Brontosaurus



Brontosaurus were a fictional species of dinosaur. Apatosaurus were sometimes mistaken for Brontosaurus. (TV: Invasion of the Dinosaurs, Robot)

Jason guarded the Galactic Prison with many fictional species, including Brontosaurus. (PROSE: Head Games)

Behind the Scenes
The scientific community considered Brontosaurus to be a fictional species for over a century, however a 2015 study concluded that Brontosaurus was a real species.