There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 192987 | B. Kröger | Berzini borehole, 453.7 - 440.1 m Rakvere - Ordovician 5 - Latvia | Polma et al. (1977) |
| 192988 | B. Kröger | Berzini borehole, 440.1 - 424.4 m Nabala - Ordovician 5 - Latvia | Polma et al. (1977) |
| 207228 | B. Kröger | Ludza 15 borehole, Taucionys Fm., 457.0 - 467.0 m Pirgu - Ordovician 5 - Latvia | Paskevicius (1997) |