Bartonian
General info
| Belongs to |
Eocene
|
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | global |
| Status | informal standard |
| Author | Karl Mayer-Eymar |
| Year | 1858 |
| Etymon | Barton-on-Sea, village in southern England |
| Age top (Ma) | 37.71 |
| Age base (Ma) | 41.2 |
| Date changed | 2022-11-04 |
| Reference | Content | Year1 | Pages | Remarks |
|---|---|---|---|---|
| Gradstein et al., 2004 |
2004
| |||
| Gradstein et al., 2012 |
2012
| 1013 | ||
| Speijer et al., 2020 |
2020
| 1087-1140 |
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