The Viséan age is the middle of three ages in the Mississippian subperiod of the Carboniferous Period. It lasted from 345.3±2.1 to 326.5±1.6 million years ago. It was preceded by the Tournasian age and followed by the Serpukhovian age.
The Viséan period is named for the Belgian city of Visé just south of Maastricht, in the northern Ardennes.
| Lower/Early | Middle | Lower/Early | |||
|---|---|---|---|---|---|
| Tournaisian | Viséan | Serpukhovian | Bashkirian | Moscovian | Kasimovian | Gzhelian |
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