Explained: What is the Thanatotheristes, reaper of death?

News: Scientists at the University of Calgary and Royal Tyrrell Museum have found that a dinosaur fossil, found in Alberta in Canada in 2010, belongs to a new species of tyrannosaur


  • The scientists named the genus and species Thanatotheristes degrootorum
  • The fossil is 79 million years old and is the oldest tyrannosaur known from northern North America.