Where: Ringerike, Norway (60.0° N, 10.0° E: paleocoordinates 34.5° S, 11.6° W)

• coordinate estimated from map

When: 4aα zone, Bønsnes Formation, Kunda to Kunda (469.2 - 464.3 Ma)

• "Ogygiocaris series (4aα)", in Henningsmoen 1960

Environment/lithology: shale and limestone

Size classes: macrofossils, mesofossils

Primary reference: G. Henningsmoen. 1960. The Middle Ordovician of the Oslo Region, Norway 13. Trilobites of the Family Asaphidae. Norsk Geologisk Tidsskrift 40:203-257 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 193303: authorized by Björn Kröger, entered by Björn Kröger on 10.05.2018

Creative Commons license: CC BY (attribution)