185z. Blacksmith Fork Canyon, 14.4 km east of Hyrum (Ordovician of the United States)

Where: Cache County, Utah (41.6° N, 111.7° W: paleocoordinates 7.4° S, 82.2° W)

• outcrop-level geographic resolution

When: St. Charles Formation, Gasconadian (485.4 - 477.7 Ma)

• These are Ordovician aged beds and thus might now be put in a different formation.

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Reposited in the USNM

Primary reference: C. D. Walcott. 1924. Cambrian and Ozarkian Brachiopoda, Ozarkian Cephalopods and Notostraca. Smithsonian Miscellaneous Collections 67:477-554 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157036: authorized by Pete Wagner, entered by Pete Wagner on 04.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ellesmerocerida - Ellesmeroceratidae
"? Endoceras monsensis" = Walcottoceras monsense
"? Endoceras monsensis" = Walcottoceras monsense Walcott 1924
Rostroconchia
 Ribeirioida - Technophoridae
"Ozomia lucan" = Ribeiria lucan
"Ozomia lucan" = Ribeiria lucan Walcott 1924