Irwin River, Victoria District (Permian of Australia)

Where: Western Australia, Australia (28.9° S, 115.5° E: paleocoordinates 63.6° S, 97.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sakmarian (293.5 - 290.1 Ma)

• "Ferruginous sandstone and conglomerate, resting unconformably on Coal-measures."

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by Harry Woodward; reposited in the BMNH

Primary reference: A. H. Foord. 1890. Notes on the palaeontology of Western Australia, continued. The Geological Magazine, New Series, Decade III 7:145-155 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 131548: authorized by Matthew Clapham, entered by Matthew Clapham on 26.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Stauriida - Plerophyllidae
Plerophyllum sulcatum4 Hinde 1890 horn coral
Plerophyllum australe4 Hinde 1890 horn coral
Gastropoda
 Bellerophontida - Bellerophontidae
""Bellerophon" ? decussatus" = Retispira decussatus
""Bellerophon" ? decussatus" = Retispira decussatus Fleming 1828 snail
Cephalopoda
 Nautilida - Nautilidae
""Discites" sp." = Nautilus (Discites)
""Discites" sp." = Nautilus (Discites)
 Orthocerida - Orthoceratidae
"Orthoceras" sp. Breynius 1832
Bivalvia
 Cardiidia - Sanguinolitidae
"Pachydomus carinatus" = Myonia (Myomedia) carinata Morris 1845 clam
Stenolaemata
 Cryptostomata - Fenestellidae
"Fenestella" sp. Lonsdale 1839
Rhynchonellata
 Spiriferinida - Syringothyrididae
"Pseudosyringothyris dickinsi" = Myodelthyrium dickinsi7
"Pseudosyringothyris dickinsi" = Myodelthyrium dickinsi7 Thomas 1971
 Spiriferida - Elythidae
Spirelytha fredericksi2 Archbold and Thomas 1984
 Spiriferida - Trigonotretidae
"Neospirifer hardmani" = Quadrospira hardmani3
"Neospirifer hardmani" = Quadrospira hardmani3 Foord 1890
Spirifera musakheylensis var. australis
Strophomenata
 Productida - Monticuliferidae
"Cancrinella irwinensis" = Costatumulus irwinensis1
"Cancrinella irwinensis" = Costatumulus irwinensis1 Archbold 1983
 Productida - Linoproductidae
"Globiella foordi" = Cimmeriella foordi1
"Globiella foordi" = Cimmeriella foordi1 Etheridge 1903
 Productida - Aulostegidae
"Productus subquadratus" = Taeniothaerus subquadratus
"Productus subquadratus" = Taeniothaerus subquadratus Morris 1845
 Strophomenida - Rugosochonetidae
"Chonetes pratti" = Neochonetes (Sommeriella) pratti6
"Chonetes pratti" = Neochonetes (Sommeriella) pratti6 Davidson 1859
 Orthotetida - Orthotetidae