Where: Nunavut, Canada (75.8° N, 108.6° W: paleocoordinates 39.1° N, 3.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

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

• 20 feet below top of formation.

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

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, glauconitic, gray, green sandstone

Size class: macrofossils

Primary reference: W. W. Nassichuk. 1970. Permian ammonoids from Devon and Melville Islands, Canadian Arctic Archipelago. Journal of Paleontology 44(1):77-97 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90234: authorized by Matthew Clapham, entered by Matthew Clapham on 14.07.2009

Creative Commons license: CC BY (attribution)