Winnifred Pass, Section 125, Rocky Mountains (Permian to of Canada)

Where: Alberta, Canada (53.7° N, 119.3° W: paleocoordinates 27.9° N, 29.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ranger Canyon Formation, Wordian to Wordian (268.8 - 259.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, cherty/siliceous siliciclastic sediments

Size class: macrofossils

Primary reference: A. Logan and A. McGugan. 1968. Biostratigraphy and faunas of the Permian Ishbel Group, Canadian Rocky Mountains. Journal of Paleontology 42(5):1123-1139 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 112837: authorized by Matthew Clapham, entered by Matthew Clapham on 17.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Tergomya
 Archinacellida - Metoptomatidae
Lepetopsis sp. Whitfield 1882
Rostroconchia
 Conocardiida - Conocardiidae
"Conocardium" sp. Bronn 1835
Strophomenata
 Productida - Paucispiniferidae
"Liosotella aff. delicatula" = Anemonaria delicatula, ? Liosotella sp.
"Liosotella aff. delicatula" = Anemonaria delicatula Dunbar 1955
? Liosotella sp. Cooper 1953
 Productida - Echinoconchidae
"Echinoconchus inexpectatus" = Calliprotonia inexpectatum
"Echinoconchus inexpectatus" = Calliprotonia inexpectatum Cooper 1957
 Productida - Productellidae
"Costiferina cf. arctica" = Thamnosia arctica, Krotovia sp.
"Costiferina cf. arctica" = Thamnosia arctica Whitfield 1908
Krotovia sp. Fredericks 1928
 Productida - Linoproductidae
 Productida - Strophalosiidae
Sphenalosia smedleyi Muir-Wood and Cooper 1960
Rhynchonellata
 Rhynchonellida - Rhynchoporidae
Rhynchopora sp. King 1865
 Athyridida - Neoretziidae
Hustedia sp. Hall and Clarke 1893
Stenolaemata
 Cryptostomata - Fenestellidae