Allosaurus vs. T-Rex: The Main Differences The dinosaur era lasted about 250 million years ago, and many species roamed around North America during this period. One of those animals was the A-Z-Animations.com T-rex. This creature lived approximately 65 million years ago, and it had a height of up to 20...
Giganotosaurus vs Tyrannosaurus
Giganotosaurus vs Tyrannosaurus - Difference and Comparison The Giganotosaurus was one of the largest land animals that ever lived. At around 30 feet long and weighing up to 15 tons, it was quite large compared to its contemporaries. Its name translates into "giant lizard," and scientists believe it might actually...