| 小鼩鼱(食虫目:鼩鼱科)辽宁省新纪录 |
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| 引用本文： | 孙悦欣.小鼩鼱(食虫目:鼩鼱科)辽宁省新纪录[J].动物学杂志,2010,45(4):171-172. |
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| 作者姓名： | 孙悦欣 |
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| 作者单位： | 辽宁省新宾县疾病预防控制中心,新宾,113200 |
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| 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。
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| 关 键 词： | 食虫目 鼩鼱属 小鼩鼱 新纪录 |
| 收稿时间： | 1/4/2010 12:00:00 AM |
| 修稿时间： | 2010/4/21 0:00:00 |
New Record Sorex minutus Linnaeus,1766 (Insectivora,Soricidae) in Liaoning Province |
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| SUN Yue-Xin.New Record Sorex minutus Linnaeus,1766 (Insectivora,Soricidae) in Liaoning Province[J].Chinese Journal of Zoology,2010,45(4):171-172. |
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| Authors: | SUN Yue-Xin |
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| Institution: | Xinbin County Center for Disease Prevention and Control,Xinbin,Liaoning 113200,China |
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| Abstract: | 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. |
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| Keywords: | Insectivora Sorex Sorex minutus Linnaeus 1766 New record |
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