Where: Ringerike, Norway (60.1° N, 10.2° E: paleocoordinates 31.8° S, 10.0° W)

• coordinate estimated from map

When: Arnestad - Frognerkilen Formation, Costonian to Costonian (458.4 - 454.0 Ma)

• "4bα-β", in Spjeldnaes (1957) = Arnestad - Frognerkilen Formation

Environment/lithology: lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: N. Spjeldnaes. 1957. The Middle Ordovician of the Oslo Region, Norway 9. Brachiopods of the family Porambonitidae. Norsk Geologisk Tidsskrift 215-228 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 194705: authorized by Björn Kröger, entered by Björn Kröger on 27.06.2018

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