Stratigraphy
Visean
| Belongs to | Mississippian |
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | global |
| Status | informal standard |
| Author | André Hubert Dumont |
| Year | 1832 |
| Etymon | city of Visé in the Belgian province of Liège |
| Age top (Ma) | 330.9 |
| Age base (Ma) | 346.7 |
| Date added | 2003-04-03 |
| Date changed | 2022-11-04 |
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