Vääna Substage
| Belongs to | Volkhov Stage |
| Type | chronostratigraphy |
| Rank | Substage |
| Scope | regional |
| Status | informal standard |
| Author | Orviku |
| Year | 1958 |
| Age base (Ma) | 470.3 |
| Age (Ma) | Dapingian |
| Age reference | Webby et al., 2004 (eds) |
| Index | BIIβ |
| Date added | 2005-03-29 |
| Date changed | 2012-01-06 |
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