New dinosaur species joins ranks of giant carnivores
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/11/dino_free.png?fit=860%2C460&ssl=1)
An artist's impression of Siats shows the predator terrorizing smaller tyrannosaurs during the Late Cretaceous period.
Julio Lacerda
An artist's impression of Siats shows the predator terrorizing smaller tyrannosaurs during the Late Cretaceous period.
Julio Lacerda