Where: Hadeland, Norway (60.3° N, 10.5° E: paleocoordinates 29.3° S, 9.2° W)

• coordinate estimated from map

When: Lunner Formation, Onnian to Onnian (453.0 - 449.2 Ma)

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 164649: authorized by Björn Kröger, entered by Björn Kröger on 09.12.2014

Creative Commons license: CC BY (attribution)