There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 174087 | B. Kröger | Nyby bioherm, F1c stage (= Niibi) Pirgu - Ordovician 5 - Estonia | Kaljo (1961) |
| 174289 | B. Kröger | Nyby quarry, F1c stage (= Niibi) Pirgu - Ordovician 5 - Estonia | Nestor (1960) |
| 175133 | B. Kröger | Rannaküla (= Rannaküll) Pirgu - Ordovician 5 - Estonia | Klaamann (1966) |
| 175138 | B. Kröger | Ruunavere, bioherm Pirgu - Ordovician 5 - Estonia | Klaamann (1966) |