Tøyen, Oslo, C. similis zone (Ordovician of Norway)

Where: Norway (59.9° N, 10.8° E: paleocoordinates 37.6° S, 15.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ctenopyge similis trilobite zone, Alum Shale Formation, Tremadocian (485.4 - 477.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; shale and limestone

Size classes: macrofossils, mesofossils

Primary reference: M. Høyberget and D. L. Bruton. 2012. Revision of the trilobite genus Sphaerophthalmus and relatives from the Furongian (Cambrian) Alum Shale Formation, Oslo Region, Norway. Norwegian Journal of Geology 92:433-450 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190338: authorized by Björn Kröger, entered by Björn Kröger on 05.12.2017

Creative Commons license: CC BY (attribution)