Stratigraphy
Norian
| Belongs to | Upper Triassic |
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | global |
| Status | informal standard |
| Author | Mojsisovics |
| Year | 1869 |
| Etymon | Roman province of Noria, south of the Danube and including the area of Hallstatt, Austria |
| Age top (Ma) | 208.5 |
| Age base (Ma) | 227 |
| Date changed | 2022-11-04 |
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