Anisian
General info
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 |
Reference | Content | Year1 | Pages | Remarks |
---|---|---|---|---|
Gradstein et al., 2004 |
2004
| |||
Gradstein et al., 2012 |
2012
| 813 | ||
Ogg et al., 2020 |
2020
| 903-954 |
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