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 Tufts-Love rex was around 15 years old when it died. The skull is thought to be average sized for a T. rex. The specimen was found in late cretaceous deposits and it is estimated to be 66.3 million years old. The Tufts-Love rex is currently undergoing preparation by Michael Holland and his team at the Burke Museum. The skeleton is estimated to be 30% complete, but it includes a nearly complete and mostly articulated skull. Michael Holland describes the skull as minimally distorted and in an "exquisite" state of preservation. Specimens of Tyrannosaurus Tyrannosaurus, one of the most iconic dinosaurs,