A skull of Hipparion (Proboscidipparion) sinense (Perissodactyla, Equidae) from Longdan, Dongxiang of northwestern China: addition to the Early Pleistocene Longdan mammalian fauna
副标题：
打印A skull of Hipparion (Proboscidipparion) sinense (Perissodactyla, Equidae) from Longdan, Dongxiang of northwestern China: addition to the Early Pleistocene Longdan mammalian fauna