Stratigraphy
Cenomanian
| Belongs to | Upper Cretaceous |
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | global |
| Status | formal standard |
| Author | d`Orbigny |
| Year | 1847 |
| Etymon | Vicinity of the former Roman town of Cenomanum, now called Le Mans, Sarthe region, northern France. |
| Age top (Ma) | 93.9 |
| Age base (Ma) | 100.5 |
| Date changed | 2022-11-04 |
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