GSC C16905, Barrow Dome, Melville Island (Carboniferous of Canada)

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

• Shaly 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
 Goniatitida - Reticuloceratidae
Melvilloceras sabinensis Nassichuk 1975 ammonite
 Goniatitida - Schistoceratidae
Branneroceras branneri Smith 1896 ammonite
Branneroceras nicholasi Nassichuk 1975 ammonite