Where: Sheridan County, Wyoming (44.9° N, 107.5° W: paleocoordinates 9.5° S, 66.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Horseshoe Mountain Member (Bighorn Dolomite Formation), Richmondian (449.6 - 445.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified dolomite and lithified, dolomitic limestone

Size class: macrofossils

Primary reference: T.C. Gierlowski and R. L. Langenheim, Jr. 1985. Corals from the Late Ordovician Horseshoe Mountain Member, Bighorn Dolomite, Bighorn Mountains, Sheridan County, Wyoming. Wyoming Geological Association Earth Science Bulletin 18:1-21 [S. Holland/S. Holland]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 65236: authorized by Steven Holland, entered by Steven Holland on 20.09.2006

Creative Commons license: CC BY (attribution)