Cooper Lake (UW V-84020) (Eocene of the United States)

Where: Johnson County, Wyoming (44.0° N, 106.6° W: paleocoordinates 48.5° N, 89.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Wind River Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Reposited in the UW

Primary reference: J. R. Davidson. 1987. Geology and mammalian paleontology of the Wind River Formation, Laramie Basin, southeastern Wyoming. Contributions to Geology, University of Wyoming 25(2):103-132 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 15471: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841 odd-toed ungulate
 Artiodactyla - Diacodexeidae
Diacodexis sp. Cope 1882 even-toed ungulate
 Primates - Microsyopidae
"Haplomylus speirianus" = Microsyops speirianus
"Haplomylus speirianus" = Microsyops speirianus Cope 1880 primate
 Primates - Notharctidae
Cantius cf. mckennai Gingerich and Simons 1977 primate