- Present Day
- Pleistocene Glacial Maximum 50-18 Ka
- Miocene ca. 10 Ma
- Eocene ca. 40 Ma
- Cretaceous-Paleocene ca. 65 Ma
- Cretaceous (Late) ca. 80 Ma
- Cretaceous (Early) ca. 120 Ma
- Jurassic (Late) ca. 150 Ma
- Jurassic (Early) ca. 180 Ma
- Triassic ca. 220 Ma
- Permian ca. 260 Ma
- Pennsylvanian ca. 300 Ma
- Mississippian ca. 340 Ma
- Devonian ca. 380 Ma
- Silurian ca. 420 Ma
- Ordovician ca. 460 Ma
- Cambrian (Late) ca. 500 Ma
- Cambrian (Early) ca. 540 Ma
- Ediacaran ca. 600 Ma