GSC 67669, Peel River (Permian of Canada)

Where: Yukon, Canada (65.9° N, 136.2° W: paleocoordinates 36.0° N, 23.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Jungle Creek Formation, Sakmarian (293.5 - 290.1 Ma)

• Some 500 feet below a major unconformity separating Permian from Cretaceous rocks, on the west limb of the syncline

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, dolomitic, brown, yellow shale

• Yellow-brown weathering concretions composed of silty micritic limestone and microcrystalline dolomite, occurring as bands in brown to dark gray shales and thin-bedded sandstones

Size class: macrofossils

Primary reference: W. W. Nassichuk. 1971. Permian ammonoids and nautiloids, southeastern Eagle Plain, Yukon Territory. Journal of Paleontology 45:1001-1021 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115745: authorized by Matthew Clapham, entered by Matthew Clapham on 03.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Prolecanitida - Medlicottiidae
Medlicottia "n. sp."
Medlicottia "n. sp." Waagen 1880 ammonite
 Goniatitida - Perrinitidae
"Properrinites furnishi n. sp." = Subperrinites furnishi
"Properrinites furnishi n. sp." = Subperrinites furnishi Nassichuk 1971 ammonite
 Goniatitida - Somoholitidae
Somoholites shikhanensis
Somoholites shikhanensis Ruzhencev 1938 ammonite
 Goniatitida - Neoicoceratidae
Eoasianites aff. trapezoidalis
Eoasianites aff. trapezoidalis Maximova 1948 ammonite
 Goniatitida - Thalassoceratidae
Prothalassoceras bostocki n. sp.
Prothalassoceras bostocki n. sp. Nassichuk 1971 ammonite
 Nautilida - Grypoceratidae
Titanoceras sp.
Titanoceras sp. Hyatt 1884
 Nautilida - Liroceratidae
Liroceras sp.
Liroceras sp. Teichert 1940