生物年代学相关论文
犬科动物是中国晚新生代地层中的常见动物。中国上新世动物群中最多的是始犬属(Eucyon),早更新世动物群中最多的是犬属(Canis),即......
The Hezheng area of Gansu Province produces the most abundant mammal fossils in China as well as the whole Eurasia, and ......
