Where: Ringerike, Norway (60.0° N, 10.0° E: paleocoordinates 37.1° S, 15.1° W)

• coordinate estimated from map

When: Apatokephalus serratus trilobite zone, Bjørkåsholmen Formation, Lancefieldian (484.3 - 474.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size classes: macrofossils, mesofossils

Primary reference: O. A. Hoel. 1999. Trilobites of the Hagastrand Member (Tøyen Formation, lowermost Arenig) from tbe Oslo Region, Norway, Part Il : Remaining non-asaphid groups. Norsk Geologisk Tidsskrift 79:259-280 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190966: authorized by Björn Kröger, entered by Björn Kröger on 02.01.2018

Creative Commons license: CC BY (attribution)