There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 192985 | B. Kröger | Berzini borehole, D II zone, 459.0 - 457.3 m Keila - Ordovician 4 - Latvia - old id | Polma et al. (1977) |
| 207211 | B. Kröger | Ludza 15 borehole, Viluciai Fm., 590 - 600 m Keila - Ordovician 4 - Latvia - old id | Paskevicius (1997) |
| 207213 | B. Kröger | Ludza 15 borehole, Lukstai Fm., 589 - 590 m Oandu - Ordovician 5 - Latvia - old id | Paskevicius (1997) |