| Eon | % Correct |
|---|---|
| Jurassic | 93%
|
| Triassic | 88%
|
| Cretaceous | 79%
|
| Cambrian | 76%
|
| Mesozoic | 65%
|
| Permian | 65%
|
| Devonian | 63%
|
| Silurian | 59%
|
| Carboniferous | 58%
|
| Paleozoic | 58%
|
| Holocene | 57%
|
| Cenozoic | 55%
|
| Ordovician | 55%
|
| Paleogene | 52%
|
| Hadean | 51%
|
| Quaternary | 49%
|
| Neogene | 47%
|
| Pleistocene | 47%
|
| Archean | 43%
|
| Paleocene | 40%
|
| Phanerozoic | 39%
|
| Proterozoic | 38%
|
| Eocene | 37%
|
| Miocene | 37%
|
| Lower/Early | 34%
|
| Upper/Late | 34%
|
| Anthropocene | 33%
|
| Middle | 33%
|
| Pliocene | 32%
|
| Oligocene | 30%
|
| Mississippian | 27%
|
| Neoarchean | 25%
|
| Paleoarchean | 25%
|
| Pennsylvanian | 25%
|
| Mesoarchean | 24%
|
| Neoproterozoic | 24%
|
| Ediacaran | 23%
|
| Mesoproterozoic | 23%
|
| Paleoproterozoic | 23%
|
| Eoarchean | 21%
|
| Cryogenian | 20%
|
| Tonian | 16%
|
| Siderian | 14%
|
| Rhyacian | 12%
|
| Stenian | 12%
|
| Calymmian | 10%
|
| Ectasian | 10%
|
| Orosirian | 10%
|
| Statherian | 10%
|
| Guadalupian | 7%
|
| Llandovery | 7%
|
| Ludlow | 7%
|
| Pridoli | 7%
|
| Terreneuvian | 7%
|
| Wenlock | 7%
|
| Cisuralian | 6%
|
| Furongian | 6%
|
| Lopingian | 6%
|
| Miaolingian | 6%
|
| Series 2 | 6%
|