Raptorex Raptorex Raptorex is a dubious genus of tyrannosaurid dinosaur. Its fossil remains consist of a single juvenile specimen probably uncovered in Mongolia, or possibly northeastern China. The type species is "R. kriegsteini", described in 2009 by Sereno and colleagues. The genus name is derived from Latin ', "robber", and ', "king". The specific name honours Roman Kriegstein, a survivor of the Holocaust, whose son Henry Kriegstein donated the specimen to the University of Chicago for scientific study. While initially considered to have come from the Yixian Formation of China, dated to approximately 125 million years ago during the early Cretaceous
Tyrannosaurus in popular culture iconic depictions of "Tyrannosaurus" in film was in 1993's "Jurassic Park", where dinosaurs including "T. rex" are brought back to life using blood from fossilized mosquitoes. In the film, the dinosaur breaks free of its theme park enclosure, and proceeds to roam the park after attacking the visitors and killing one (a lawyer). In the film's finale, the "Tyrannosaurus" indirectly saves the main characters by killing the "Velociraptors", who had been hunting them through the visitor center. The popularity of "T. rex" has long had a reciprocal effect on dinosaur science; the popularity of "Jurassic Park" factored into the discovery