The pangaea theory
This History of Life
Hosted by Mark, Sam and Gerald 100 200 400 300 400 Layers of the Earth Rocks and Minerals More Rocks and Minerals Plate Tectonics 300 200 400 200 100.
9.3 Bell Ringer Fossils of a fresh water swimming reptile, Mesosaurus (Figure 2) have been found on the east coast of southern Brazil and the west coast.
