SC-148 (Eocene of the United States)

Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 49.2° N, 91.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

Environment/lithology: terrestrial

Reposited in the UMMP

Primary reference: D. W. Krause. 1982. Multituberculates from the Wasatchian Land-Mammal Age, Early Eocene, of Western North America. Journal of Paleontology 56(2):271-294 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 15785: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• meter level based on Bown and Rose 1987: 1520 m added to their figure, which is from the base of the Willwood
Show authors, comments, and common names
Mammalia
 Macroscelidea - Apheliscidae
Haplomylus scottianus3
Haplomylus scottianus3 Gingerich 1994 elephant shrew
 Primates - Microsyopidae
Microsyops angustidens4
Microsyops angustidens4 Matthew 1915 primate
 Primates - Omomyidae
Pseudotetonius ambiguus1
Pseudotetonius ambiguus1 Matthew 1915 tarsier
 Theriamorpha - Viverravidae
Viverravus acutus5
Viverravus acutus5 Matthew and Granger 1915 placental
see also Polly et al. 2006
 Perissodactyla -
Homogalax protapirinus2
Homogalax protapirinus2 Wortman 1896 odd-toed ungulate
 Perissodactyla - Equidae
"Hyracotherium pernix" = Arenahippus pernix2
"Hyracotherium pernix" = Arenahippus pernix2 Marsh 1876 horse
 Multituberculata - Neoplagiaulacidae
"Parectypodus simpsoni" = Ectypodus simpsoni
"Parectypodus simpsoni" = Ectypodus simpsoni Jepsen 1930 multituberculate
1Bown and Rose 1987; 2Gingerich 1991; 3Gingerich 1994; 4Gunnell 1985; 5Polly 1997