SC-207 (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: G. F. Gunnell. 1985. Systematics of Early Eocene Microsyopinae (Mammalia, Primates) in the Clark's Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(2):51-71 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15792: 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
 Primates - Microsyopidae
Arctodontomys wilsoni Szalay 1969 primate
 Primates - Omomyidae
Teilhardina sp.1 Simpson 1940 tarsier
T. crassidens-americana intergrade
 Perissodactyla -
Cardiolophus radinskyi2 Gingerich 1991 odd-toed ungulate
 Perissodactyla - Equidae
"Hyracotherium grangeri" = Sifrhippus grangeri2
"Hyracotherium grangeri" = Sifrhippus grangeri2 Gingerich 1989 horse
 Theriamorpha - Phenacodontidae
Ectocion osbornianus6 Cope 1882 condylarth
 Creodonta -
Prolimnocyon haematus4 Gingerich and Deutsch 1989 creodont
 Creodonta - Hyaenodontidae
Prototomus martis4 Gingerich and Deutsch 1989 creodont
Arfia shoshoniensis4 Matthew and Granger 1915 creodont
 Theriamorpha - Viverravidae
Viverravus acutus5 Matthew and Granger 1915 placental
 Macroscelidea - Apheliscidae
Apheliscus chydaeus3 Gingerich 1994 elephant shrew