Where: Madison County, Montana (45.2° N, 112.0° W: paleocoordinates 45.8° N, 109.2° W)

• coordinate based on political unit

When: "Madison Valley Equivalent" Formation, Barstovian to Barstovian (16.3 - 9.4 Ma)

• "Unfortunately the exact level of occurrence of the beaver and camel material mentioned above is unknown to us."

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: J. A. Dorr, Jr. and W. H. Wheeler. 1964. Cenozoic Paleontology, Stratigraphy, and Reconnaissance Geology of the Upper Ruby River Basin, Southwestern Montana. Contributions from the Museum of Paleontology, University of Michigan 13(12):297-339 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18805: authorized by John Alroy, entered by John Alroy on 26.07.1994

Creative Commons license: CC BY (attribution)