There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 166228 | B. Kröger | Læså, Bornholm, Jerrestad Mudstone Fm. Pirgu - Ordovician 5 - Denmark | Ahlberg (1989) |
| 166323 | B. Kröger | Øle Å, stream section at Billegrav gård, Jerrestad Mudstone Fm. Pirgu - Ordovician 5 - Denmark | Ahlberg (1989) |
| 166324 | B. Kröger | Risebæk, Bornholm, Jerrestad Mudstone Fm. Pirgu - Ordovician 5 - Denmark | Ahlberg (1989) |