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 in some exhibitions and museums, including both simple skull montages and complete skeletons. The Naturhistoriska riksmuseet in Stockholm has a mounted complete skeleton of Black Beauty as one of their primary exhibitions called "4 ½ miljarder år", featuring the history of earth and life. Black Beauty has also been displayed in Paleozoological Museum, and a replica of the skull is on display at the Museum of African Culture. It was also part of the traveling exhibit Dinosaur World Tour in the 1990s In 1988, local rancher Kathy Wankel discovered another "Tyrannosaurus rex" in Hell Creek sediments on an island in