UM FB-1 (Eocene of the United States)

Where: Lincoln County, Wyoming (41.8° N, 110.7° W: paleocoordinates 46.9° N, 94.4° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Wa7 zone, Wasatch Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: fluvial; mudstone

Size class: macrofossils

Primary reference: G. F. Gunnell, J.-P. Zonneveld, and W. S. Bartels. 2016. Stratigraphy, mammalian paleontology, paleoecology, and age correlation of the Wasatch Formation, Fossil Butte National Monument, Wyoming . Journal of Paleontology 90(5):981-1011 [P. Holroyd/P. Holroyd/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 186931: authorized by Patricia Holroyd, entered by Patricia Holroyd on 08.07.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Ischyromyidae
Paramys excavatus Loomis 1907 rodent
 Rodentia - Sciuravidae
Knightomys depressus Loomis 1907 rodent
 Primates - Notharctidae
Cantius frugivorus Cope 1875 primate
Copelemur australotutus Beard 1988 primate
 Perissodactyla - Brontotheriidae
Lambdotherium popoagicum Cope 1880 brontothere
 Perissodactyla - Equidae
Equidae indet. Gray 1821 horse
Xenicohippus craspedotum Cope 1880 horse
 Artiodactyla - Diacodexeidae
Diacodexis secans Cope 1881 even-toed ungulate
 Theriamorpha - Viverravidae
Didymictis cf. protenus Cope 1874 placental
 Carnivora - Miacidae
Miacidae indet. Cope 1880 carnivoran
"sp. A & B indet."
 Theriamorpha - Metacheiromyidae
Palaeanodon sp. Matthew 1918 placental
 Condylarthra - Hyopsodontidae
Hyopsodus powellianus Cope 1884 condylarth