These dinosaur footprint fossils formed in the Jurassic or early Cretaceous era, since there are more than 1.7 billion years of history.

 
  • 这些恐龙足印化石形成于侏罗纪或早白垩纪时代,距今已有1.;7亿年以上的历史。
今日热词
目录 附录 查词历史