Permian
Belongs to | Paleozoic |
Type | chronostratigraphy |
Rank | System |
Scope | global |
Status | formal standard |
Author | Roderick I. Murchison |
Year | 1841 |
Etymon | Ancient kingdom of Permia |
Age top (Ma) | 251.902 |
Age base (Ma) | 298.9 |
Age (Ma) | Paleozoic |
Index | P |
Date changed | 2022-11-04 |
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