Where: Norway (61.1° N, 11.8° E: paleocoordinates 28.5° S, 8.6° W)

• coordinate estimated from map

When: Venstøp Formation, Nabala to Nabala (450.5 - 449.5 Ma)

• "Frognøya shale", in Owen (1980)

Environment/lithology: marine; shale

Size classes: macrofossils, mesofossils

Primary reference: A. W. Owen. 1980. The trilobite Tretaspis from the upper Ordovician of the Oslo region, Norway. Palaeontology 23(4):715-747 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164648: authorized by Björn Kröger, entered by Björn Kröger on 09.12.2014

Creative Commons license: CC BY (attribution)