Where: Nunavut, Canada (80.1° N, 80.8° W: paleocoordinates 25.4° N, 0.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Canyon Fiord Formation, Moscovian (315.2 - 307.0 Ma)

• 150 feet above the base of the Canyon Fiord Formation (lower 110 feet consist of conglomerate at this locality). Early Atokan (early Moscovian).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, calcareous siltstone

Size class: macrofossils

Collected by R. Thorsteinsson in 1963; 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 170723: authorized by Matthew Clapham, entered by Matthew Clapham on 26.06.2015

Creative Commons license: CC BY (attribution)