Floian
| Belongs to | Lower Ordovician |
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | global |
| Status | formal standard |
| Author | ICS |
| Year | 2004 |
| Etymon | Flo, name of village in Västergötland, southern Sweden |
| Age top (Ma) | 470 |
| Age base (Ma) | 477.7 |
| Date added | 2003-04-02 |
| Date changed | 2022-11-04 |
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