Meanings of mesozoic reptiles in English

There remain one or two groups of the Mesozoic reptiles which are still represented in nature.

Had any of the great Mesozoic reptiles survived, the warmer age might have enabled them to dispute the sovereignty of the advancing mammals.

The Deinosaurs (or "terrible reptiles"), the monarchs of the land and the swamps, are the central and outstanding family of the Mesozoic reptiles.

Finally, to explain the disappearance of the Mesozoic reptiles without a fall in temperature, it is suggested that they were exterminated by the advancing mammals.

The two animals, however, belong to very different branches of the reptile world, and are by no means the most formidable of the Mesozoic reptiles.