Where: Oslo-Asker, Norway (59.8° N, 10.5° E: paleocoordinates 38.2° S, 16.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Apatokephalus serratus trilobite zone, Bjørkasholmen Formation, Varangu (485.4 - 484.5 Ma)
• Originally given as Ceratopyge. Overlies Incipiens Limestone and Alum Shale
• formation-level stratigraphic resolution
Environment/lithology: lithified, glauconitic, gypsiferous limestone
Size class: macrofossils
Collection methods: surface (in situ),
• COLLECTORS: Multiple collectors. REPOSITORY: Paleontological Museum. Oslo, Norway (PMO).
Primary reference: J. F. Bockelie. 1982. The Ordovician of Oslo-Asker. In D. L. Brunton, S. H. Williams (eds.), Field Excursion Guide. IV. International Symposium on the ordovician System 4:106-121 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 185891: authorized by Pete Wagner, entered by Pete Wagner on 23.05.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
Rossodus manitouensis Repetski and Ethington 1983 conodont | |
Rhynchonellata | |
Archaeorthis christianiae Kjerulf 1865 | |
Trilobita | |
Euloma ornatum trilobite | |
Niobe insignis trilobite | |
Ceratopyge forficula trilobite | |
Symphysurus angustatus Sars and Boeck 1838 trilobite |