中国裂唇螺属一新种记述(前鳃亚纲,中腹足目,蛹螺科)  

A NEW SPECIES OF THE GENUS SCHISTOLOMA FROM CHINA (PROSOBRANCHIA,MESOGASTROPODA,PUPINIDAE)

作　　者：周卫川[1] 张卫红[2] 陈德牛[3] 

机构地区：[1]福建出入境检验检疫局,福州350001 [2]新疆大学生命科学与技术学院,乌鲁木齐830046 [3]中国科学院动物研究所,北京100101

出　　处：《动物分类学报》2009年第1期122-124,共3页Acta Zootaxonomica Sinica

基　　金：福建省科技项目(2007I0001);福建省闽港人才合作项目(2007);国家科技基础性工作专项(2006FY111000-02)资助

摘　　要：笔者在整理福建龙岩地区陆生贝类标本时,经比对鉴定发现1新种,龙岩裂唇螺Schistoloma longyanensis sp.nov.。隶属前鳃亚纲、中腹足目、蛹螺科、裂唇螺属。对新种形态特征、栖息环境作了记述,并与近似种进行了比较讨论。A new species of the genus Schistoloma is described in the present paper.The materials were collected in Fujian Province,China in 2008 by the authors.Type specimens are deposited in the Fujian Entry-Exit Inspection ＆ Quaratine Bureau,Fuzhou and the Institute of Zoology,Chinese Academy of Sciences,Beijing,China.Schistoloma longyanensis sp.nov.（Figs.1-8）Holotype,alt.19.50？mm,diam.7.87？mm,diam.of aperture 4.5？mm,collected from Forest Park,Longyan City（25°01＇N,117°00＇E）,Fujian Province,China,11 May 2008.Paratypes 32 specimens,alt.17.6-22.50？mm,diam.7.6-10.8？mm,alt.of aperture 4.20？mm,diam.of aperture 3.90-4.90？mm,collected from Forest Park,Longyan City（25°01＇N,117°00＇E）,Fujian Province,China,11 May,2008.Shell middle,dextral,thick,solid,lustrous,turriculated cone-shaped.Whorls 612,moderately convex with high spiral part.Shells dark yellow-brownish or dark brown in colour,but except the protoconch and third with greyish white in colour.Shell surface with irregular vertically rib-stria.Apex acute,with deep suture.Aperture circular.The peristome thick,expanded and reflexed,outer lip margin and inner wall margin joint without ga.Operculum yellow-brown,semitransparent,circular,thin,the surface without coiled-stria.Alt.of operculum 4.90 mm,diam 5.00 mm.Jaw rhombus-shaped,thin,cutin,the surface with tile-shaped teeth.Radula tape-shaped,with 3-4 central teeth,4-5 lateral teeth,4-5 inner marginal teeth and 3 external marginal teeth.This new species is bigger to Schistoloma pauperculum（Sowerby,1843）,but differs obviously from the later with bigger size：the shell with whorls 612,length 19.50mm,diam.7.87 mm,The protoconch and third with greyish white in colour.Jaw rhombus-shaped,thin,cutin,the surface with tile-shaped teeth,.Radula tape-shaped,with 3-4 central teeth,4-5 lateral teeth,4-5 inner marginal teeth and 3 external marginal teeth.The latter species with length 17.0mm,diam.7.25mm;and penultimate whorl short,The left lip margin slightly curved.

关 键 词：前鳃亚纲 中腹足目 蛹螺科 裂唇螺属 新种 

分 类 号：Q959[生物学—动物学]