Where: McCone County County, Montana (47.8° N, 106.2° W: paleocoordinates 54.6° N, 78.5° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)

• 40 feet below the Tullock Formation. The stratigraphic level is said to be 'about the same as Bug Creek Anthills'

• formation-level stratigraphic resolution

Environment/lithology: "floodplain"; lithology not reported

Size class: mesofossils

Primary reference: R. E. Sloan and L. Van Valen. 1965. Cretaceous mammals from Montana. Science 148(3667):220-227 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13184: authorized by Emmanuel Fara, entered by Emmanuel Fara on 25.01.2002

Creative Commons license: CC BY (attribution)