Washakie (Kinney Rim Member) (Eocene of the United States)

Where: Sweetwater County, Wyoming (41.7° N, 109.0° W: paleocoordinates 45.6° N, 95.1° W)

• coordinate based on political unit

When: Washakie Formation, Bridgerian (50.3 - 46.2 Ma)

• said to be late Bridgerian

• member-level stratigraphic resolution

Environment/lithology: terrestrial

Primary reference: S. M. McCarroll, J. J. Flynn, and W. D. Turnbull. 1996. [J. Alroy/J. Alroy]more details

PaleoDB collection 16502: authorized by John Alroy, entered by John Alroy on 26.07.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• unit spans beds 515 to 568 of Roehler
Mammalia
 Tillodontia -
Tillodontia indet. tillodont
said to be new
 Rodentia - Sciuravidae
Sciuravus nitidus Marsh 1871 rodent
reported as S. cf. nitidus by Turnbull 1972 and Roehler 1973; from Roehler's bed 533
 Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870 condylarth
 Perissodactyla - Brontotheriidae
Mesatirhinus sp. Osborn 1908 brontothere
see McCarroll et al. 1996a: two specimens from bed 527
 Perissodactyla - Hyrachyidae
Hyrachyus modestus Leidy 1870 odd-toed ungulate
new material from Roehler's bed 527
Hyrachyus eximius Leidy 1871 odd-toed ungulate
bed 527: based on McCarroll et al. 1996a, this actually includes specimens reported as H. nr. modestus by Turnbull 1972
 Perissodactyla -
Helaletes nanus Marsh 1871 odd-toed ungulate
 Perissodactyla - Equidae
Orohippus sp. Marsh 1872 horse
 Theriiformes - Herpetotheriidae
Herpetotherium cf. knighti McGrew et al. 1959 marsupial
 Artiodactyla -
Artiodactyla indet. Owen 1848 even-toed ungulate
said to be new
 Sarcobora - Apatemyidae
cf. Apatemys bellus Marsh 1872 insectivoran