As one of the abundant Carboniferous ptefidosperms, the Neuropterids has once been considered to be the typical element in the Euramerican floras. For a long time, the distribution of plant fossils of this kind in the...As one of the abundant Carboniferous ptefidosperms, the Neuropterids has once been considered to be the typical element in the Euramerican floras. For a long time, the distribution of plant fossils of this kind in the Euramerican strata was mistaken as a criterion to classify and correlate the Neuropterids-bearing beds in the areas other than the Euramerican continent, which resulted in undeserved mistakes. In recent years, it has been proved from a great mass of materials available in China that the first occurrence of such fos-展开更多
文摘As one of the abundant Carboniferous ptefidosperms, the Neuropterids has once been considered to be the typical element in the Euramerican floras. For a long time, the distribution of plant fossils of this kind in the Euramerican strata was mistaken as a criterion to classify and correlate the Neuropterids-bearing beds in the areas other than the Euramerican continent, which resulted in undeserved mistakes. In recent years, it has been proved from a great mass of materials available in China that the first occurrence of such fos-
