Courthouse Butte (Miocene of the United States)

Also known as Court House Buttes

Where: Weld County, Colorado (40.8° N, 104.2° W: paleocoordinates 41.5° N, 100.4° W)

• coordinate based on political unit

When: Pawnee Creek Formation, Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial

Primary reference: W. D. Matthew. 1902. A horned rodent from the Colorado Miocene ; with, A revision of the Mylagauli, beavers, and hares of the American Tertiary. Bulletin of the American Museum of Natural History 16(22) [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 17893: authorized by John Alroy, entered by John Alroy on 19.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• said by Matthew to be in the "Loup Fork beds," but based on Galbreath 1953 (p. 33, 34, 95) actually in the Pawnee Creek Fm. and possibly a stratigraphic equivalent of Martin Canyon Quarry
Mammalia
 Rodentia - Mylagaulidae
Mesogaulus paniensis1 Matthew 1902 rodent
 Carnivora - Canidae
Tomarctus brevirostris n. sp.2 Cope 1873 bone-crushing dog
of Cope