Upper Cretaceous
Belongs to | Cretaceous |
Type | chronostratigraphy |
Rank | Series |
Scope | global |
Status | formal standard |
Age top (Ma) | 66 |
Age base (Ma) | 100.5 |
Index | K2 |
Date changed | 2022-11-04 |
Browse Geocollections
Belongs to | Cretaceous |
Type | chronostratigraphy |
Rank | Series |
Scope | global |
Status | formal standard |
Age top (Ma) | 66 |
Age base (Ma) | 100.5 |
Index | K2 |
Date changed | 2022-11-04 |