论文部分内容阅读
翼龙生活在约2.2亿年前至6500万年前,曾统治着地球的天空.最开始的翼龙有较长的尾巴,而后来的翼龙尾巴较短,在进化链上这两者之间存在很长的化石空白期.中国地质科学院吕俊昌及其合作者研究了发现于中国东北的一批化石.这些化石属于一种新的翼龙化石,研究人员
Pterosaurs lived the Earth’s sky about 220 million years ago to 65 million years ago.The first pterosaurs had longer tails and the later pterosaurs had shorter tails, both in the evolutionary chain There is a long period of fossil blanking.Chinese Academy of Geological Sciences and his collaborators Lu Junchang studied a group of fossils found in northeastern China.These fossils belong to a new pterosaur fossils, researchers