Kalvsjø, Kalvsjøen Fm. (Ordovician to of Norway)

Where: Norway (60.3° N, 10.6° E: paleocoordinates 29.7° S, 9.3° W)

• coordinate estimated from map

When: Kalvsjø Formation, Rawtheyan to Rawtheyan (455.8 - 443.4 Ma)

• "Gastropod limestone, 5a", in Strand (1934

Environment/lithology: marine; shale and limestone

• "has been found only on the flanks of a mud bank at Kalvsjø, Hadeland, where it is preserved in a calcareous shale"

Size classes: macrofossils, mesofossils

Primary reference: J. F. Bockelie. 1984. The Diploporita of the Oslo region, Norway. Palaeontology 27(1):1-68 [A. Miller/P. Novack-Gottshall/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 163025: authorized by Björn Kröger, entered by Björn Kröger on 09.10.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Oncocerida - Jovellaniidae
 Rhombifera - Hemicosmitidae
Hemicosmites variabilis1 Bockelie 1979
  - Parasphaeronitiidae
Pachycystis norvegica Bockelie 1984