Elk Creek (50 m) (Eocene of the United States)

Also known as YPM 95

Where: Big Horn County, Wyoming (44.5° N, 108.0° W: paleocoordinates 49.2° N, 90.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

Environment/lithology: terrestrial

Primary reference: D. M. Schankler. 1980. Faunal Zonation of the Willwood Formation in the Central Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 24:99-114 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 15495: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• county assignment based on YPM 95
Show authors, comments, and common names
Mammalia
 Creodonta - Hyaenodontidae
Prototomus sp.
Prototomus sp. Cope 1874 creodont
"1"
 Ferae -
Oodectes sp.
Oodectes sp. Wortman 1901 placental
 Ferae - Viverravidae
Didymictis leptomylus, Viverravus sp.
Didymictis leptomylus Cope 1880 placental
Viverravus sp. Marsh 1872 placental
"3"
 Artiodactyla - Diacodexeidae
Diacodexis sp.
Diacodexis sp. Cope 1882 even-toed ungulate
 Perissodactyla - Equidae
"Hyracotherium grangeri" = Sifrhippus grangeri
"Hyracotherium grangeri" = Sifrhippus grangeri Gingerich 1989 horse
"H. sp. 1"
 Primates - Notharctidae
Cantius sp.
Cantius sp. Simons 1962 primate
 Rodentia - Ischyromyidae
Paramys cf. excavatus
Paramys cf. excavatus Loomis 1907 rodent
 Macroscelidea - Apheliscidae
Apheliscus sp., Haplomylus speirianus
Apheliscus sp. Cope 1875 elephant shrew
"wapitiensis/insidiosus"
Haplomylus speirianus Cope 1880 elephant shrew
 Condylarthra - Hyopsodontidae
Hyopsodus sp.
Hyopsodus sp. Leidy 1870 condylarth
"loomisi/minor"
 Cimolesta - Esthonychidae
Esthonyx spatularius
Esthonyx spatularius Cope 1880 tillodont
 Cimolesta - Coryphodontidae
Coryphodon sp.
Coryphodon sp. Owen 1845 pantodont
"1"