Where: Nunavut, Canada (76.6° N, 109.0° W: paleocoordinates 26.2° N, 8.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Otto Fiord Formation, Westphalian A (318.1 - 314.6 Ma)
• Shaly argillaceous limestone that is underlain by a sequence, about 200 feet thick, of interbedded shale, limestone, and anhydrite. Bloydian (Westphalian A=Kayalian).
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, gray, argillaceous limestone
Size class: macrofossils
Collected by W.W. Nassichuk in 1967; reposited in the GSC
Primary reference: W. W. Nassichuk. 1975. Carboniferous ammonoids and stratigraphy in the Canadian Arctic archipelago. Geological Survey of Canada Bulletin 237:1-240 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 170659: authorized by Matthew Clapham, entered by Matthew Clapham on 25.06.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Melvilloceras sabinensis Nassichuk 1975 ammonite | |
Branneroceras branneri Smith 1896 ammonite
Branneroceras nicholasi Nassichuk 1975 ammonite |