BMRP 2001.1 (Cretaceous of the United States)

Where: Carter County, Montana (45.8° N, 104.8° W: paleocoordinates 52.3° N, 78.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected in 2001

Primary reference: T. E. Williamson, T. D. Carr, S. A. Williams and K. Tremaine. 2009. Early ontogeny of pachycephalosaurine squamosals as revealed by juvenile specimens from the Hell Creek Formation, eastern Montana. Journal of Vertebrate Paleontology 29(1):291-294 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88987: authorized by Matthew Carrano, entered by Matthew Carrano on 27.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neornithischia - Pachycephalosauridae
cf. Pachycephalosaurus sp. Brown and Schlaikjer 1943 ornithischian
BMRP 2006.4.306