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

Show authors, comments, and common names
Trilobita
 Ptychopariida - Shumardiidae
"Shumardia nericiensis" = Shumardia (Conophrys) nericiensis
"Shumardia nericiensis" = Shumardia (Conophrys) nericiensis Wiman 1905 trilobite
 Asaphida - Remopleurididae
Robergiella sp., Robergiella tjernviki
Robergiella sp. Whittington 1959 trilobite
Robergiella tjernviki Hoel 1999 trilobite
 Asaphida - Asaphidae
Megalaspides nericiensis, Megistaspis (Paramegistaspis) sp., Megistaspis (Paramegistaspis) planilimbata, Gog sp., Niobe (Proxiniobe) longicauda, Promegalaspides (Borogothus) stenorachis
Megalaspides nericiensis Wiman 1905 trilobite
Megistaspis (Paramegistaspis) sp. Balashova 1976 trilobite
Gog sp. Fortey 1975 trilobite
Niobe (Proxiniobe) longicauda Hoel 1999 trilobite