Question: are brachiosaurus and brontosaurus the same?
Answer: The main difference between Brachiosaurus and Brontosaurus is that the Brachiosaurus is a genus of dinosaur and Brontosaurus is a genus of reptiles (fossil). Brachiosaurus is a genus of sauropod dinosaur that lived in North America during the Late Jurassic, about 154–153 million years ago.