Where: Asker, Norway (59.8° N, 10.5° E: paleocoordinates 29.4° S, 9.1° W)

• coordinate estimated from map

When: Skjaerholmen Formation, Pirgu (449.5 - 445.2 Ma)

• "In the Trinucleus shale (4 c), grey shale with

•limestone layers just below the fine-noduled Trinucleus limestone", in Strand (1934)

Environment/lithology: marine; shale

Size classes: macrofossils, mesofossils

Primary reference: T. Strand. 1934. The Upper Ordovician Cephalopods of the Oslo Area. Norsk geologiske Tidsskrift 14:1-117 [B. Kröger/B. Kröger/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164204: authorized by Björn Kröger, entered by Björn Kröger on 26.11.2014

Creative Commons license: CC BY (attribution)