For more than a century the brontosaurus (photo ©Elika & Shannon) was considered a species of the genus Apatosaurus classified as Apatosaurus excelsus. The name brontosaurus kept on being commonly used but in the field of paleontology it was believed to be an Apatosaurus. However, now a group of scientists published the results of a very thorough search on the online magazine “PeerJ” which explains why the brontosaurus make an independent genus.