Fossil Butte (Upper): Wasatchian, Wyoming

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Primates - Notharctidae
Copelemur australotutus n. sp. Beard 1988
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 - Rodentia - Reithroparamyidae
Reithroparamys sp. Matthew 1920
apparently the specimen from "Lysite equivalent, saddle north of Fossil Butte" that is "questionably referred" to R. debequensis by Wood 1962
Mammalia - Perissodactyla
Heptodon sp. Cope 1882
Mammalia - Perissodactyla - Equidae
Hyracotherium sp. Owen 1841
    = Equidae indet. Gray 1821
Alroy 2002
Mammalia - Viverravidae
Didymictis altidens Cope 1880
Mammalia - Carnivora
cf. Vulpavus australis Matthew and Granger 1915
    = Vulpavus australis Matthew and Granger 1915
Gunnell et al. 2016
Ectoganus sp. Cope 1874
Mammalia - Ungulata - Hyopsodontidae
Hyopsodus cf. miticulus (Cope 1874)
    = Hyopsodus sp. Leidy 1870
Alroy 2002
Hyopsodus browni Loomis 1905
    = Hyopsodus powellianus Cope 1884
Alroy 2002
Mammalia - Ungulata - Homacodontidae
Hexacodus uintensis Gazin 1952
Mammalia - Ungulata - Phenacodontidae
Meniscotherium sp. Cope 1874
    = Meniscotherium chamense Cope 1874
Williamson and Lucas 1992
Mammalia - Hyaenodonta - Hyaenodontidae
Sinopa cf. multicuspis (Cope 1875)
    = Prototomus cf. secundarius Cope 1875
Alroy 2002
see common names

Country:United States State/province:Wyoming County:Lincoln
Coordinates: 41.8° North, 110.7° West (view map)
Paleocoordinates:46.9° North, 94.4° West
Basis of coordinate:based on political unit
Period:Paleogene Epoch:Eocene
Stage:Ypresian 10 m.y. bin:Cenozoic 2
Key time interval:Wasatchian
Age range of interval:55.80000 - 50.30000 m.y. ago
* legacy (obsolete) database fields
Local section:Fossl Local bed:3
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
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
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:2002-06-03 03:27:40
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
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. Uhen]
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]