Vertebrate Paleontology

Which dinosaur is named the earth-shaker reptile and why?
Answered by Science Channel
  • Science Channel

    Science Channel

  1. The Seismosaurus, or earth-shaker reptile, received its name because of its incredible size. The largest dinosaur in North America, the Seismosaurus reached an estimated height of 120 to 140 feet (36 to 42.5 meters), which is almost half as long as a football field. Unfortunately, a complete skeleton of the Seismosaurus has not yet been discovered, so paleontologists only have the dinosaur's spinal rib region vertebrae, pelvis, sacrum and front half of the tail to use for reconstruction. From these, they've estimated that the Seismosaurus' neck was probably long and slender, and that the creature had a large body, short front legs, long rear legs and a tail that was long and heavy.

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