ammonites
Duchess Ridge, 0.5 mi W of fence, Fitzroy Basin (Permian to of Australia)

Where: Western Australia, Australia (18.1° S, 124.6° E: paleocoordinates 54.7° S, 111.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Noonkanbah Formation, Artinskian to Artinskian (290.1 - 272.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: J. Crockford. 1944. Bryozoa from the Permian of Western Australia Part I: Cyclostomata and Cryptostomata from the north-west basin and Kimberley district. Proceedings of the Linnean Society of New South Wales 69:139-175 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97273: authorized by Matthew Clapham, entered by Matthew Clapham on 21.07.2010

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)