Norderhov, Sørbakken Fm. (Ordovician of Norway)

Where: Norway (60.1° N, 10.3° E: paleocoordinates 29.1° S, 9.3° W)

• coordinate estimated from map

When: Sørbakken Formation, Cautleyan (449.2 - 448.8 Ma)

• "35-37 m above the base of Sørbakken Fm", Owen (1981)

•"Upper Tretaspis shale", in Owen (1980)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: A. W. Owen. 1981. The Ashgill Trilobites of the Oslo Region, Norway. Palaeontographica Abteilung A 175:1-88 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 163314: authorized by Björn Kröger, entered by Björn Kröger on 23.10.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Remopleurididae
 Trinucleida - Trinucleidae
Tretaspis anderssoni Stormer 1945 trilobite
Tretaspis ceriodes Angelin 1854 trilobite
Tretaspis ceriodes angelini