Mount Marmion, near junction of Lennard and Meda Rivers (Permian of Australia)

Where: Western Australia, Australia (17.4° S, 124.4° E: paleocoordinates 53.9° S, 113.5° E)

• coordinate estimated from map

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, calcareous sandstone

Size class: macrofossils

Preservation: mold/impression

Collected by Mr. Froggatt

• Repository: believed to be in Australian Museum but cannot be found (as of 1976). Originally in collection of W. Macleay.

Primary reference: R. Etheridge Jr. 1889. Remarks on fossils of Permo-Carboniferous age, from north-western Australia, in the Macleay Museum. Proceedings of the Linnean Society of New South Wales (Second Series) 4:199-214 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 131600: authorized by Matthew Clapham, entered by Matthew Clapham on 27.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pholadomyida - Megadesmidae
"Pachydomus aff. globosus" = Megadesmus globosus
"Pachydomus aff. globosus" = Megadesmus globosus Sowerby 1838 clam
"Allied to Pachydomus globosus"
Rhynchonellata
 Athyridida - Athyrididae
"Athyris macleayana n. sp." = Cleiothyridina macleayana
"Athyris macleayana n. sp." = Cleiothyridina macleayana Etheridge 1889
 Spiriferida - Trigonotretidae
Neospirifer amplus Archbold and Thomas 1986
 Spiriferida - Spiriferellidae
"Cyrtina australasica n. sp." = Hunzina australasica
"Cyrtina australasica n. sp." = Hunzina australasica Etheridge 1889
Cyrtina carbonaria var. australasica
Strophomenata
 Productida - Productellidae
Stenolaemata
 Cystoporida - Hexagonellidae
"Evactinopora cf. crucialis" = Evactinostella crucialis
"Evactinopora cf. crucialis" = Evactinostella crucialis Hudleston 1883
"With regard to the specific separation of these I have some doubt, ... an example partaking of the characters of that called E. crucialis"
 Trepostomida - Stenoporidae
Stenopora sp. Lonsdale 1844