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Norian
The Norian Stage was a portion of the Triassic geological period. It dates from 216.5 ± 2.0 to 203.6 ± 1.5 million years ago. It was preceded by the Carnian Stage and succeeded by the Rhaetian Stage.
Vertebrate fauna
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Invertrebrate Fauna
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Ammonites
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| | ||
|---|---|---|
| Lower/Early Triassic | Middle Triassic | Upper/Late Triassic |
| Induan | Olenekian | Anisian | Ladinian | Carnian | Norian Rhaetian |