Silurian
| Belongs to | Paleozoic |
| Type | chronostratigraphy |
| Rank | System |
| Original rank | ladestu |
| Scope | global |
| Status | formal standard |
| Author | Murchison |
| Year | 1839 |
| Etymon | Silures, a Welsh borderland tribe |
| Original locality | Lõuna-Wales |
| Age top (Ma) | 419.2 |
| Age base (Ma) | 443.8 |
| Age (Ma) | Paleozoic |
| Index | S |
| Date changed | 2022-12-28 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Dob's Linn, Scotland | boundary stratotype |
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