Anisian
Belongs to | Middle Triassic |
Type | chronostratigraphy |
Rank | Stage |
Scope | global |
Status | informal standard |
Author | Waagen; Diener |
Year | 1895 |
Etymon | The ALimestone formations near the Enns (= Anisus) River at Grossreifling, Austria |
Age top (Ma) | 242 |
Age base (Ma) | 247.2 |
Date changed | 2022-11-04 |
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