Big Sand Draw/Carter Draw: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Leptictidae
Palaeictops sp. Matthew 1899
presumably OK but see Novacek 1977
Mammalia - Primates - Notharctidae
Mammalia - Primates - Omomyidae
Mammalia - Primates - Microsyopidae
Mammalia - Perissodactyla - Brontotheriidae
Mammalia - Perissodactyla
Mammalia - Perissodactyla - Palaeotheriidae
Mammalia - Perissodactyla - Equidae
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870
see common names

Geography
Country:United States State/province:Wyoming County:Fremont
Coordinates: 43.2° North, 108.2° West (view map)
Paleocoordinates:51.0° North, 80.7° West (Wright 2013)
Basis of coordinate:based on political unit
Time
Period: Paleogene Epoch: Eocene
Stage: Ypresian 10 m.y. bin: Cenozoic 2
*Period:Tertiary
Key time interval: Wasatchian
Age range of interval: 54.9 - 50.5 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Wind River Member:Lost Cabin
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:includes Thirty-one Cent Q., Pot Luck Q., Bunny Foot Q., and Halfway Draw Q.
date of 49.2 (= 50.5) Ma on Halfway Draw Tuff (Evernden et al. 1964: KA 1012) is 2 mi. WSW of Bunny Foot Q.; however, Mauger 1977 argues that the sample is degraded and the date is probably too young
Metadata
Database number:15902
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC0
Reference information

Primary reference:
2149. W. W. Korth and R. L. Evander. 1982. A New Species of Orohippus (Perissodactyla, Equidae) from the Early Eocene of Wyoming. Journal of Vertebrate Paleontology 2(2):167-171 [J. Alroy/J. Alroy/J. Marcot]