Big Nose Hill (ROM) (Cretaceous of the United States)

Where: Glacier County, Montana (48.4° N, 112.8° W: paleocoordinates 56.3° N, 86.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Willow Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• 50 ft below top of exposed section

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, blue claystone and gray, red sandstone

• "a large exposure of pale gray, pink, and bluish clays and sandstones"

Size class: macrofossils

Collected by L. Russell in 1967; reposited in the ROM

Collection methods: surface (float), surface (in situ), mechanical,

Primary reference: L. S. Russell. 1968. A dinosaur bone from Willow Creek beds in Montana. Canadian Journal of Earth Sciences 5:327-329 [M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 58807: authorized by Matthew Carrano, entered by Matthew Carrano on 24.02.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Ornithischia - Hypsilophodontidae
Hypsilophodontidae indet.
Hypsilophodontidae indet. hypsilophodontid
ROM 5687; possibly Thescelosaurus but similar to Camptosaurus