1 mi. below Stapleton's Ranch (Cretaceous to of Canada)

Where: Alberta, Canada (50.9° N, 111.2° W: paleocoordinates 58.1° N, 75.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Oldman Formation (Belly River Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• "resembles the lower part of the Belly River Series"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; yellow sandstone

• "yellow compact sand"

Size class: macrofossils

Collected by B. Brown in 1913; reposited in the AMNH

Collection methods: surface (in situ), mechanical,

Primary reference: B. Brown. 1914. Cretaceous Eocene correlation in New Mexico, Wyoming, Montana, Alberta. Bulletin of the Geological Society of America 25:355-380 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 188846: authorized by Matthew Carrano, entered by Matthew Carrano on 19.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Neornithischia - Ceratopsidae
Monoclonius sp. Cope 1876 ceratopsid
AMNH, "nearly complete skull"