The discovery of two giant dinosaur species solves the mystery of missing apex predators in North America and Asia
The top predator of the Jurassic and Cretaceous landscapes was usually a species of meat-eating dinosaur. These predators walked on two legs, had powerful jaws lined with sharp teeth and included species from groups known as tyrannosaurs, spinosaurs and carcharodontosaurs.Tyrannosaurus rex, the goat...