Gateway to the Paleobiology Database
Sun River (below bonebed) (Cretaceous of the United States)

Where: Teton County, Montana (47.6° N, 112.6° W: paleocoordinates 55.3° N, 78.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Upper Member (Two Medicine Formation), Campanian (84.9 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: "channel"; sandstone

Size class: macrofossils

Collected in 2001

Collection methods: surface (in situ), mechanical,

Primary reference: T. D. Carr, D. J. Varricchio, J. C. Sedlmayr, E. M. Roberts, and J. R. Moore. 2017. A new tyrannosaur with evidence for anagenesis and crocodile-like facial sensory system. Scientific Reports 7:44942:1-11 [M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184945: authorized by Matthew Carrano, entered by Matthew Carrano on 31.03.2017

Creative Commons license: CC BY (attribution)