B5c, West Arm, Beaconsfield (Permian of Australia)

Where: Tasmania, Australia (41.2° S, 146.8° E: paleocoordinates 73.9° S, 172.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: West Arm Formation, Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified siltstone

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: C. M. Reid. 2003. Permian Bryozoa of Tasmania and New South Wales: systematics and their use in Tasmanian biostratigraphy. Association of Australasian Palaeontologists, Memoir 28:1-133 [D. Bottjer/C. Powers]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82133: authorized by Matthew Clapham, entered by Matthew Clapham on 23.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Stenolaemata
 Trepostomida - Stenoporidae
Stenopora ovata Lonsdale 1844
 Trepostomida - Dyscritellidae
 Cryptostomata - Acanthocladiidae
Polypora virga Laseron 1918
 Cryptostomata - Fenestellidae