Jaani Stage
| Belongs to | lower Silurian |
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | regional |
| Status | formal standard |
| Author | Luha |
| Year | 1930 |
| Etymon | Jaani church (E) |
| Original locality | Sea shore at Jaani church |
| Age top (Ma) | 427 |
| Age base (Ma) | 428.2 |
| Age (Ma) | Sheinwoodian |
| Age reference | Melchin et al., 2004 |
| Index | J1 |
| Alt. index | S1JN |
| Date changed | 2014-11-28 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Jaani shore | holostratotype | Aaloe, Ago, 1970a | Kas saab lugeda holostratotüübiks? | |||
| Paramaja cliff | lectostratotype | Nestor, H., 1987a |
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