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

• coordinate estimated from map

When: Grimsøya Formation, Pusgillian to Pusgillian (449.5 - 448.8 Ma)

• "In the upper part of the Trinucelus shale (4 c), grey

•shale with even beds of grey limestone just below the fine-noduled

•Trinucleus limestone", in Strand (1934)

Environment/lithology: marine; limestone and shale

Size classes: macrofossils, mesofossils

Primary reference: A. W. Owen. 1981. The Ashgill Trilobites of the Oslo Region, Norway. Palaeontographica Abteilung A 175:1-88 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 163351: authorized by Björn Kröger, entered by Björn Kröger on 24.10.2014

Creative Commons license: CC BY (attribution)