South of Røykenvik, 4bβ - γ zone (Ordovician to of Norway)
Where: Hadeland, Norway (60.4° N, 10.5° E: paleocoordinates 31.5° S, 9.8° W)
• coordinate estimated from map
When: Frognerkilen - Nakholmen Formation, Keila to Keila (460.9 - 452.0 Ma)
• "4bβ - γ"
• formation-level stratigraphic resolution
Environment/lithology: marine; limestone
Size classes: macrofossils, mesofossils
Primary reference: H. Soot-Ryen and T. Soot-Ryen. 1960. The Middle Ordovician of the Oslo region, Norway: 11, Pelecypoda. Norsk Geologisk Tidsskrift 40(2):81-122 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 194661: authorized by Björn Kröger, entered by Björn Kröger on 25.06.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Bivalvia | |
Clionychia undata Emmons 1842 clam | |
Modiolopsis sp. Hall 1847 clam | |
Ctenodonta sp. Salter 1852 clam |