9 miles southwest of Warren Post Office (Cretaceous of the United States)

Also known as Buck Creek, Lance Creek

Where: Niobrara County, Wyoming (43.2° N, 104.6° W: paleocoordinates 49.8° N, 78.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lance Formation, Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by G. F. Sternberg in 1930; reposited in the USNM

Primary reference: C. W. Gilmore. 1931. A new species of troƶdont dinosaur from the Lance Formation of Wyoming. Proceedings of the United States National Museum 79(9):1-6 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52106: authorized by Matthew Carrano, entered by Kaitlin Maguire on 22.07.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neornithischia - Pachycephalosauridae
"Troodon wyomingensis n. sp." = Pachycephalosaurus wyomingensis
"Troodon wyomingensis n. sp." = Pachycephalosaurus wyomingensis Gilmore 1931 ornithischian
USNM 12031