 |
| |||
| Llanvirnian Age (MichaelBurov); Llanvirn Age (MichaelBurov) | |||
| Llanvirnian (MichaelBurov); Llanvirnian Stage (MichaelBurov); Llanvirnian time (MichaelBurov) | |||
| лланвирнское время: 8 phrases in 2 subjects |
| Geochronology | 7 |
| Geology | 1 |
|
| |||
| Llanvirnian Age (MichaelBurov); Llanvirn Age (MichaelBurov) | |||
| Llanvirnian (MichaelBurov); Llanvirnian Stage (MichaelBurov); Llanvirnian time (MichaelBurov) | |||
| лланвирнское время: 8 phrases in 2 subjects |
| Geochronology | 7 |
| Geology | 1 |