关键词: 鼠兔属, 分类学, 分布区域

Abstract: This paper reported the study on the component species of genus Ochotona and its distribution areas in Xinjiang. The results showed that total of eight species are distributed in Tiansang Mountain, Altai Mountain, Beitashan Mountain, Kunlnn Mountain, Altun Mountain and Kalakunhm Mountain. These species are Ochotona macrotis(Gunther, t875), O. iliensis (Li et Ma, 1986. this is a new species) , O. alpina(Pallas, 1773), O. pallasi(Gray, 1867) , O. ladacensis (Gunther, 1875 ) , O. koslowi (Bueehner, 1894 ), O. rutila (Severtzov, 1873) and O. curzoniae (Hodgson, 1858).In adition, the paper described about key to the species of genus Ochotona in Xinjiang.