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
Specimens of Tyrannosaurus the dinosaur hall when it reopens in 2019. (The Museum of the Rockies has about a dozen "T. rex" skeletons, and will mount an 80 percent-complete specimen once the "Wankel rex" has been shipped to the Smithsonian.) Museum of the Rockies also houses a large "Tyrannosaurus rex" skull catalogued as MOR 008. The skull bones were found and collected in 1960´s near Billings, Montana and the reconstructed skull was put on display in 2006. The skull is about 1.4 meters long. Susan Hendrickson of the Black Hills Institute discovered the best-preserved "Tyrannosaurus" currently known, in the Hell Creek Formation near