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.

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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.

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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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