Norderhov, Nakkholmen Fm.: Oandu - Rakvere, Norway

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Trinucleida - Trinucleidae
Broeggerolithus discors Angelin 1854
Owen and Harper 1982
Trilobita - Asaphida - Remopleurididae
Remopleurides perspicax Nikolaisen 1983
see common names

Geography
Country:Norway County:Ringerike
Coordinates: 60.1° North, 10.3° East (view map)
Paleocoordinates:31.5° South, 9.8° West
Basis of coordinate:estimated from map
Time
Period:Ordovician Epoch:Late/Upper Ordovician
Stage:Katian 10 m.y. bin:Ordovician 5
Key time interval:Oandu - Rakvere
Age range of interval:453.00000 - 450.60000 m.y. ago
Stratigraphy
Formation:Nakkholmen
Stratigraphy comments: "Upper Chasmops Shale = Norderhov Fm", in Nikolaisen (1983)
Norderhov Fm. = Nakkholmen Fm. , sensu Owen (1990)
Lithology and environment
Primary lithology: "shale"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:taxonomic analysis
Metadata
Database number:166817
Authorizer:B. Kröger Enterer:B. Kröger
Created:2015-02-27 06:51:44 Last modified:2015-02-27 06:51:44
Access level:the public Released:2015-02-27 06:51:44
Creative Commons license:CC BY
Reference information

Primary reference:

54439. F. Nikolaisen. 1983. The Middle Ordovician of the Oslo Region, Norway, 32. Trilobites of the family Remopleurididae. Norsk Geologisk Tidsskrift 62:231-329 [B. Kröger/B. Kröger]

Secondary references:

101 A. W. Owen and D. A. T. Harper. 1982. The Middle Ordovician of the Oslo Region, Norway, 31. The upper Caradoc trilobites and brachiopods from Vestbraten, Ringerike. Norsk Geologisk Tidsskrift 62:95-120 [A. Miller/P. Novack-Gottshall/A. Clement]