Jawbone Knob (Cretaceous of the United States)

Also known as Seven Mile Hill, Sevenmile Hill

Where: Teton County, Montana (47.7° N, 112.2° W: paleocoordinates 55.4° N, 78.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Two Medicine Formation, Early/Lower Campanian (83.5 - 70.6 Ma)

• near Old Train Museum, just above underlying crystal tuff dated at 80.0 ± 0.1 Ma

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected in 1998

Collection methods: quarrying, surface (in situ), mechanical,

• Old Trail Museum

Primary reference: F. D. Jackson and D. J. Varricchio. 2010. Fossil eggs and eggshell from the lowermost Two Medicine Formation of western Montana, Sevenmile Hill locality. Journal of Vertebrate Paleontology 30(4):1142-1156 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 102181: authorized by Matthew Carrano, entered by Matthew Carrano on 11.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda -
Tubercuoolithus tetonensis Jackson and Varricchio 2010 theropod
ES 160