The world of reptiles
They Once Ruled the Earth
Millions and millions of years ago the land, sea and sky were ruled by reptiles — pterosaurs, ichthyosaurs, plesiosaurs, and mosasaurs.
One of the largest of all animals was Brontosaurus. It was as long as a line of ten elephants and weighed about 30 tons. It spent his days wading in the water and eating green plants.
Most of the ancient reptiles were plant-eaters. Many had small heads on very long necks, and they walked on four legs.
Tyrannosaurus Rex had a huge head and a thousand teeth. He could kill and eat a Brontosaurus.
Tyrannosaurus Rex means “king of the lizard tyrants.” Brontosaurus means “thunder lizard.” Dinosaur means “terrible lizard”.
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