Fossils of the most primitive primate ever discovered have been unearthed near Yellowstone National Park, a find that scientists say could redraw humans' family tree.
Fossils of the most primitive primate ever discovered have been unearthed near Yellowstone National Park, a find that scientists say could redraw humans' family tree.
讫今最为古老的灵长类动物化石在黄石国家公园附近出土,这将改写人类生命树图谱.