Also known as Was: Bjorkasholmen (Ceratopyge) Fm., Oslo Region, Norway
Where: Oslo, Norway (59.1° N, 11.2° E: paleocoordinates 38.9° S, 16.7° W)
• local area-level geographic resolution
When: Apatokephalus serratus trilobite zone, Bjorkasholmen Formation, Varangu (485.4 - 484.5 Ma)
• Kiaerograptus supremus graptolite zone. Was listed as Ceratopyge 3a
• member-level stratigraphic resolution
Environment/lithology: offshore shelf; lithified conglomerate
Size class: macrofossils
Primary reference: G. Henningsmoen. 1959. Rare Tremadocian trilobites from Norway. Norsk Geologiske Tidsskrift 39:153-174 [A. Miller/P. Novack-Gottshall/A. Clement]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 3183: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 27.07.1999, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
| |
Artiopoda | |
Geragnostus crassus Tjernvik 1956
"Trinodus mobergi" = Arthrorhachis mobergi Tjernvik 1956 | |
Trilobita | |
Harpides rugosus trilobite | |
Dikelokephalina dicraeura trilobite | |
Apatokephalus serratus Boeck 1838 trilobite | |
Promegalaspides (Borogothus) intactus, Niobe insignis, "Niobella obsoleta" = Niobe (Niobella) obsoleta
Promegalaspides (Borogothus) intactus Moberg and Segerberg 1906 trilobite
Niobe insignis trilobite
"Niobella obsoleta" = Niobe (Niobella) obsoleta Linnarsson 1869 trilobite | |
Tropidopyge broeggeri Moberg and Segerberg 1906 trilobite | |
Symphysurus angustatus Sars and Boeck 1838 trilobite
Varvia longicauda trilobite
Nileus limbatus trilobite | |
"Shumardia pusilla" = Conophrys pusilla
"Shumardia pusilla" = Conophrys pusilla Sars 1835 trilobite | |
Orometopus elatifrons trilobite
Falanaspis aliena Tjernvik 1956 trilobite
Pagometopus gibbus n. gen. n. sp. trilobite | |
Hypermecaspis rugosa, "Triarthrus angelini" = Bienvillia angelini, Saltaspis sp., Parabolinella lata
Hypermecaspis rugosa Brøgger 1882 trilobite
"Triarthrus angelini" = Bienvillia angelini Linnarsson 1869 trilobite
Saltaspis sp. Harrington and Leanza 1952 trilobite
Parabolinella lata Henningsmoen 1957 trilobite | |
Euloma ornatum trilobite | |
Pliomeroides primigenus trilobite
Parapilekia speciosa trilobite |