Jurassic Period – dinosaurs and ferns
A dinosaur skeleton from the Jurassic period How the Jurassic period began When the Jurassic period began, about 199 million years ago, a lot of animals had just become extinct [...]
A dinosaur skeleton from the Jurassic period How the Jurassic period began When the Jurassic period began, about 199 million years ago, a lot of animals had just become extinct [...]