Where: British Columbia, Canada (56.2° N, 123.5° W: paleocoordinates 4.1° N, 62.9° 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: taxonomic analysis
PaleoDB collection 192177: authorized by Pete Wagner, entered by Pete Wagner on 14.03.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
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Trilobita | |
Harpididae "indet." Whittington 1950 trilobite | |
Bivalvia | |
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Stenolaemata | |
? Parvohallopora sp.1 Singh 1979 | |
Cyphotrypa cf. acervulosa3 Ulrich 1893 | |
Homotrypa sp.1 Ulrich 1882 | |
Inarticulata | |
Rhynchonellata | |
Scaphorthis perplexa3 Cooper 1956 | |
Platystrophia colbiensis3 Foerste 1910 | |
Glyptorthis assimilis3 Cooper 1956 | |
Plaesiomys aff. subquadratus3 Hall 1847
"Plaesiomys meedsi" = Dinorthis meedsi3 Winchell and Schuchert 1892
Dinorthis cf. holdeni3 Willard 1928 | |
Paucicrura rogata3 Sardeson 1892 | |
Strophomenata | |
Oepikina sp.3 Salmon 1942 | |
Strophomena cf. planumbona3 Hall 1847 | |
Eoplectodonta (Eoplectodonta) alternata3 Butts 1942 | |
Conodonta | |
Drepanoistodus sp. Lindstrom 1971 conodont | |
Panderodus gracilis Branson and Mehl 1933 conodont | |
Phragmodus undatus conodont
Pseudooneotodus beckmanni Bischoff and Sannemann 1958 conodont
Aphelognathus cf. floweri conodont |