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SPINOSAURUS
(SPINE-oh-saw-rus)
Spinosaurus lived about
110 million years ago. It was a very large meat-eater with powerful jaws
and a fearsome set of teeth. The name Spinosaurus means "Spiny Reptile."
Maybe it got this name because of the huge fin, or sail, on its back.
Spinosaurus was about
40 feet long and weighed up to 7 tons (14,000 pounds). Due to its relatively
light weight, as compared to its size, it probably could have moved very
quickly. It walked on its hind legs and used its front ones to grab its
prey. With its sharp claws, sharp teeth and crocodile-like jaws, not many
rivals could conquer it. The sail on its back stood over 6 feet high,
which is taller than most full size cars. Like other sail dinosaurs, it
probably used the sail to get warmth from the sun or release excess body
heat into the air to control its body temperature.
If Spinosaurus had a
pair of roller blades, that sail on its back would have come in pretty
handy when the wind was blowing.
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