Cambrian
General info
Belongs to |
Paleozoic
|
Type | chronostratigraphy |
Rank | System |
Scope | global |
Status | formal standard |
Age top (Ma) | 485.4 |
Age base (Ma) | 538.8 |
Index | Є |
Alt. index | Ca, Cm |
Date changed | 2022-11-01 |
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