As such, " Arkansaurus " may have been a distant relative of the ostrich dinosaur " Ornithomimus " . " Arkansaurus " was probably a fast moving omnivore between tall.
2.
After examining the bones of many kinds of dinosaur the researchers noted that " Allosaurus " had a significantly greater number of bulges on the shafts of its hand and foot bones than the tyrannosaur " Albertosaurus ", or the ostrich dinosaurs " Ornithomimus " and " Archaeornithomimus ".
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