Where: Norway (59.8° N, 10.5° E: paleocoordinates 37.6° S, 15.4° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Apatokephalus serratus trilobite zone, Bjørkasholmen Formation, Tremadocian (485.4 - 477.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lithified limestone

Size classes: macrofossils, mesofossils

Primary reference: O. A. Hoel. 1999. Trilobites of the Hagastrand Member (Tøyen Formation, lowermost Arenig) from the Oslo Region, Norway, Part 1: Asaphidae. Norsk Geologisk Tidsskrift 79:179-204 [P. Wagner/P. Wagner/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190993: authorized by Björn Kröger, entered by Björn Kröger on 02.01.2018

Creative Commons license: CC BY (attribution)