Where: Lincoln County, Wyoming (41.8° N, 110.5° W: paleocoordinates 47.9° N, 76.6° W)

• coordinate based on nearby landmark

When: Frontier Formation, Late/Upper Cretaceous (100.5 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: deltaic; claystone

Size class: macrofossils

Preservation: mold/impression, adpression, original carbon

Collection methods: For further modifications, see Crabtree, D.R. 1987. Angiosperms of the Northern Rocky Mountains: Albian to Campanian (Cretaceous) Megafossil floras. Ann. Missouri Bot. Gard. 74: 707-747.

Primary reference: E.W. Berry. 1929. The flora of the Frontier Formation. United States Geological Survey Professional Paper 158:129-135 [B. Tiffney/J. Fosdick/J. Fosdick]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 31382: authorized by Bruce Tiffney, entered by Julia Fosdick on 11.05.2003

Creative Commons license: CC BY (attribution)