Middle Cambrian (old nomenclature)
Belongs to | Cambrian |
Type | chronostratigraphy |
Rank | Series |
Scope | global |
Status | informal standard |
Age top (Ma) | 510 |
Age base (Ma) | 521 |
Age (Ma) | Cambrian |
Index | Є2 |
Alt. index | Ca2 |
Date changed | 2014-11-28 |
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