Blakstad, 4bα, Arnestad Fm. (Ordovician to of Norway)
Where: Asker, Norway (59.8° N, 10.5° E: paleocoordinates 31.8° S, 9.8° W)
• coordinate estimated from map
When: Arnestad Formation, Haljala to Haljala (456.8 - 453.0 Ma)
• "4bα", 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 194813: authorized by Björn Kröger, entered by Björn Kröger on 30.06.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Strophomenata | |
Christiania holtedahli Spjeldnaes 1957 | |
Oslomena osloensis Spjeldnaes 1957 |