Map shows how the major continents were arranged 220 million years ago in the Pangea supercontinent. "Isch" and "P" mark locations with sauropodomorph fossils up to 233 million years old.

In the Permian Period that landmass merged with Gondwana to become Pangea, another supercontinent ... On the Ancient Earth map, you can see the full outline of what will be the U.S. inside ...