Hovedøya, 5b (Ordovician of Norway)

Where: Oslo, Norway (59.9° N, 10.7° E: paleocoordinates 29.3° S, 9.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Langøyene Formation, Pirgu (449.5 - 445.6 Ma)

• 5b in Henningsmoen, 1953

Environment/lithology: marine; calcareous sandstone

Size classes: macrofossils, mesofossils

Primary reference: G. Henningsmoen. 1953. Upper Ordovician Ostracods from the Oslo region, Norway. Norsk Geologisk Tidsskrift 33(8):69-108 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190046: authorized by Björn Kröger, entered by Björn Kröger on 27.11.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Beyrichiacea - Tetradellidae
Opikium porkuniensis Henningsmoen 1953 ostracod
 Beyrichiacea - Sigmoopsiidae
Kiesowia dissecta Krause 1892 ostracod
Sigmobolbina sp. Henningsmoen 1953 ostracod
Bolbina tuberculata Henningsmoen 1953 ostracod
Bolbina aff. minor Krause 1892 ostracod
 Beyrichiacea - Eurychilinidae
Opikella umbilicata Kummerow 1924 ostracod
Opikella frequens Steusloff 1894 ostracod
Laccochilina tarda Henningsmoen 1953 ostracod
Primitiella rara Troedsson 1918 ostracod
Platybolbina cf. plana Krause 1889 ostracod
Platybolbina tiara Henningsmoen 1953 ostracod
Platybolbina cf. elongata Krause 1891 ostracod
 Beyrichiacea - Acronotellidae
Monoceratella bos Henningsmoen 1953 ostracod
 Palaeocopida - Drepanellidae
Pseudulrichia norvegica Henningsmoen 1953 ostracod
 Palaeocopida - Bolliidae
Bollia duplex Krause 1892 ostracod
Bollia accentuata Henningsmoen 1953 ostracod
 Palaeocopida - Primitiidae
Primitia osloensis Henningsmoen 1953 ostracod
Chilobolbina cf. jonesiana Schmidt 1941 ostracod