There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 78002 | W. Kiessling | Kehra, Harju Keila - Ordovician 4 - Estonia | Opik (1933) |
| 160501 | B. Kröger | Kohtla-Järve quarry, Viivikonna Fm., Kiviõla Member Kukruse - Ordovician 4 - Estonia | Jaanusson and Bassett (1993) |
| 161316 | B. Kröger | Rägavere Quarry Rakvere - Ordovician 5 - Estonia | Hints (1975) |
| 163472 | B. Kröger | Pakri cliff section, NW of Paldiski, Pakri Sandstone (= Pakri Peninsula) Aluoja - Ordovician 3-4 - Estonia | Bruton (1968) |