South of Røykenvik, Cyclocrinus Beds, 4b (Ordovician of Norway)

Where: Hadeland, Norway (60.4° N, 10.5° E: paleocoordinates 31.5° S, 9.8° W)

• coordinate estimated from map

When: Sandbian (458.4 - 453.0 Ma)

• "Cyclocrinus Beds, 4b", in Soot Ryen (1960)

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size classes: macrofossils, mesofossils

Primary reference: H. Soot-Ryen and T. Soot-Ryen. 1960. The Middle Ordovician of the Oslo region, Norway: 11, Pelecypoda. Norsk Geologisk Tidsskrift 40(2):81-122 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 194680: authorized by Björn Kröger, entered by Björn Kröger on 26.06.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Modiomorphida - Modiomorphidae
Modiolopsis sp. Hall 1847 clam