a-dinosaur-a-day: Ornithomimus(OR-nith-oh-MIME-us) where: Swamps and Forests of North America when: Late Cretaceous Period, about 75 to 65 million years ago who: Named and described by American paleontologist Othniel Charles Marsh what: At 11 feet long
a-dinosaur-a-day: Ornithomimus(OR-nith-oh-MIME-us) where: Swamps and Forests of North America when: Late Cretaceous Period, about 75 to 65 million years ago who: Named and described by American paleontologist Othniel Charles Marsh what: At 11 feet long