Røysetangen, Arnestad Fm., 4bα (Ordovician to of Norway)
Where: Ringerike, Norway (60.1° N, 10.2° E: paleocoordinates 31.8° S, 10.0° W)
• coordinate estimated from map
When: Arnestad Formation, Idavere to Idavere (458.0 - 451.8 Ma)
• "Lower Chasmops shale"
•"4bα", in Spjeldnaes (1957)
Environment/lithology: marine; shale
Size classes: macrofossils, mesofossils
Primary reference: W. C. Sweet. 1958. The middle ordovician of the Oslo region, Norway 10. Nautiloid Cephalopods. Norsk Geologisk Tidsskrift 38:1-178 [B. Kröger/B. Kröger/B. Kröger]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 164036: authorized by Björn Kröger, entered by Björn Kröger on 23.11.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Cephalopoda | |
Beloitoceras stoermeri Sweet 1958 | |
Tripteroceras problematicum Sweet 1958 | |
Strophomenata | |
"Strophomena norvegica" = Longvillia norvegica
"Strophomena norvegica" = Longvillia norvegica Spjeldnaes 1957 |