RTMP Quarry 124, Steveville S (BMNH) (Cretaceous of Canada)

Also known as U156

Where: Alberta, Canada (50.7° N, 111.6° W: paleocoordinates 58.1° N, 76.1° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Dinosaur Park Formation (Belly River Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• originally described as coming from "low in the strata of the Oldman Formation"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Sternbergs in 1916; reposited in the BMNH

Collection methods: quarrying,

Primary reference: W. P. Wall and P. M. Galton. 1979. Notes on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America, with comments on their status as ornithopods. Canadian Journal of Earth Sciences 16:1176-1186 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59222: authorized by Matthew Carrano, entered by Matthew Carrano on 21.03.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neornithischia - Pachycephalosauridae
Pachycephalosaurus wyomingensis2 Gilmore 1931 ornithischian
BMNH R8648
 Neornithischia - Ceratopsidae
Styracosaurus albertensis1 Lambe 1913 ceratopsid
BMNH R8648