Where: Oslo Asker, Norway (59.9° N, 10.7° E: paleocoordinates 33.8° S, 10.6° W)

• coordinate estimated from map

When: Elnes Formation, Aseri to Aseri (463.5 - 460.9 Ma)

• "Upper Didymograptus shale"

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 163963: authorized by Björn Kröger, entered by Björn Kröger on 21.11.2014

Creative Commons license: CC BY (attribution)