Maastrichtian
| Belongs to | Upper Cretaceous |
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | global |
| Status | formal standard |
| Author | Dumont |
| Year | 1849 |
| Etymon | Town of Maastricht, southern Netherlands, near the border with Belgium |
| Age top (Ma) | 66 |
| Age base (Ma) | 72.1 |
| Date changed | 2022-11-04 |
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