SC-161 (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 15788: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• meter level given by Gunnell and Gingerich 1991
Mammalia
 Creodonta - Oxyaenidae
Dipsalidictis transiens6 Matthew and Granger 1915 creodont
 Creodonta - Hyaenodontidae
Acarictis ryani n. sp.4 Gingerich and Deutsch 1989 creodont
Galecyon mordax4 Matthew and Granger 1915 creodont
Prototomus phobos4 Gingerich and Deutsch 1989 creodont
Arfia shoshoniensis4 Matthew and Granger 1915 creodont
 Creodonta -
Prolimnocyon haematus4 Gingerich and Deutsch 1989 creodont
 Ferae - Metacheiromyidae
Palaeanodon nievelti1 Gingerich 1989 placental
 Ferae - Viverravidae
Didymictis protenus8 Cope 1874 placental
Didymictis leptomylus8 Cope 1880 placental
Viverravus acutus8 Matthew and Granger 1915 placental
 Perissodactyla -
Cardiolophus radinskyi2 Gingerich 1991 odd-toed ungulate
 Perissodactyla - Equidae
"Hyracotherium grangeri" = Sifrhippus grangeri2
"Hyracotherium grangeri" = Sifrhippus grangeri2 Gingerich 1989 horse
 Primates - Notharctidae
Cantius ralstoni7 Matthew 1915 primate
 Primates - Microsyopidae
Arctodontomys wilsoni5 Szalay 1969 primate
 Condylarthra - Hyopsodontidae
Hyopsodus sp.9 Leidy 1870 condylarth
 Macroscelidea - Apheliscidae
Apheliscus chydaeus3 Gingerich 1994 elephant shrew
 Multituberculata - Neoplagiaulacidae
Ectypodus tardus Jepsen 1940 multituberculate