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

 * Synapsids
 * Aetosaurs
 * Dicynodonts
 * Phytosaurs

Ammonites

 * Acanthinites