Tree Road (Eocene of the United States)

Also known as B-4

Where: Sublette County, Wyoming (42.7° N, 110.1° W: paleocoordinates 46.7° N, 96.1° W)

• coordinate based on political unit

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

Environment/lithology: terrestrial

Primary reference: R. M. West. 1973. Geology and mammalian paleontology of the New Fork-Big Sandy area, Sublette County, Wyoming. Fieldiana: Geology 29 [J. Alroy/J. Alroy]more details

PaleoDB collection 16441: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Condylarthra - Hyopsodontidae
Hyopsodus minusculus Leidy 1873 condylarth
 Creodonta -
Thinocyon cf. velox Marsh 1872 creodont
 Perissodactyla - Equidae
Orohippus cf. pumilus Marsh 1871 horse
 Theriamorpha - Geolabididae
Centetodon cf. pulcher Marsh 1872 placental
 Rodentia - Paramyidae
Paramyidae indet.1 Miller and Gidley 1918 rodent
 Rodentia - Sciuravidae
Sciuravus nitidus Marsh 1871 rodent
 Rodentia - Reithroparamyidae
 Rodentia - Ischyromyidae
Microparamys sp. Wood 1959 rodent
"A"
Microparamys minutus Wilson 1937 rodent
"Acritoparamys wyomingensis" = Paramys wyomingensis1 Wood 1959 rodent
Quadratomus grossus2 Korth 1985 rodent
 Primates - Notharctidae
Smilodectes gracilis Marsh 1871 primate
 Primates - Omomyidae
Omomys carteri Leidy 1869 tarsier
Anaptomorphus westi3 Szalay 1976 tarsier
 Primates - Microsyopidae
Microsyops elegans Marsh 1871 primate
Scenopagus edenensis
  -
Scenopagus edenensis McGrew et al. 1959