Arminto (Eocene of the United States)

Also known as Kevin's Locality; UCM 80063

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

• coordinate based on political unit

When: Lost Cabin Member (Wind River Formation), Lostcabinian (55.8 - 50.3 Ma)

• said to be Lostcabinian

Environment/lithology: terrestrial

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 15901: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cimolesta - Esthonychidae
Esthonyx acutidens Cope 1881 tillodont
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Condylarthra - Hyopsodontidae
Hyopsodus paulus Leidy 1870 condylarth
 Perissodactyla - Palaeotheriidae
Hyracotherium vasacciense Cope 1872 odd-toed ungulate
 Perissodactyla - Equidae
Orohippus sp. Marsh 1872 horse
 Perissodactyla - Brontotheriidae
Lambdotherium popoagicum Cope 1880 brontothere
 Rodentia - Ischyromyidae
Paramys copei Loomis 1907 rodent
 Primates - Microsyopidae
Microsyops cf. scottianus Cope 1881 primate