Also known as Makoshika State Park, Glendive, Dawson County, Montana (Fort Union Group - Tullock Formation)

Where: Dawson County, Montana (47.1° N, 104.7° W: paleocoordinates 53.0° N, 79.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Tullock Member (Fort Union Formation), Puercan (66.0 - 63.3 Ma)

• The Tullock Formation of Glendive, Montana, is stratigraphically equivalent to the lower part of the Ludlow Formation of South Dakota.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: microfossils

Preservation: original sporopollenin

Collection methods: surface (in situ), chemical,

Primary reference: R. K. Jain and J. W. Hall. 1969. A contribution to the Early Tertiary fossil record of the Salviniaceae. American Journal of Botany 56(5):527-539 [R. Lupia/T. Naeher/T. Naeher]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34106: authorized by Rick Lupia, entered by Tiffany Naeher on 18.08.2003

Creative Commons license: CC BY (attribution)