Waltman (Eocene of the United States)
Also known as Keefer Collection U
Where: Natrona County, Wyoming (43.2° N, 107.1° W: paleocoordinates 47.8° N, 90.2° W)
• coordinate based on political unit
When: Lost Cabin Member (Wind River Formation), Wasatchian (55.8 - 50.3 Ma)
Environment/lithology: terrestrial
Primary reference: W. R. Keefer. 1965. Stratigraphy and geologic history of the uppermost Cretaceous, Paleocene, and Lower Eocene rocks in the Wind River Basin, Wyoming. United States Geological Survey Professional Paper 495-A:A1-A77 [J. Alroy/J. Alroy/M. Carrano]more details
PaleoDB collection 16074: authorized by John Alroy, entered by John Alroy on 30.04.1994
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Mammalia | |
cf. Palaeictops sp. Matthew 1899 eutherian
cf. Didelphodus sp. Cope 1882 eutherian | |
Hyopsodus wortmani Osborn 1902 condylarth
Hyopsodus mentalis Cope 1875 condylarth | |
Equidae indet. Gray 1821 horse | |
Lambdotherium popoagicum Cope 1880 brontothere | |
cf. Cantius nunienus Cope 1881 primate | |
Microsyops sp. Leidy 1872 primate |