UCM 81009 (Eocene of the United States)

Where: Natrona County, Wyoming (43.2° N, 107.1° W: paleocoordinates 47.8° N, 90.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Red Creek Facies Member (Wind River Formation), Lostcabinian (55.8 - 50.3 Ma)

• said to be Lostcabinian

Environment/lithology: terrestrial

Reposited in the UCM

Primary reference: R. K. Stucky. 1984. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 5. Geology and biostratigraphy of the upper part of the Wind River Formation, northeastern Wind River Basin. Annals of Carnegie Museum 53(9):231-294 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 16068: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 4, excluding generically indeterminate records
Mammalia
 Primates - Omomyidae
Loveina zephyri Simpson 1940 tarsier
 Creodonta - Oxyaenidae
Oxyaenidae indet. Cope 1877 creodont
 Perissodactyla - Palaeotheriidae
Hyracotherium vasacciense Cope 1872 odd-toed ungulate
 Perissodactyla - Brontotheriidae
Lambdotherium popoagicum Cope 1880 brontothere
 Cimolesta - Esthonychidae
Esthonyx acutidens Cope 1881 tillodont