| Start | Period | % Correct |
|---|---|---|
| 201 | Jurassic | 97%
|
| 252 | Triassic | 81%
|
| 145 | Cretaceous | 68%
|
| 541 | Cambrian | 54%
|
| 0.0117 | Holocene | 42%
|
| 419 | Devonian | 40%
|
| 298 | Permian | 39%
|
| 443 | Silurian | 35%
|
| 358 | Carboniferous | 34%
|
| 485 | Ordovician | 33%
|
| 66 | Paleogene | 32%
|
| 2.58 | Pleistocene | 31%
|
| 2.58 | Quaternary | 29%
|
| 23 | Neogene | 27%
|