GSC C16901, Barrow Dome, Melville Island (Carboniferous to 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, Marsdenian to Marsdenian (321.3 - 318.7 Ma)

• Locality occurs in a 15 foot sequence of thin-bedded, shale-like dark gray limestone, which is underlain by about 10 feet of anhydrite and is overlain by 60 feet of light gray shale interbedded with calcareous sandstone. Halian (late Namurian, R2 or G1).

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray 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 170654: authorized by Matthew Clapham, entered by Matthew Clapham on 25.06.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Bisatoceratidae
Bisatoceras hoeni Nassichuk 1975 ammonite
 Goniatitida - Reticuloceratidae
Bilinguites canadensis Nassichuk 1975 ammonite