western Carter County (Cretaceous of the United States)

Also known as Blacktail Creek

Where: Carter County, Montana (45.8° N, 105.0° W: paleocoordinates 52.4° N, 78.1° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• upper part of formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by E. Giffin in the 1980s; reposited in the TMP

Primary reference: E. B. Giffin. 1989. Notes on pachycephalosaurs (Ornithischia). Journal of Paleontology 63(4):525-529 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53516: authorized by Matthew Carrano, entered by Matthew Carrano on 11.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Pachycephalosauridae
Sphaerotholus buchholtzae n. sp. Williamson and Carr 2003 ornithischian
RTMP 87.113.3