Where: Teton County, Montana (47.8° N, 112.2° W: paleocoordinates 55.3° N, 77.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lower Member (Two Medicine Formation), Campanian (83.6 - 72.1 Ma)
• lower part of formation, but slightly higher in section than main Seven Mile Hill exposures, which are underlain by a crystal tuff dated at 80.0 ± 0.1 Ma
• formation-level stratigraphic resolution
Environment/lithology: pond; burrowed, concretionary, green claystone and concretionary sandstone
Size classes: macrofossils, mesofossils
Preservation: soft parts
Collection methods: quarrying, mechanical,
Primary reference: D. J. Varricchio. 2001. Gut contents from a Cretaceous tyrannosaurid: implications for theropod dinosaur digestive tracts. Journal of Paleontology 75(2):401-406 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 36608: authorized by Matthew Carrano, entered by Matthew Carrano on 06.02.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Physa sp. Draparnaud 1801 snail | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Reptilia | |
| |
| |
Daspletosaurus sp. Russell 1970 tyrannosaurine |