~**SEISMOSAURUS**~
by: Adam G.,
Grade: 3
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SEISMOSAURUS was the longest dinosaur known. But new ones are dug up evreyday, so an even longer one may be found. SEISMOSAURUS lived in the Jurassic period. It was 140-170 feet long. SEISMOSAURUS ate stones to help grind tough plant material that it got. APATOSAURUS was SEISMOSAURUS cousin and ALLOSAURUS was it's predetor. SEISMOSAURUS was a Sauropod(Long-neck). SEISMOSAURUS was the longest dinosaur known.
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