| Year | % of Species Lost | Event | % Correct |
|---|---|---|---|
| Ongoing | ≥30% of all species | Holocene Extinction | 83%
|
| 252 Mya | 90% to 96% of all species | Permian–Triassic Extinction | 67%
|
| 66 Mya | 75% of all species | Cretaceous–Paleogene Extinction | 58%
|
| 201.3 Mya | 70% to 75% of all species | End-Triassic Extinction | 58%
|
| 372–359 Mya | 70% of all species | Late Devonian Extinction | 50%
|
| 445–444 Mya | 85% of all species | Late Ordovician Extinction | 50%
|