Conodonts went extinct at the end of the Triassic Period, about the time dinosaurs were evolving.

牙形刺在三叠纪末期灭绝了，这正是恐龙开始演化的时代。

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Both mammals and dinosaurs appeared near the end of the Triassic period, some 220 million years ago.

哺乳动物与恐龙同时出现于三叠纪末期，即约两亿两千万年前。

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Dinosaurs first appear in the fossil record during the Triassic period, some 230m years ago.

根据化石记载，恐龙最早出现在三叠纪期间，也就是大约2亿3000万年以前。

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Another benefit of this find is that it provides further evidence that dinosaurs evolved in the southern portion of Pangaea, the supercontinent that existed in the Triassic period.

FORBES: Scientists Discover The Earliest Known Dinosaur