Irwin River, North Branch (Permian of Australia)

Where: Western Australia, Australia (29.0° S, 115.6° E: paleocoordinates 63.6° S, 98.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Fossil Cliff Formation, Sakmarian (295.5 - 290.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collected by J. White

Primary reference: G. D. Webster and P.A. Jell. 1992. Permian echinoderms from Western Australia. Memoirs of the Queensland Museum 32(1):311-373 [G. Webster/G. Webster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120558: authorized by Matthew Clapham, entered by Matthew Clapham on 17.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Poteriocrinina - Decadocrinidae
Trautscholdicrinus sp. Yakovlev 1939 Sea lily