| Era | % Poprawnych |
|---|---|
| jura | 91%
|
| mezozoik | 91%
|
| czwartorzęd | 90%
|
| kreda | 90%
|
| trias | 90%
|
| kenozoik | 89%
|
| kambr | 88%
|
| paleozoik | 88%
|
| dewon | 85%
|
| prekambr | 84%
|
| sylur | 84%
|
| karbon | 83%
|
| ordowik | 82%
|
| neogen | 81%
|
| perm | 81%
|
| archaik | 80%
|
| plejstocen | 80%
|
| holocen | 79%
|
| paleogen | 78%
|
| fanerozoik | 69%
|
| proterozoik | 65%
|
| miocen | 53%
|
| paleocen | 47%
|
| eocen | 46%
|
| oligocen | 46%
|
| pliocen | 46%
|
| górna | 29%
|
| środkowy | 29%
|
| dolna | 28%
|
| dolny | 27%
|
| górny | 27%
|
| neoarchaik | 25%
|
| paleoarchaik | 24%
|
| mezoarchaik | 23%
|
| neoproterozoik | 23%
|
| eoarchaik | 22%
|
| mezoproterozoik | 22%
|
| paleoproterozoik | 22%
|
| dogger | 15%
|
| lias | 15%
|
| malm | 13%
|