Where: Nunavut, Canada (76.6° N, 109.0° W: paleocoordinates 24.5° N, 9.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Otto Fiord Formation, Arnsbergian (327.0 - 323.7 Ma)

• 100 feet above the base of a sequence of interbedded black shale, black thin-bedded limestone and anhydrite. Chesterian, early Namurian E2.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

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 170653: authorized by Matthew Clapham, entered by Matthew Clapham on 25.06.2015

Creative Commons license: CC BY (attribution)