The Age of Reptiles.
Preceding the Age of Mammals lies a long vista of geologic periods of which the later ones are marked by the dominance of Reptiles, and are grouped together as the Age of Reptiles or Mesozoic Era.
This was the reign of the Dinosaurs, and in it we are introduced to a world of life so different from that of today that we might well imagine ourselves upon another planet.
None of the ordinary quadrupeds with which we are familiar then existed, nor any related to nor resembling them.
But in their place were reptiles large and small, carnivorous and herbivorous, walking, swimming and even flying.
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