Drumian
General info
| Belongs to |
Miaolingian
|
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | global |
| Status | formal standard |
| Age top (Ma) | 500.5 |
| Age base (Ma) | 504.5 |
| Date added | 2014-03-30 |
| Date changed | 2022-11-01 |
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