Bluestone Quarry (Paleocene of the United States)

Also known as UCM 78135

Where: Mesa County, Colorado (39.2° N, 108.2° W: paleocoordinates 44.6° N, 90.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: DeBeque Formation, Clarkforkian (56.8 - 55.8 Ma)

• said to be Clarkforkian

Environment/lithology: terrestrial

Primary reference: A. J. Kihm. 1984. Early Eocene Mammalian Fauna of the Piceance Creek Basin. Northwestern Colorado. [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15239: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Theriamorpha - Leptictidae
Prodiacodon sp. Matthew 1929 eutherian
 Primates - Plesiadapidae
Plesiadapis dubius Matthew 1915 primate
 Theriamorpha - Phenacodontidae
Phenacodus cf. vortmani Cope 1880 condylarth
 Procreodi - Arctocyonidae
Chriacus sp. Cope 1883 condylarth
 Condylarthra - Hyopsodontidae
Hyopsodontidae indet. Trouessart 1879 condylarth
compared to Haplomylus
Hyopsodontidae indet. Trouessart 1879 condylarth
small
 Macroscelidea - Apheliscidae
Haplomylus cf. simpsoni Rose 1981 elephant shrew