Where: Jefferson County, Montana (45.9° N, 112.0° W: paleocoordinates 12.8° S, 46.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, gray, green shale

Size class: macrofossils

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 7149: authorized by John Alroy, entered by Mike Sommers on 02.05.2000

Creative Commons license: CC BY (attribution)