Valanginian
General info
| Belongs to |
Lower Cretaceous
|
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | global |
| Status | informal standard |
| Author | Desor |
| Year | 1854 |
| Etymon | Seyon Gorge near Valangin, Neuchatel, Switzerland. |
| Age top (Ma) | 132.6 |
| Age base (Ma) | 139.8 |
| Date changed | 2022-11-04 |
| Reference | Content | Year1 | Pages | Remarks |
|---|---|---|---|---|
| Gradstein et al., 2004 |
2004
| |||
| Gradstein et al., 2012 |
2012
| |||
| Gale et al., 2020 |
2020
| 1023-1086 |
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