This is the only battle you're waiting for,Spinosaurus VS Tyrannosaurus! Spinosaurus Facts: Spinosaurus was the largest theropod dinosaur to ever lived.It's name means "Spiny Lizard" because of the spines from it's skeleton,making it a vertabrae dinosaur.It was a ferocious carnivore that lived in North Africa during the Middle Cretaceous Period over 85 million years ago.It appeared to have a sail on it's back,which was actually the spines.It also had sharp claws bigger than that of T-rex. Tyrannosaurus Facts: Tyrannosaurus Rex,also known as T-rex for short was one of the famous dinosaurs.In fact,it featured in a lot of movies,take Jurassic Park for example.It was another ferocious carnivore that lived in North America during the End of the Cretaceous Period over 65 million years ago.It had very small arms that are actually strong,powerful legs for speed and a bite force stronger than that of a lion,making it the king of the dinosaurs.Which is why it means,you guessed it "Tyrant Lizard King".