Frognøya, Solvang Fm. (Ordovician to of Norway)

Where: Ringerike, Norway (60.0° N, 10.2° E: paleocoordinates 31.0° S, 9.7° W)

• coordinate estimated from map

When: Solvang Formation, Rakvere to Rakvere (451.8 - 449.9 Ma)

• "Upper Chasmops limestone"

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 162221: authorized by Björn Kröger, entered by Björn Kröger on 21.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Cheiruridae
Pseudosphaerexochus densigranulatus1 Nikolaisen 1965 trilobite
Pseudosphaerexochus (Pseudosphaerexochus) densigranulatus
  - Ityophoridae
Frognaspis stoermeri1 Nikolaisen 1965 trilobite
 Harpetida - Harpetidae
Paraharpes ottawaensis1 Billings 1865 trilobite
Paraharpes ottawaensis similis
 Corynexochida - Styginidae
Stygina minor2 Skjeseth 1955 trilobite
Cephalopoda
 Oncocerida - Diestoceratidae
Diestoceras sp. Foerste 1924
 Orthocerida - Proteoceratidae