Lower Devonian
Belongs to | Devonian |
Type | chronostratigraphy |
Rank | Series |
Scope | global |
Status | formal standard |
Age top (Ma) | 393.3 |
Age base (Ma) | 419.2 |
Age (Ma) | Devonian |
Index | D1 |
Alt. index | D1 |
Date changed | 2022-11-04 |
Browse Geocollections
Belongs to | Devonian |
Type | chronostratigraphy |
Rank | Series |
Scope | global |
Status | formal standard |
Age top (Ma) | 393.3 |
Age base (Ma) | 419.2 |
Age (Ma) | Devonian |
Index | D1 |
Alt. index | D1 |
Date changed | 2022-11-04 |