Nov 7, - The real 'Tyrannosaurus rex may have been even more terrifying than the one in the film.. Tuesday, 7 November. No dinosaur is more cherished than Tyrannosaurus rex. The Cretaceous king of the tyrants epitomises the size, ferocity, and bizarre nature of dinosaurs that continues to enchant us. Behind the scenes. Jurassic World director Colin Trevorrow said that it was this new dinosaur that gave him a reason to tell another Jurassic Park story. In one script of Jurassic World, Indominus was to be a fictional species of dinosaur discovered in China, but Colin disagreed with this idea.