There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 191667 | B. Kröger | Ülgase section, Maardu Member Pakerort - Ordovician 1 - Estonia | Puura and Holmer (1993) |
| 191669 | B. Kröger | Saka section, Kallavere Fm. Pakerort - Ordovician 1 - Estonia | Puura and Holmer (1993) |
| 191682 | B. Kröger | Jägala river, Maardu member Pakerort - Ordovician 1 - Estonia | Puura and Holmer (1993) |