- You may be looking for Apatosaurus.
In an alternate timeline, Brontosaurus was one of the dinosaurs brought back from extinction by the Silurians, it was mentioned that they were plentiful across France along with Diplodocus and also hunted by predators. (PROSE: Blood Heat)
Behind the scenes
The scientific community considered Brontosaurus to be a fictional species for over a century, but a 2015 study concluded that Brontosaurus was a real species. Before then, all the fossils of it were falsely believed to be simply mistakenly identified Apatosaurus fossils.