|
Trilobita
- Ptychopariida
- Shumardiidae
|
|
|
|
|
|
|
| see common names |
| Country: | Norway |
State/province: | Oslo-Asker |
| Coordinates: |
59.9° North, 10.8° East (view map) |
| Paleocoordinates: | 19.9° South, 68.4° West (Wright 2013) |
| Basis of coordinate: | estimated from map |
| Period: | Ordovician |
Epoch: | Early Ordovician |
| Stage: | Tremadocian - Floian |
10 m.y. bin: | Ordovician 1 - Ordovician 2 |
| Key time interval: | Tremadocian - Floian |
Trilobite zone: | Megistaspis (Paramegistaspis) planilimbata |
| Age range of interval: | 485.4 - 470 m.y. ago |
| Primary lithology: | argillaceous "limestone" |
| Environment: | carbonate indet. |
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Reason for describing collection: | taxonomic analysis |
| Database number: | 190971 |
| Authorizer: | B. Kröger |
Enterer: | B. Kröger |
| Created: | 2018-01-02 07:12:35 |
Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public |
Released: | 2018-01-02 07:12:34 |
| Creative Commons license: | CC0 |
| 63969. | | O. A. Hoel. 1999. Trilobites of the Hagastrand Member (Tøyen Formation, lowermost Arenig) from tbe Oslo Region, Norway, Part Il : Remaining non-asaphid groups. Norsk Geologisk Tidsskrift 79:259-280 [B. Kröger/B. Kröger] |