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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