Description
"This Fossil Dinosaur Bone is 4 inches long x 5 inches wide and 3 inches thick. It shows details of the cell structure of the bone. Dinosaurs or lived during the Jurassic and Cretaceous Periods of the Mesoozoic era. Some Dinosaurs were carnivorous (meat eaters) and Some were herbivorous (plant eaters). Scientists divide dinosaurs into two groups: Saurischia (reptile hipped) and Ornithischia (bird hipped). Some dinosaurs had feathers. Most paleontologists believe that dinosaurs were the ancestors of todays birds. This bone is from the Jurassic Period.
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