Nedre Ås in Bærum, 5a-b (Ordovician to of Norway)

Where: Oslo-Asker, Norway (59.9° N, 10.5° E: paleocoordinates 28.9° S, 9.1° W)

When: Pirgu to Pirgu (449.5 - 443.7 Ma)

• 5a - 5b in Henningsmoen, 1953

•=Husbergøya and Langøyene Fm.

Environment/lithology: marine; limestone and calcareous sandstone

Size classes: macrofossils, mesofossils

Primary reference: G. Henningsmoen. 1953. Upper Ordovician Ostracods from the Oslo region, Norway. Norsk Geologisk Tidsskrift 33(8):69-108 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190050: authorized by Björn Kröger, entered by Björn Kröger on 27.11.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Beyrichiacea - Tetradellidae
Tetradella plicatula Krause 1892 ostracod
 Beyrichiacea - Sigmoopsiidae
Kiesowia dissecta Krause 1892 ostracod
 Palaeocopida - Primitiidae
Chilobolbina cf. jonesiana Schmidt 1941 ostracod