Two Medicine River (USNM) (Cretaceous of the United States)

Where: Glacier County, Montana (48.7° N, 112.7° W: paleocoordinates 56.3° N, 77.9° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Two Medicine Formation (Montana Group), Campanian (83.6 - 72.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Stebinger in 1912-1913; reposited in the USNM

Primary reference: C. W. Gilmore. 1917. Brachyceratops, a ceratopsian dinosaur from the Two Medicine Formation of Montana, with notes on associated fossil reptiles. United States Geological Survey Professional Paper 103:1-45 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 62539: authorized by Matthew Carrano, entered by Matthew Carrano on 21.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Hadrosauridae
"Stephanosaurus ? marginatus" = Trachodon marginatus
"Stephanosaurus ? marginatus" = Trachodon marginatus Lambe 1902 hadrosaurid
USNM 7703