Morrow Creek Locality 10 (Eocene of the United States)

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

• coordinate based on political unit

• small collection-level geographic resolution

When: Laney Member (Green River Formation), Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: terrestrial

Primary reference: P. O. McGrew, J. E. Berman, M. K. Hecht, J. M. Hummel, G. G. Simpson and A. E. Wood. 1959. The geology and paleontology of the Elk Mountain and Tabernacle Butte area, Wyoming. Bulletin of the American Museum of Natural History 117(3):117-176 [J. Alroy/J. Alroy/R. Whatley]more details

PaleoDB collection 16287: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Terri Cleary

Creative Commons license: CC BY (attribution)

Taxonomic list

• said to be in the "Morrow Creek Mbr.," which is actually the Laney Mbr. according to Gazin 1962
Reptilia
 Squamata - Anguidae
Melanosaurus sp.2 Gilmore 1928 squamates
AMNH 3836, part of a maxilla and several osteoscutes
Mammalia
 Condylarthra - Hyopsodontidae
Hyopsodus lepidus Matthew 1909 condylarth
 Rodentia - Sciuravidae
Sciuravus nitidus Marsh 1871 rodent
 Rodentia - Ischyromyidae
Thisbemys sp. Wood 1959 rodent
Paramys delicatus Leidy 1871 rodent
 Primates - Notharctidae
Smilodectes gracilis1 Marsh 1871 primate
 Primates - Omomyidae
"Washakius laurae" = Washakius insignis1, Omomys carteri
"Washakius laurae" = Washakius insignis1 Leidy 1873 tarsier
Omomys carteri Leidy 1869 tarsier
 Perissodactyla - Hyrachyidae
Hyrachyus sp. Leidy 1871 odd-toed ungulate
Scenopagus edenensis
  -
Scenopagus edenensis1 McGrew et al. 1959