MP-177 (Eocene of the United States)

Where: Wyoming (44.5° N, 108.6° W: paleocoordinates 49.3° N, 91.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)

• Wa-5

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified siliciclastic sediments

Size classes: macrofossils, mesofossils

Reposited in the UMMP

Collection methods: surface (float), surface (in situ),

Primary reference: W. C. Clyde. 1997. Stratigraphy and mammalian paleontology of the McCullough Peaks, northern Bighorn Basin, Wyoming: Implications for biochronology, basin development, and community reorganization across the Paleocene-Eocene boundary. PhD Thesis, University of Michigan [W. Clyde/W. Clyde/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 46751: authorized by Will Clyde, entered by Will Clyde on 24.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841 odd-toed ungulate
 Artiodactyla - Diacodexeidae
Diacodexis sp. Cope 1882 even-toed ungulate
Bunophorus etsagicus Cope 1882 even-toed ungulate
 Theriamorpha - Viverravidae
Didymictis sp. Cope 1875 placental
 Condylarthra - Hyopsodontidae
Hyopsodus simplex Loomis 1905 condylarth
 Macroscelidea - Apheliscidae
? Haplomylus scottianus Gingerich 1994 elephant shrew