Also known as Bygdö (=Bygdøy, Bygdin)

Where: Oslo-Asker, Norway (61.3° N, 8.8° E: paleocoordinates 31.0° S, 10.8° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Arnestad Formation, Idavere to Idavere (458.0 - 453.0 Ma)

• "lower Chasmops shale"

• group of beds-level stratigraphic resolution

Environment/lithology: marine; shale

Size classes: macrofossils, mesofossils

Primary reference: R. M. Owens. 1970. The middle Ordovician of the Oslo region, Norway 23. The Trilobite Family Proetidae. Norsk Geologisk Tidsskrift 50:309-332 [B. Kröger/B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 162627: authorized by Björn Kröger, entered by Björn Kröger on 30.09.2014

Creative Commons license: CC BY (attribution)