There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 2772 | A. Miller | Fjacka Shale assemblage, Ostergotland, Sweden Actonian/Onnian - Ordovician 4-5 - Sweden | Sheehan (1977) |
| 77102 | P. Novack-Gottshall | Fjacka Shale, Pleurograptus linearis zone (= Black Tretaspis Shale) Caradoc - Ordovician 4-5 - Sweden | Jaanusson (1958) |
| 158143 | B. Kröger | Hulterstad erratic boulders, Hulterstad Formation Vormsi - Ordovician 5 - Sweden | Wright and Jaanusson (1993) |
| 161131 | B. Kröger | Fjäcka, Moldå Fm. Oandu - Ordovician 5 - Sweden | Hints (1975) |