Grasshoppers appeared. But perhaps the biggest changes came with the evolution of dinosaurs and the first mammals in the late Triassic, starting around 230 million years ago. The Triassic closed ...
The Triassic period stands out in Earth ... that the powerful pseudosuchians died back and the dinosaurs really took over, evolving into huge animals like the stegosaurus and the long-necked ...
The associated changes in the climate and vegetation affected how dinosaurs evolved. All continents during the Triassic Period were part of a single land mass called Pangaea. This meant that ...