Blakstadtangen, Frognerkilen Fm. (Ordovician to of Norway)

Also known as Blakstad

Where: Asker, Norway (59.8° N, 10.5° E: paleocoordinates 32.1° S, 9.9° W)

• coordinate estimated from map

When: Frognerkilen Formation, Keila to Keila (460.9 - 452.0 Ma)

• "Lower Chasmops limestone", in Sweet (1958)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: W. C. Sweet. 1958. The middle ordovician of the Oslo region, Norway 10. Nautiloid Cephalopods. Norsk Geologisk Tidsskrift 38:1-178 [B. Kröger/B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164157: authorized by Björn Kröger, entered by Björn Kröger on 24.11.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Tarphycerida - Trocholitidae
Discoceras rarospira Eichwald 1860