Discovery of micromammalian fauna of Sichuan-Guizhou Area in Lantian, Shaanxi

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The study of the Xishuidong micromammalian fauna, found from Lantian, Shaanxi Province, indicates that both the northern slope of the Qinling Mountains and Sichuan_Guizhou area must belong to the same Oriental Realm in middle_late Middle Pleistocene. The age of the Xishuidong fauna should be later than that of the Gongwangling fauna, and even a little later than that of the Zhongjiawo fauna in age. The fauna is related not only to that of layers 9 and 8 of Peking Man Locality in northern China, but also to the micromammals from Hexian Man Locality in southern China. The study of the Xishuidong micromammalian fauna, found from Lantian, Shaanxi Province, indicates that both both northern slope of the Qinling Mountains and Sichuan_Guizhou area must belong to the same Oriental Realm in middle_late Middle Pleistocene. The age of the Xishuidong fauna should be later than that of the Gongwangling fauna, and even a little later than that of the Zhongjiawo fauna in age. The fauna is related not only to that of layers 9 and 8 of Peking Man Locality in northern China, but also to the micromammals from Hexian Man Locality in southern China.
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YONG-ENCAI(蔡永恩)ProtbssoroftheDepartmentofGeophysics,PekingUniversity.Graduatedfromtherein1974.ReceivedhisMSdegreeintheDepartmentofGeology,PekingUniversityin1
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