4V. Gordon Creek, 9.6 km from the South Fork of Flathead River (Cambrian of the United States)

Where: Powell County, Montana (47.5° N, 113.4° W: paleocoordinates 5.2° S, 84.2° W)

• coordinate based on nearby landmark

When: Plagiura - Poliella trilobite zone, Gordon Shale Formation, Delamaran (511.2 - 506.5 Ma)

• Not specified but should be Gordon Shale.

• formation-level stratigraphic resolution

Environment/lithology: marine; shale

Size class: macrofossils

Reposited in the USNM

Primary reference: C. D. Walcott. 1912. Cambrian geology and paleontology 2. No. 8: The Sardinian Cambrian genus Olenopsis in America. Smithsonian Miscellaneous Collections 57(8):239-249 [S. Devincenzi/S. Devincenzi/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225273: authorized by Pete Wagner, entered by Pete Wagner on 01.05.2022, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Zacanthoididae
 Corynexochida - Dolichometopidae
Bathyuriscus belesis n. sp. Walcott 1916 trilobite
 Ptychopariida -
"Olenopsis americanus n. sp." = Kochina americana
"Olenopsis americanus n. sp." = Kochina americana Walcott 1912 trilobite
 Ptychopariida - Ptychopariidae
Ptychoparia sp. Corda 1847 trilobite
 Paterinida - Paterinidae
"Micromitra (Iphidella) pannula" = Dictyonina pannula
"Micromitra (Iphidella) pannula" = Dictyonina pannula White 1874
 Lingulida - Obolidae
Obolus (Westonia) ella Hall and Whitfield 1877
 Lingulida - Acrothelidae
 Orthida - Bohemiellidae
Wimanella simplex Walcott 1908