High Hanna Hill (Eocene of the United States)

Also known as UW V-91008

Where: Carbon County, Wyoming (41.8° N, 107.0° W: paleocoordinates 46.4° N, 90.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: upper Member (Hanna Formation), Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Reposited in the UW

Primary reference: J. A. Lillegraven. 1994. Age of upper reaches of Hanna Formation, northern Hanna Basin, south-central Wyoming. Berliner geowissenschaftliche Abhandlungen E (Paläobiologie) 13:203-219 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15944: authorized by John Alroy, entered by John Alroy on 12.04.1997

Creative Commons license: CC BY (attribution)

Taxonomic list

• about 3381 m above base of formation
finds are within "several meters" of each other geographically and stratigraphically
Mammalia
 Perissodactyla - Equidae
"Hyracotherium grangeri" = Sifrhippus grangeri
"Hyracotherium grangeri" = Sifrhippus grangeri Gingerich 1989 horse
all isolated teeth
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
"abundant"