Modern crocodile skull. There were other plants and animals living at the time of the dinosaurs. By looking at their fossils we can build up a picture of what the world was like when the dinosaurs were alive. Early crocodiles and crocodile-like reptiles lived alongside dinosaurs in Wales in the Triassic period, 220 million years ago. This item is held at National Museum Cardiff.

This item is part of the Dinosaur Detectives Teaching Resource for Foundation Phase and Key Stage 2: