This animation shows the plate tectonic and paleogeographic evolution of the Earth back to 540 million years. It also shows the major ice ages at : 20,000 years, 300 years, and 445 million years.

This animation should be cited as:
Scotese, C.R., 2016. Plate Tectonics, Paleogeography, and Ice Ages, (Modern World 540Ma), YouTube Animation    • PlateTectonics & Ice Ages  Scotese A...  .