Rock Springs Uplift (UW V-77007) (Paleocene of the United States)

Where: Sweetwater County, Wyoming (41.7° N, 109.0° W: paleocoordinates 47.7° N, 89.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Fort Union Formation, Tiffanian (61.7 - 56.8 Ma)

Environment/lithology: terrestrial

Reposited in the UW

Primary reference: G. F. Winterfeld. 1982. Mammalian paleontology of the Fort Union Formation (Paleocene), eastern Rock Springs Uplift, Sweetwater County, Wyoming. Contributions to Geology, University of Wyoming 21(1):73-112 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 14981: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• actual meter level is "219 - 226"
Mammalia
 Primates - Plesiadapidae
Plesiadapis cf. churchilli Gingerich 1975 primate
Nannodectes gidleyi Matthew 1917 primate
 Tribosphenida - Phenacodontidae
Phenacodus sp.1 Cope 1873 condylarth
 Macroscelidea - Apheliscidae
Aletodon sp.2 Gingerich 1977 elephant shrew
 Tribosphenida - Arctocyonidae
Arctocyon sp.1 Blainville 1841 condylarth
Thryptacodon orthogonius3 Russell 1929 condylarth
Chriacus baldwini Cope 1882 condylarth