Stratigraphy
Cambrian Series 2
Belongs to | Cambrian |
Type | chronostratigraphy |
Rank | Series |
Scope | global |
Status | informal standard |
Age top (Ma) | 509 |
Age base (Ma) | 521 |
Age reference | Gradstein et al., 2012 |
Index | Є2 |
Date added | 2014-03-30 |
Date changed | 2022-11-01 |
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