江西弯螺属一新种记述(肺螺亚纲,柄眼目,扭轴蜗牛科)  

A New Species of the Genus Sinoennea( Pulmonata,Styommatophora,Streptaxidae)from Jiangxi Province,China

作　　者：姜娇[1] 陈德牛[2] 吴小平[1] 欧阳珊[1] 

机构地区：[1]南昌大学生命科学与食品工程学院,南昌330031 [2]中国科学院动物研究所,北京100101

出　　处：《四川动物》2014年第3期381-383,共3页Sichuan Journal of Zoology

基　　金：国家自然科学基金项目(No.31260515);赣鄱英才"555"工程领军人才培养计划(No.18000041)

摘　　要：整理江西岩溶地貌陆生贝类标本时,经比对鉴定发现一新种,即石钟山弯螺Sinoennea shizhongshanensis sp.nov.,隶属肺螺亚纲柄眼目扭轴蜗牛科弯螺属。对新种形态特征和栖息环境进行了详细描述,用扫描电镜观察了新种齿舌的细微结构,并与其近似种进行了比较和讨论。This paper reports a new species of genus Sinoennea Kobelt in China： Sinoennea shizhongshanensis sp. nov. The morphological characteristics of the new species were described in detail, and radula was observed with scanning electron mieroscope. The new species was compared and discussed with related species. The materials were collected from Shizhongshan scenic spot, Hukou county, Jiangxi province of China in 2013. The type specimens had been deposited in the College of Life Science and Food Engineering, Nanchang University, Nanchang, China, and the Institute of Zoology, Chinese Academy of Sciences, Beijing, China. Sinoennea shizhongshanensis sp. nov. （ Plate, 1 - 5 ） Holotype, ah. 5.50 ram, diam. 2.50 mm; alt. of aperture 1.90 ram, diam. of aperture I. 40 mm; collected from Shizhongs- han scenic spot, Hukou county （29~44. 764＇N, 116~13. 082＇E）, Jiujiang city, Jiangxi province, China, May 20, 2013. Paratypes, 25 specimens, alt. 5.20- 6.00 mm, diam. 2.50- 2.70 mm; ah. of aperture 1.70- 2.00 mm, diam. of aperture 1.40- 1.70 mm. Collected from Shizhongshan scenic spot, Hukou county, Ji@ang city, Jiangxi province, China, May 20, 2013. Shell small, thick, solid, lustrous, smooth, ovate-cylindrical. Apex blunt and short, shells light yellow or yellow-brown- ish in colour, with deep suture. Whorls 8, moderately convex with high spiral part. Top two whorls smooth, following ones with some curve vertically rib-striae. The last whorl is not inflated, it gradually narrowed and lessened near aperture, with 33 rib-striae. Aperture small, heart-shaped. The peristome thick, expanded and reflexed, with 1 big, right bending, flake- form angular lamellae at inner lip, with two nipple-formed teeth in outer lip, connected from shallow to deep which were hard to distinguish. Slightly deep at the bottom of the aperture, there is a big lump-form palatal tooth along the palate with a slender pleat above it. The columellar lip and outer lip are perfectly straight. Umbilicus wide, deep, cavernous. Radula （ Plate, 6- 7�

关 键 词：肺螺亚纲 柄眼目 扭轴蜗牛科 弯螺属 新种 

分 类 号：Q959.212.5[生物学—动物学]