Where: Cascade County, Montana (47.1° N, 110.8° W)

• Paleocoordinates: 13.9° S, 54.3° W (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Palmatolepis expansa conodont zone, unit E Member (Sappington Formation), Late/Upper Famennian (364.7 - 360.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, oncoidal, silty, sandy limestone

Size classes: macrofossils, mesofossils

Preservation: replaced with silica

Primary reference: J. Rodriguez and R. C. Gutschick. 1967. Brachiopods from the Sappinton Formation (Devonian - Mississippian) of western Montana. Journal of Paleontology 41(2):364-384 [J. Alroy/M. Sommers/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 7118: authorized by John Alroy, entered by Mike Sommers on 02.05.2000

Creative Commons license: CC0 (CC0)