Oslo, Akersgata, C. linnarssoni zone (Ordovician of Norway)

Where: Østlandet, Norway (59.9° N, 10.7° E: paleocoordinates 37.6° S, 15.2° W)

• coordinate estimated from map

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

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 190322: authorized by Björn Kröger, entered by Björn Kröger on 05.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Olenida - Olenidae
Ctenopyge pecten trilobite
Triangulopyge humilis Phillips 1848 trilobite
Triangulopyge majusculus Linnarsson 1880 trilobite
Sphaerophthalmus alatus Boeck 1838 trilobite