Cambrian Period Ordovician Period Silurian Period Devonian Period Mississippian Period Pennsylvanian Period Permian Period Triassic Period Jurassic Period Cretaceous Period Paleocene Epoch Eocene Epoch Oligocene Epoch Miocene Epoch Pliocene Epoch Pleistocene Epoch Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X
