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Toyen - Galgeberg, Skedsmo, Lillestrøm, Viken, Norway
| Formation | Toyen |
|---|---|
| Member | Galgeberg |
| Age: | 479 - 466 Ma Ordovician |
| Interval | Arenig |
| Lithology | shale |
| Number of Collections | 1 |
| Number of Occurrences | 6 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Trematis-bivalve assemblages | Skedsmo, Lillestrøm, Viken, Norway | Toyen - Galgeberg |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Alum Shale | 182 - 176 Ma Early Jurassic | shale/"limestone", "shale", "limestone"/"shale", grainstone, mudstone, "shale"/lime mudstone, "limestone" | 428 |
| Arnestad | 458 - 450 Ma Late/Upper Ordovician | shale/"limestone", "shale", "limestone"/"shale", "limestone" | 159 |
| Arnestad or Frognerkilen | 453 - 445 Ma Late/Upper Ordovician | lime mudstone/"limestone" | 1 |
| Elnes | 464 - 461 Ma Middle Ordovician | shale/"limestone", "shale", "limestone" | 122 |
| Elnes - Engervik | 464 - 461 Ma Middle Ordovician | shale/"limestone", "limestone", "shale" | 124 |
| Elnes - Hakavik | 466 - 461 Ma Middle Ordovician | sandstone/"shale", "shale"/"limestone", mudstone/grainstone | 25 |
| Elnes - Helskjer | 466 - 458 Ma Middle Ordovician | limestone/"shale", "limestone" | 25 |
| Elnes - Sjostrand | 464 - 461 Ma Middle Ordovician | shale/"limestone" | 16 |
| Frognerkilen | 458 - 452 Ma Late/Upper Ordovician | limestone/"shale", "limestone", "shale"/"limestone" | 74 |
| Hovinsholm | 461 - 456 Ma Ordovician | shale/sandstone | 13 |
| Husbergoya Shale | 456 - 446 Ma Late/Upper Ordovician | shale/siltstone | 32 |
| Langara | 445 - 443 Ma Paleozoic | limestone/"shale", siltstone, "limestone", sandstone | 297 |
| Langoyen | 445 - 443 Ma Paleozoic | sandstone, "limestone", "limestone"/"shale", siltstone | 122 |
| Nakholmen | 456 - 452 Ma Late/Upper Ordovician | lime mudstone/"limestone", "shale"/"limestone", "limestone", "shale" | 93 |
| Solvang | 456 - 446 Ma Late/Upper Ordovician | limestone/"shale", "limestone", "shale" | 216 |
| Solvang - Upper | 452 - 450 Ma Late/Upper Ordovician | limestone | 40 |
| Steinvika Limestone - Bunes | 458 - 452 Ma Late/Upper Ordovician | reef rocks | 24 |
| Toyen - Hagastrand | 479 - 466 Ma Ordovician | shale/"limestone" | 10 |
| Toyen - Slemmestad | 479 - 466 Ma Ordovician | shale | 9 |
| Venstop | 450 - 446 Ma Late/Upper Ordovician | shale/"limestone" | 37 |
| Vollen | 458 - 450 Ma Ordovician | limestone/"shale", "shale"/"limestone", "limestone" | 136 |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Glyptograptus sp.genus | Animalia : Hemichordata : Graptolithina : Bireclinata : Retiolitidae : Glyptograptus | 478.6 - 466 Ma Ordovician |
 Didymograptus sp.genus | Animalia : Hemichordata : Dichograptidae : Didymograptus | 478.6 - 466 Ma Ordovician |
 Dichograptus sp.genus | Animalia : Hemichordata : Graptolithina : Dichograptus | 478.6 - 466 Ma Ordovician |
 Isograptus sp.genus | Animalia : Hemichordata : Graptolithina : Isograptus | 478.6 - 466 Ma Ordovician |
| Phyllograptus sp. genus | Animalia : Hemichordata : Graptolithina : Phyllograptidae : Phyllograptus | 478.6 - 466 Ma Ordovician |
| Tetragraptus sp. genus | Animalia : Hemichordata : Dichograptidae : Tetragraptus | 478.6 - 466 Ma Ordovician |
References
| Erdtmann B. D. (1965) Outline stratigraphy of graptolite-bearing 3B (Lower Ordovician) strata in the Oslo region, Norway, Norsk Geologiske Tidsskrift 45, 481-547 |
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
