Fossil Ridge, Irwin River Area (Permian of Australia)

Where: Western Australia, Australia (28.9° S, 115.6° E: paleocoordinates 63.6° S, 98.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Fossil Cliff Member (Holmwood Formation), Sakmarian (295.5 - 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 107345: authorized by Matthew Clapham, entered by Matthew Clapham on 05.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Soleniscidae
Macrochilina winensis n. sp. Dickins 1963 snail
Bivalvia
 Arcida - Parallelodontidae
Parallelodon bimodoliratus Dickins 1963 clam
 Myalinida - Myalinidae
Pseudomyalina sp. Dickins 1956 clam
 Pectinida - Limidae
Palaeolima "sp. nov." Hind 1903 file clam
 Pectinida - Streblochondriidae
Streblopteria sp. McCoy 1851 scallop
 Pectinida - Heteropectinidae
Girtypecten ovalis Dickins 1963 scallop
 Mytilida - Mytilidae
Modiolus koneckii Dickins 1963 mussel
 Pholadomyida - Pholadomyidae
"Palaeocosmomya "sp. nov."" = Cosmomya (Palaeocosmomya)
"Palaeocosmomya "sp. nov."" = Cosmomya (Palaeocosmomya) Fletcher 1946 clam
 Pholadomyida - Edmondiidae
Edmondia prichardi n. sp. Dickins 1963 clam
 Cardiida - Kalenteridae
Stutchburia hoskingae n. sp. Dickins 1963 clam
 Cardiidia - Sanguinolitidae
Myonia "sp. nov." Dana 1847 clam
 Trigoniida - Schizodidae
Schizodus sandimanensis Dickins 1963 clam
 Nuculida - Nuculidae
Nuculopsis darlingensis, "Nuculopsis (Nuculanella) bangarraensis n. sp." = Nuculavus bangarraensis
Nuculopsis darlingensis Dickins 1963 nut clam
"Nuculopsis (Nuculanella) bangarraensis n. sp." = Nuculavus bangarraensis Dickins 1963 nut clam
 Nuculanida - Malletiidae
Anthraconeilo "sp. nov." Girty 1912 clam