玉门甘肃鸟(Gansusyumenensis)是中国发现的第一只中生代鸟类化石。该化石产自甘肃西北部下沟组,时代与辽宁西部产热河生物群的早......

Known as the “true terrestrial tetrapod,” reptiles mainly live on land. However, some reptile groups made a secondary ......

<正>Introduction Pterosaurs exhibit a large size range with the smallest approximately the size of a sparrow and the lar......

Paper-cut, known as the most common folk art in China, can date back to the Shang and Zhou dynasties when Chinese ancest......