Biostratigraphical data indicate that in the neritic facies areas of South China, the Devonian-Carboniferous boundary (D......

近年来，豫西南一带红层时代的研究，获得了包括恐龙蛋、恐龙与轮藻、介形类、孢粉及同位素年龄等方面的重要材料，为区内划分的晚白垩世......