Also known as Advance Mountain
Where: British Columbia, Canada (56.0° N, 123.3° W: paleocoordinates 4.0° N, 63.0° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Belodina compressa conodont zone, Lower Member (Advance Formation), Turinian (457.3 - 453.8 Ma)
• bed-level stratigraphic resolution
Environment/lithology: slope; lithified, dolomitic, argillaceous limestone and lithified, calcareous shale
Size class: macrofossils
Preservation: replaced with silica
Primary reference: B. S. Norford. 1996. Stratigraphy and biostratigraphy of the Advance Formation, a new upper Middle Ordovician unit, northern Rocky Mountains, British Columbia. Geological Survey of Canada Bulletin 491:5-19 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 192199: authorized by Pete Wagner, entered by Pete Wagner on 15.03.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
| Inarticulata | |
| Conodonta | |
Pseudooneotodus milratus, Pseudooneotodus beckmanni, Phragmodus sp., Phragmodus cf. inflexus, ? Chirognathus sp., Oulodus cf. serratus
Pseudooneotodus milratus conodont
Pseudooneotodus beckmanni Bischoff and Sannemann 1958 conodont
Phragmodus sp. Branson and Mehl 1933 conodont
Phragmodus cf. inflexus conodont
? Chirognathus sp. conodont
Oulodus cf. serratus conodont | |
|
Plectodina cf. dakota conodont | |
|
Staufferella divisa conodont
Protopanderodus sp. Lindström 1971 conodont | |
|
? Paroistodus sp. Lindström 1971 conodont
Drepanoistodus suberectus Branson and Mehl 1933 conodont | |
|
Panderodus gracilis Branson and Mehl 1933 conodont
Belodina compressa Branson and Mehl 1933 conodont | |