Where: Western Australia, Australia (18.4° S, 124.7° E: paleocoordinates 54.9° S, 113.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Noonkanbah Formation, Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Primary reference: E. G. Kauffman and B. Runnegar. 1975. Atomodesma (Bivalvia), and Permian species of the United States. Journal of Paleontology 49(1):23-41 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120491: authorized by Matthew Clapham, entered by Matthew Clapham on 14.11.2011

Creative Commons license: CC BY (attribution)