| Eons | % Correct |
|---|---|
| Jurassic | 97%
|
| Cambrian | 94%
|
| Cretaceous | 90%
|
| Triassic | 90%
|
| Devonian | 87%
|
| Permian | 87%
|
| Silurian | 87%
|
| Mesozoic | 84%
|
| Ordovician | 81%
|
| Quaternary | 81%
|
| Paleozoic | 77%
|
| Carboniferous | 74%
|
| Cenozoic | 74%
|
| Holocene | 71%
|
| Paleogene | 71%
|
| Hadean | 68%
|
| Neogene | 68%
|
| Archean | 65%
|
| Phanerozoic | 61%
|
| Paleocene | 52%
|
| Pleistocene | 52%
|
| Miocene | 48%
|
| Proterozoic | 48%
|
| Pliocene | 45%
|
| Eocene | 42%
|
| Oligocene | 32%
|