小鼩鼱(食虫目:鼩鼱科)辽宁省新纪录  

New Record Sorex minutus Linnaeus,1766 (Insectivora,Soricidae) in Liaoning Province

作　　者：孙悦欣 

机构地区：[1]辽宁省新宾县疾病预防控制中心,新宾113200

出　　处：《动物学杂志》2010年第4期171-172,共2页Chinese Journal of Zoology

摘　　要：在整理采自辽宁省新宾县鼩鼱属(Sorex)标本时,发现小鼩鼱(S.inutus Linnaeus,1766)为辽宁省新纪录。主要特征为上颌第二单尖齿小于第一、三单尖齿,第五单尖齿小,约为第四单尖齿的2/3高。下颌门齿向前延伸甚长,其上切缘有3个深缺刻,犬齿小,是下前臼齿2/3高。Two specimens,identified as Sorex minutus Linnaeus and new to Liaoning,were collected from Xinbin County,Liaoning Province,China. The 2nd upper unicuspid smaller than the 1st and 3rd. The 5th unicuspid is small and about 2 /3 high as the 4th unicuspid. The large lower incisor has three crenulations on its cutting edge. The lower canine is small,only about 2 /3 high as the premolar.

关 键 词：食虫目 鼩鼱属 小鼩鼱 新纪录 

分 类 号：Q959[生物学—动物学]