Little Muddy IV (UM BB-122) (Eocene of the United States)

Where: Uinta County, Wyoming (41.2° N, 110.5° W: paleocoordinates 45.2° N, 96.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

Environment/lithology: terrestrial

Primary reference: W. C. Clyde, J.-P. Zonneveld, J. Stamatakos, G. F. Gunnell, and W. S. Bartels. 1997. Magnetostratigraphy across the Wasatchian-Bridgerian boundary (early to middle Eocene) in the western Green River Basin, Wyoming. Journal of Geology 105:657-669 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 16258: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• see map of Zonneveld et al. 2000, who repeat the list
Mammalia
 Perissodactyla - Brontotheriidae
Palaeosyops fontinalis Cope 1873 brontothere
 Theriamorpha - Viverravidae
Viverravus minutus Wortman 1901 placental
 Creodonta -
? Prolimnocyon sp. Matthew and Granger 1915 creodont
 Primates - Microsyopidae
Microsyops cf. elegans Marsh 1871 primate
Baptemys wyomingensis
  -