Where: Treasure County, Montana (46.2° N, 107.4° W: paleocoordinates 53.3° N, 80.6° W)
• small collection-level geographic resolution
When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; concretionary sandstone and concretionary, sandy siltstone
Size class: macrofossils
Preservation: concretion
Collected by W. Stanton in 1908
Primary reference: T. W. Stanton. 1909. The age and stratigraphic relationships of the "Ceratops beds" of Wyoming and Montana. Proceedings of the Washington Academy of Sciences 11(3):239-293 [M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 142492: authorized by Matthew Carrano, entered by Matthew Carrano on 12.04.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Goniobasis sp. Lea snail | |
? Campeloma sp. Rafinesque 1819 snail | |
Bivalvia | |
Sphaerium sp. Scopoli 1777 fingernail clam | |
Reptilia | |
|