1205-M-upper (Cretaceous of the United States)

Where: Bonneville, Madison, Teton County, Idaho (43.7° N, 111.3° W: paleocoordinates 49.9° N, 76.6° W)

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

Environment/lithology: foreshore; lithified sandstone

Size classes: macrofossils, mesofossils

Primary reference: M. H. Staatz and H. F. Albee. 1966. Geology of the Garns Mountain Quadrangle Bonneville, Madison, and Teton Counties, Idaho. United States Geological Survey Bulletin (1205) [A. Zaffos/E. Ito]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 184622: authorized by Andrew Zaffos, entered by Erika Ito on 14.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
 Cardiida - Donacidae
Protodonax sp. Vokes 1945 clam