SC-87 (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 15762: 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
Mammalia
 Multituberculata - Neoplagiaulacidae
Parectypodus lunatus Krause 1982 multituberculate
 Primates - Omomyidae
Tetonius matthewi1 Bown and Rose 1987 tarsier
Teilhardina crassidens1 Bown and Rose 1987 tarsier
T. crassidens-americana intergrade also listed
 Perissodactyla -
Cardiolophus radinskyi3 Gingerich 1991 odd-toed ungulate
Homogalax protapirinus3 Wortman 1896 odd-toed ungulate
 Perissodactyla - Equidae
"Hyracotherium grangeri" = Sifrhippus grangeri3
"Hyracotherium grangeri" = Sifrhippus grangeri3 Gingerich 1989 horse
 Creodonta -
Prolimnocyon haematus4 Gingerich and Deutsch 1989 creodont
 Creodonta - Hyaenodontidae
Prototomus martis4 Gingerich and Deutsch 1989 creodont
Prototomus deimos4 Gingerich and Deutsch 1989 creodont
Arfia shoshoniensis4 Matthew and Granger 1915 creodont
 Theriamorpha - Viverravidae
Didymictis leptomylus5 Cope 1880 placental
Didymictis protenus5 Cope 1874 placental
Viverravus acutus5 Matthew and Granger 1915 placental
 Acreodi -
Wyolestes apheles2 Gingerich 1981 mesonychian
DUPLICATE REF 1643 or 1644