Piney River (Miocene of the United States)

Also known as Rickstrew Ranch; USGS D523

Where: Eagle County, Colorado (39.8° N, 106.6° W: paleocoordinates 40.4° N, 103.7° W)

• coordinate based on political unit

When: North Park Formation, Miocene (23.0 - 5.3 Ma)

Environment/lithology: terrestrial

Reposited in the USGS

Primary reference: G. A. Izett. 1975. Late Cenozoic sedimentation and deformation in northern Colorado and adjoining areas. Geological Society of America Memoir 144:179-209 [J. Alroy/J. Alroy]more details

PaleoDB collection 19008: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• locality information based on assumption that "Piney River" North Park Fm. locality of Coombs 1979, which yielded a chalicothere and Brachycrus sp., is the same as Izett's
 Rodentia - Mylagaulidae
Mylagaulidae indet.1 Cope 1881 rodent
 Carnivora - Amphicyonidae
Amphicyon sp.1 Lartet 1836 bear-dog
 Carnivora - Canidae
Paracynarctus kelloggi1 Merriam 1911 bone-crushing dog
 Ungulata - Merycoidodontidae
Brachycrus sp.2 Matthew 1901 oreodont
 Ungulata - Antilocapridae
Antilocapridae indet. Gray 1866 pronghorn