Holmwood, Irwin River Area (Permian of Australia)

Where: Western Australia, Australia (28.8° S, 115.5° E: paleocoordinates 63.5° S, 97.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Fossil Cliff Member (Holmwood Formation), Sakmarian (293.5 - 290.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. M. Dickins. 1963. Permian pelecypods and gastropods from western Australia. Bulletin of the Bureau of Mineral Resources, Geology and Geophysics 63:1-203 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107347: authorized by Matthew Clapham, entered by Matthew Clapham on 05.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Gosseletinidae
Bivalvia
 Cardiidia - Sanguinolitidae
 Pholadomyida - Megadesmidae
? Astartila tumida Dickins 1963 clam
 Arcida - Parallelodontidae
Parallelodon bimodoliratus Dickins 1963 clam