page_title: Norian
section_title: Actinopterygians
hierarchical_section_title: Norian / Norian life / Actinopterygians
caption_attribution_description: English: Birgeria , Triassic chondrostean fishEnglish: Birgeria, триасовая хрящекостная рыба
context_page_description: The Norian is a division of the Triassic geological period. It has the rank of an age or stage. The Norian lasted from ~227 to 208.5 million years ago. It was preceded by the Carnian and succeeded by the Rhaetian.
caption: Birgeria
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