Two miles east of survey station R20, Wooramel River (Permian of Australia)

Where: Western Australia, Australia (25.8° S, 115.7° E: paleocoordinates 60.4° S, 95.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Geological Survey of Western Australia (GSWA)

Primary reference: K. S. W. Campbell. 1965. Australian Permian terebratuloids. Bureau of Mineral Resources Geology and Geophysics Bulletin 68:3-146 [T. Olszewski/L. Fall/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105145: authorized by Matthew Clapham, entered by Matthew Clapham on 16.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Beecheriidae
"Dielasma trigonopsis n. sp." = Hoskingia trigonopsis
"Dielasma trigonopsis n. sp." = Hoskingia trigonopsis Hosking 1933