Where: Teton County, Montana (47.8° N, 112.2° W: paleocoordinates 55.5° N, 78.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Upper Member (Two Medicine Formation), Late/Upper Campanian (83.5 - 70.6 Ma)
• upper part of formation, approx. 385 m above base
• bed-level stratigraphic resolution
Environment/lithology: crevasse splay; fine-grained, pebbly, intraclastic, argillaceous, calcareous siltstone
Size classes: macrofossils, mesofossils
Collected by P. J. Currie in 1997
Collection methods: quarrying, surface (in situ), mechanical,
• 1400 elements from 100 m2 area
Primary reference: P. J. Currie, D. Trexler, E. B. Koppelhus, K. Wicks, and N. Murphy. 2005. An unusual multi-individual bonebed in the Two Medicine Formation (Late Cretaceous, Campanian) of Montana (USA). In K. Carpenter (ed.), The Carnivorous Dinosaurs. Indiana University Press, Bloomington 313-324 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taphonomic analysis
PaleoDB collection 68045: authorized by Matthew Carrano, entered by Matthew Carrano on 29.12.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Daspletosaurus horneri Carr et al. 2017 tyrannosaurine TA 1997.002; probably same new species as in Horner et al. 1992
| |
Lambeosaurinae indet. Parks 1923 lambeosaurine |