Where: Western Australia, Australia (24.0° S, 115.0° E: paleocoordinates 58.6° S, 99.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lyons Group, Sakmarian (293.5 - 290.1 Ma)

• Upper Lyons Group, 1750 feet below top

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Primary reference: G. A. Thomas. 1958. The Permian Orthotetacea of Western Australia. Bureau of Mineral Resources, Geology and Geophysics Bulletin 39:1-158 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 83210: authorized by Matthew Clapham, entered by Matthew Clapham on 10.08.2008

Creative Commons license: CC BY (attribution)