| Eon | Era | Period | Extent, Million Years ago | % Correct |
|---|---|---|---|---|
| Jurassic | 201.3–145.0 | 100%
| ||
| Triassic | 252.17–201.3 | 96%
| ||
| Mesozoic | Cretaceous | 145.5–66.0 | 92%
| |
| Cambrian | 541.0–485.4 | 79%
| ||
| Devonian | 419.2–358.9 | 75%
| ||
| Paleozoic | Permian | 298.9–252.17 | 71%
| |
| Phanerozoic | Cenozoic | Quaternary (Pleistocene/Holocene) | 2.588–0 | 71%
|
| Carboniferous (Mississippian/Pennsylvanian) | 358.9–298.9 | 67%
| ||
| Ordovician | 485.4–443.4 | 67%
| ||
| Silurian | 443.4–419.2 | 67%
| ||
| Neogene (Miocene/Pliocene) | 23.03–2.588 | 58%
| ||
| Paleogene (Paleocene/Eocene/Oligocene) | 66.0–23.03 | 54%
|