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The mesozoic land was dominated by dinosaurs .

中生代时期，恐龙统治着陆地。

But the mesozoic , too , began with a mass extinction .

但中生代本身便是以一次大灭绝开始的。

They occupied a position in the mesozoic oceans similar to that of modern squid .

他们生活在中生代的海洋中，跟现代乌贼相似。

It is thus possible that the same was applicable to mesozoic predators as well .

于是中生代的食肉动物也可能是这样。

That these mesozoic marine reptiles , contemporaries of the dinosaurs , got the bends can be seen from their bones .

人们可以从它们的骨骼看出这些与恐龙同存于中生代的海洋爬行动物患有该病。