中国四川北部一沟颈螺新种(柄眼目,艾纳螺总科)描述(英文)  

A NEW SPECIES OF THE GENUS HOLCAUCHEN FROM NORTH SICHUAN,CHINA(STYLOMMATOPHORA,ENOIDEA)

作　　者：吴岷[1] 房耀欣[1] 

机构地区：[1]南京大学生命科学学院,南京210093

出　　处：《动物分类学报》2012年第3期546-549,共4页Acta Zootaxonomica Sinica

基　　金：supported by the National Natural Sciences Foundation of China (31071882,J1103512);the Science and Technology Ministry (2006FY120100)

摘　　要：描述了栖息于甘肃南部的陆生贝类艾纳螺科1新种,南坪沟颈螺Holcauchen nanping sp. nov.。与各已知种相比,南坪沟颈螺的次体螺层最膨大;腭壁板齿及腔壁齿阙如;具1枚强壮轴唇齿;在生殖系统中,鞭状器小,乳突状;成荚器无盲囊;纳精囊管分支盲管缺乏。南坪沟颈螺,新种Holcauchen nanping sp. nov. (图1～4)鉴别特征次体螺层最膨大;无腭壁板齿与腔壁齿;轴唇齿1枚,强壮。鞭状器小乳突状;成荚器无盲囊;纳精囊管分支盲管缺乏。正模,HBUMM06584-specimen 1,具软体部的成体,四川省九寨沟县风成寺,2011-08-14,吴岷、徐沁、Prem B.Buhda采。模式标本保存于河北大学博物馆。词源:新种种名源自九寨沟县旧称"南坪"。A new enid species Holcauchen nanping sp. nov. is described from North Sichuan. The new species is characterized by the most swollen part occurred at penultimate whorl, the absence of parietal or palatal tooth and the presence of one columellar tooth and in genitalia, it has a short knob-like flagellum, but has no epiphallic caecum and no diverficle on bursa copulatrix duct.

关 键 词：艾纳螺总科 艾纳螺科 沟颈螺属 新种 四川 

分 类 号：Q959[生物学—动物学]