鱼龙是与恐龙同时代的爬行动物，它有鳍和流线型的身体。
Ichthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies.
而更大规模的灭绝发生在25100万年前二叠纪末期，致使世界上70%的陆地脊椎动物(和96%的海洋动物)死亡，同时造就了爬行动物的时代。
A bigger mass extinction, at the end of the Permian period 251m years ago, killed 70% of the world's land vertebrates (and 96% of all Marine animals) and paved the way for the age of reptiles.
在30亿年前的石炭纪时代，大陆被热带雨林覆盖，并由爬行动物所统治。
The new research is focused on the Carboniferous Period, when the supercontinent of Pangea was covered in tropical rainforests ruled by reptiles.
在30亿年前的石炭纪时代，大陆被热带雨林覆盖，并由爬行动物所统治。
The new research is focused on the Carboniferous Period, when the supercontinent of Pangea was covered in tropical rainforests ruled by reptiles.
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