Where: Western Australia, Australia (24.9° S, 115.6° E: paleocoordinates 59.7° S, 99.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Callytharra Formation, Sakmarian (293.5 - 290.1 Ma)

• 17-20.5 m above base of Callytharra Fm.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Primary reference: N. W. Archbold and G. A. Thomas. 1986. Neospirifer and Trigonotreta (Spiriferida, Brachiopoda) from the Permian of Western Australia. Alcheringa 10:125-161 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101228: authorized by Matthew Clapham, entered by Matthew Clapham on 18.12.2010

Creative Commons license: CC BY (attribution)