Where: Norway (60.1° N, 10.3° E: paleocoordinates 31.5° S, 9.8° W)

• coordinate estimated from map

When: Nakkholmen Formation, Oandu to Oandu (453.0 - 450.5 Ma)

• "Upper Chasmops Shale = Norderhov Fm", in Nikolaisen (1983)

•Norderhov Fm. = Nakkholmen Fm. , sensu Owen (1990)

Environment/lithology: marine; shale

Size classes: macrofossils, mesofossils

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 166817: authorized by Björn Kröger, entered by Björn Kröger on 27.02.2015

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