Primitive crocodiles used to run on land like horses
Primitive crocodiles existed 100 million years ago, they are not only good swimmers but also run on land as fast as horses.Spinosaurus - The huge predatory dinosaur on Earth
Scientists have discovered a huge predatory dinosaur that once lived on Earth called Spinosaurus.'Vampire' dinosaurs in Africa
A small dinosaur that lived 200 million years ago possessed fangs like vampires, parrot-like beaks, and hard hair like porcupines.