Newly discovered dinosaur predated tyrannosaurs — and at the time was a bigger apex predator
A previously unknown species may become another piece in the puzzle of how tyrannosaurs took over and ruled Asia and North America for millennia. The Ulughbegsaurus, a previously unknown apex predator, would have been much larger than a small species of tyrannosaur that existed at the time. (Julius Csotonyi)It’s roughly 90 million years ago, the Cretaceous period, and continents have…