Øvre Øren, Vikersund (Ordovician to of Norway)

Where: Modum, Norway (59.9° N, 10.0° E: paleocoordinates 36.8° S, 14.4° W)

• coordinate estimated from map

When: Megistaspis (Paramegistaspis) planilimbata trilobite zone, Hagastrand Member (Tøyen Formation), Tremadocian to Tremadocian (485.4 - 470.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; limestone and shale

Size classes: macrofossils, mesofossils

Primary reference: O. A. Hoel. 1999. Trilobites of the Hagastrand Member (Tøyen Formation, lowermost Arenig) from tbe Oslo Region, Norway, Part Il : Remaining non-asaphid groups. Norsk Geologisk Tidsskrift 79:259-280 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190923: authorized by Björn Kröger, entered by Björn Kröger on 21.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Shumardiidae
"Shumardia nericiensis" = Shumardia (Conophrys) nericiensis
"Shumardia nericiensis" = Shumardia (Conophrys) nericiensis Wiman 1905 trilobite
 Asaphida - Asaphidae
Megalaspides nericiensis Wiman 1905 trilobite
Megistaspis (Paramegistaspis) sp. Balashova 1976 trilobite
Niobe (Proxiniobe) longicauda Hoel 1999 trilobite
Gog sp. Fortey 1975 trilobite
 Asaphida - Remopleurididae
Robergiella sp. Whittington 1959 trilobite
Robergiella tjernviki Hoel 1999 trilobite