Ildjernet, the NW-ern end, 4aα - 4aβ transitional layers (Ordovician to of Norway)
Where: Oslo Asker, Norway (59.8° N, 10.6° E: paleocoordinates 32.6° S, 10.0° W)
• coordinate estimated from map
When: Uhaku to Uhaku (459.7 - 456.8 Ma)
• "from the transitional layers between zone 4aα - 4aβ", in Spjeldnaes (1957)
Environment/lithology: limestone
Size classes: macrofossils, mesofossils
Primary reference: N. Spjeldnaes. 1957. The Middle Ordovician of the Oslo Region, Norway. 8. Brachiopods of the Suborder Strophomenida. Norsk Geologisk Tidsskrift 37(1):1-214 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 194770: authorized by Björn Kröger, entered by Björn Kröger on 29.06.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Trilobita | |
Reedolithus carinatus trilobite | |
| |
Strophomenata | |
Alwynella intermedia Spjeldnaes 1957 |