Katian
General info
Belongs to |
Upper Ordovician
|
Type | chronostratigraphy |
Rank | Stage |
Scope | global |
Status | formal standard |
Year | 2003 |
Etymon | Katy Lake, Oklahoma, USA |
Original locality | Black Knob Ridge outcrop |
Age top (Ma) | 445.2 |
Age base (Ma) | 453 |
Date added | 2003-04-02 |
Date changed | 2022-11-04 |
Reference | Content | Year1 | Pages | Remarks |
---|---|---|---|---|
Gradstein et al., 2004 |
2004
| |||
Gradstein et al., 2012 |
2012
| 604-606 | ||
Goldman et al., 2020 |
2020
| 630-694 |
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