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 for a "T. rex"; in this case at least thirty years, as opposed to Sue's 28 years old (Sue was the oldest Rex found before Trix's discovery), making Trix the oldest "Tyrannosaurus" known In 2016 Greg Wilson, David DeMar, and a paleontology team from the Burke Museum of Natural History and Culture, the University of Washington, and the Dig Field school excavated the partial remains of a "Tyrannosaurus rex" from Montana. The partial skeleton was found by two Burke Museum volunteers, Jason Love and Luke Tufts, and was named the "Tufts-Love" rex. Paleontologists at the Burke Museum believe that the