Where: Hill County, Montana (48.7° N, 110.1° W: paleocoordinates 55.8° N, 75.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Judith River Formation (Montana Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Preservation: soft parts

Primary reference: A. M. Bailleul, B. K. Hall, and J. R. Horner. 2013. Secondary cartilage revealed in a non-avian dinosaur embryo. PLoS ONE 8(2):e56937:1-5 [M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 140916: authorized by Matthew Carrano, entered by Matthew Carrano on 19.03.2013

Creative Commons license: CC BY (attribution)