Oldest Tyrannosaurus rex relative unveiled

The fossil remains of the oldest Tyrannosaurus rex relative has been uncovered in the Junggar Basin, an area rich in dinosaur fossils, in the far north-west corner of China. The fossil is estimated to be 160 million year-old. The international team under Professor James Clark, a paleontologist at George Washington University, US, has named the dinosaur, which hails from the Late Jurassic period, Guanlong wucaii. Details appear in the latest issue of journal Nature