关 键 词：广西 砂螺属 肺螺亚纲 柄眼目 虹蛹螺科 

分 类 号：Q959.212[生物学—动物学]