Where: Gallatin County, Montana (45.8° N, 111.6° W)

• Paleocoordinates: 10.2° S, 59.8° W (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Three Forks Shale Formation, Famennian (372.2 - 358.9 Ma)

• 40-45 feet below Lodgepole Limestone, 45-50? feet above base of upper siltstone unit.

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, yellow siltstone

Primary reference: G. D. Robinson. 1963. Geology of the Three Forks Quadrangle, Montana. United States Geological Survey Professional Paper 370:1-143 [J. Alroy/M. Sommers/J. Ju]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7306: authorized by John Alroy, entered by Mike Sommers on 23.05.2000

Creative Commons license: CC0 (CC0)