Brownie Butte, Hell Creek (Cretaceous of the United States)

Where: Garfield County, Montana (47.6° N, 107.0° W: paleocoordinates 54.5° N, 79.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: fluvial; lithology not reported

• "meandering fluvial environment"

Size classes: macrofossils, mesofossils

Collected by B. Brown in 1905; reposited in the AMNH

Collection methods: quarrying, mechanical,

Primary reference: R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 57914: authorized by Matthew Carrano, entered by Kaitlin Maguire on 06.01.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Hadrosauridae
"Anatosaurus sp." = Edmontosaurus
"Anatosaurus sp." = Edmontosaurus Lambe 1917 hadrosaurine
AMNH 5879 (inferred to be the same specien referenced in Clemens 89)