Where: Nunavut, Canada (80.0° N, 81.8° W: paleocoordinates 37.5° N, 4.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Assistance Formation, Roadian (272.3 - 268.8 Ma)

• About 350 feet above the base of the formation.

•Assistance Formation is Roadian in age according to Anfinson et al. (2016).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collected by Peter Harker

Primary reference: R. Thorsteinsson. 1974. Carboniferous and Permian stratigraphy of Axel Heiberg and western Ellesmere Island, Canadian Arctic Archipelago. Geological Survey of Canada Bulletin 224:1-115 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120889: authorized by Matthew Clapham, entered by Matthew Clapham on 23.11.2011

Creative Commons license: CC BY (attribution)