a-dinosaur-a-day: Barosaurus(BAH-roe-SORE-us) where: Plains of North America when: Late Jurassic, about 155 to 145 million years ago who: Excavated, named, and described by Othniel Charles Marsh what: The Barosaurus is a large herbivorous sauropod. It
a-dinosaur-a-day: Barosaurus(BAH-roe-SORE-us) where: Plains of North America when: Late Jurassic, about 155 to 145 million years ago who: Excavated, named, and described by Othniel Charles Marsh what: The Barosaurus is a large herbivorous sauropod. It