辽宁西部翼龙类化石的首次发现
Discovery of a new pterosaur from western liaoning , china
翼龙类蛋化石没有显示硬壳结构，很可能同样为软壳蛋。
The pterosaurian egg doesn ′ t show any structures of the hard shell , indicating that it may be soft-shelled too .
翼龙类