Tøyen underground station, Oslo, Hagastrand member (Ordovician to of Norway)

Where: Norway (59.9° N, 10.8° E: paleocoordinates 37.1° S, 14.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

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 190982: authorized by Björn Kröger, entered by Björn Kröger on 02.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Metagnostidae
Arthrorhachis sp.
Arthrorhachis sp. Hawle and Corda 1847
Trilobita
 Ptychopariida - Shumardiidae
"Shumardia nericiensis" = Shumardia (Conophrys) nericiensis
"Shumardia nericiensis" = Shumardia (Conophrys) nericiensis Wiman 1905 trilobite
 Asaphida - Nileidae
Symphysurus angustatus
Symphysurus angustatus Sars and Boeck 1838 trilobite
 Asaphida - Cyclopygidae
Pricyclopyge sp.
Pricyclopyge sp. Richter and Richter 1954 trilobite
 Asaphida - Asaphidae
Megistaspis (Paramegistaspis) planilimbata, Megistaspis (Ekeraspis) armata, Megalaspides nericiensis, Niobe (Niobella) bohlini, Niobe (Proxiniobe) longicauda
Megistaspis (Ekeraspis) armata Tjernvik 1956 trilobite
Megalaspides nericiensis Wiman 1905 trilobite
Niobe (Niobella) bohlini Tjernvik 1956 trilobite
Niobe (Proxiniobe) longicauda Hoel 1999 trilobite
 Asaphida - Remopleurididae
Robergiella sp.
Robergiella sp. Whittington 1959 trilobite