类水母化石相关论文
This thesis is resulted from the synthetical studies of the LatePrecambrian strata and megafossils in eastern margin of ......
通过对原划“震旦系兴民村组”的研究,于原划兴民村组周家崴子段底部石英砂岩中发现冰筏坠石和细纹层构造等冰期环境的特征,在该段......