Big Island-Blue Rim Badlands (UM BI-30) (Eocene of the United States)

Where: Sweetwater County, Wyoming (41.7° N, 109.0° W: paleocoordinates 45.6° N, 95.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Bridger Formation, Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: terrestrial

Primary reference: G. F. Gunnell. 1998. Mammalian Fauna From the Lower Bridger Formation (Bridger A, Early Middle Eocene) of the Southern Green River Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 30(3):83-130 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 16107: authorized by John Alroy, entered by John Alroy on 21.09.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Condylarthra - Hyopsodontidae
Hyopsodus minusculus Leidy 1873 condylarth
 Perissodactyla - Equidae
Orohippus cf. pumilus Marsh 1871 horse
 Perissodactyla -
Helaletes nanus Marsh 1871 odd-toed ungulate
 Creodonta - Hyaenodontidae
Sinopa rapax Leidy 1871 creodont
 Theriamorpha - Nyctitheriidae
"Scenopagus curtidens" = Nyctitherium curtidens
"Scenopagus curtidens" = Nyctitherium curtidens Matthew 1909 placental
 Rodentia - Ischyromyidae
Microparamys cf. minutus Wilson 1937 rodent
Paramys delicatus Leidy 1871 rodent
Quadratomus grandis Wood 1962 rodent
 Primates - Omomyidae
Washakius insignis Leidy 1873 tarsier
Omomys carteri Leidy 1869 tarsier
 Primates - Notharctidae
Smilodectes mcgrewi Gingerich 1979 primate
Notharctus robinsoni Gingerich 1979 primate
 Primates - Microsyopidae
Microsyops cf. elegans Marsh 1871 primate
Scenopagus edenensis
  -
Scenopagus edenensis McGrew et al. 1959