Fossil Butte (Upper): Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Reithroparamyidae
apparently the specimen from "Lysite equivalent, saddle north of Fossil Butte" that is "questionably referred" to R. debequensis by Wood 1962
Mammalia - Primates - Notharctidae
Beard 1988
single "Pelycodus nr. jarrovii" specimen from "the north side (saddle) of Fossil Butte"; the only other specimen from the north side explicitly mentioned by Gazin is Meniscotherium sp., from the upper levels
Mammalia - Phenacodontidae
    = Meniscotherium chamense Cope 1874
Williamson and Lucas 1992
Mammalia - Perissodactyla - Equidae
Alroy 2002
Mammalia - Perissodactyla
Mammalia - Homacodontidae
Mammalia - Creodonta - Hyaenodontidae
Alroy 2002
Mammalia
Gunnell et al. 2016
Mammalia - Viverravidae
Mammalia - Condylarthra - Hyopsodontidae
    = Hyopsodus sp. Leidy 1870
Alroy 2002
    = Hyopsodus powellianus Cope 1884
Alroy 2002
Mammalia
Ectoganus sp. Cope 1874
see common names

Geography
Country:United States State/province:Wyoming County:Lincoln
Coordinates: 41.8° North, 110.7° West (view map)
Paleocoordinates:50.1° North, 84.1° 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:Wasatch
Local section:Fossl Local bed:3
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:said to be in the "Knight Fm." and "close below the Green River shales" (i.e., Fossil Butte Mbr.)
apparently same as Fossil Butte NM west of Kemmerer; see Grande 1984
Metadata
Database number:15597
Authorizer:J. Alroy, P. Holroyd Enterer:J. Alroy, P. Holroyd
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:
1616. C. L. Gazin. 1962. A Further Study Of The Lower Eocene Mammalian Faunas Of Southwestern Wyoming. Smithsonian Miscellaneous Collections 144(1):1-98 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1036 K. C. Beard. 1988. New notharctine primate fossils from the early Eocene of New Mexico and southern Wyoming and the phylogeny of Notharctinae. American Journal of Physical Anthropology 75(4):439-469 [J. Alroy/J. Alroy/J. Alroy]
62695 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]
3647 T. E. Williamson and S. G. Lucas. 1992. Meniscotherium (Mammalia, "Condylarthra) from the Paleocene-Eocene of Western North America). New Mex Museum of Natural History Science Bulletin 1:1-75 [J. Alroy/J. Alroy/M. Uhen]