SC-54: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Leptictidae
Didelphodus absarokae (Cope 1881)
Mammalia - Esthonychidae
Esthonyx spatularius Cope 1880
Mammalia - Coryphodontidae
Coryphodon sp. (Owen 1845)
original and current combination Lophiodon (Coryphodon)
Mammalia - Apatemyidae
Apatemys sp. Marsh 1872
    = Apatemyidae indet. Matthew 1909
Alroy 2002
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870
Mammalia - Macroscelidea - Apheliscidae
Haplomylus speirianus (Cope 1880)
Apheliscus sp. Cope 1875
    = Apheliscus chydaeus Gingerich 1994
Gingerich 1994
Mammalia - Acreodi - Mesonychidae
Pachyaena sp. Cope 1874
Mammalia
Uintacyon cf. massetericus (Cope 1882)
Miacis exiguus Matthew and Granger 1915
    = Miacis sp. Cope 1872
Alroy 2002
Mammalia - Viverravidae
Viverravus acutus Matthew and Granger 1915
confirmed by Polly 1997
Didymictis leptomylus Cope 1880
Polly 1997
Didymictis protenus (Cope 1874)
confirmed by Polly 1997
Mammalia - Creodonta - Oxyaenidae
Oxyaena sp. Cope 1874
    = Dipsalidictis transiens Matthew and Granger 1915
Gunnell and Gingerich 1991
Palaeonictis occidentalis Osborn 1892
Gunnell and Gingerich 1991
Mammalia - Creodonta
Prolimnocyon haematus n. sp. Gingerich and Deutsch 1989
Gingerich and Deutsch 1989
Mammalia - Creodonta - Hyaenodontidae
Prototomus martis Gingerich and Deutsch 1989
Gingerich and Deutsch 1989
Arfia shoshoniensis (Matthew and Granger 1915)
Gingerich and Deutsch 1989
Mammalia - Procreodi - Arctocyonidae
Thryptacodon antiquus Matthew and Granger 1915
Mammalia - Diacodexeidae
Diacodexis metsiacus (Cope 1882)
    = Diacodexis sp. Cope 1882
Alroy 2002
Mammalia - Phenacodontidae
Phenacodus primaevus (Cope 1873)
    = Phenacodus sp. Cope 1873
Alroy 2002
Ectocion osbornianus (Cope 1882)
described by Thewissen 1990
Mammalia - Perissodactyla
Homogalax sp. Hay 1899
    = Cardiolophus radinskyi Gingerich 1991
Gingerich 1991
Mammalia - Perissodactyla - Equidae
Hyracotherium sp. Owen 1841
    = Hyracotherium grangeri Gingerich 1989
Gingerich 1991
recombined as Sifrhippus grangeri
Mammalia - Primates - Paromomyidae
Phenacolemur praecox Matthew 1915
    = Phenacolemurinae indet. Simpson 1955
Alroy 2002
Ignacius graybullianus Bown and Rose 1976
(3 measurements)
Mammalia - Primates - Microsyopidae
Microsyops sp. Leidy 1872
    = Arctodontomys wilsoni Szalay 1969
Gunnell 1985
Mammalia - Primates - Omomyidae
Teilhardina sp. Simpson 1940
Bown and Rose 1987
T. crassidens-americana intergrade
Mammalia - Primates - Adapidae
Pelycodus sp. Cope 1875
    = Adapidae indet. Trouessart 1879
Alroy 2002
Mammalia - Rodentia - Ischyromyidae
Paramys sp. Leidy 1871
Mammalia - Multituberculata - Eucosmodontidae
Neoliotomus ultimus (Granger and Simpson 1928)
Krause 1982
original and current combination Eucosmodon ultimus
see common names

Geography
Country:United States State/province:Wyoming County:Park
Coordinates: 44.3° North, 109.0° West (view map)
Paleocoordinates:49.2° North, 91.9° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Ypresian 10 m.y. bin:Cenozoic 2
*Period:Tertiary
Key time interval:Wasatchian
Age range of interval:54.90000 - 50.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Willwood
Local section:Clark Local bed:1700 m
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection size:625 specimens
Museum repositories:UMMP
Taxonomic list comments:meter level given by Gunnell and Gingerich 1991
Metadata
Database number:15756
Authorizer:J. Alroy Enterer:J. Alroy
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:
2953. K. D. Rose. 1981. The Clarkforkian Land-Mammal Age and Mammalian Faunal Composition Across the Paleocene-Eocene Boundary. University of Michigan Papers on Paleontology 26:1-197 [J. Alroy/J. Alroy/P. Mannion]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1123 T. M. Bown and K. D. Rose. 1987. Patterns of Dental Evolution in Early Eocene Anaptomorphine Primates (Omomyidae) from the Bighorn Basin, Wyoming. Paleontological Society Memoir 23:1-162 [J. Alroy/J. Alroy/J. Ju]
1660 P. D. Gingerich. 1991. Systematics and Evolution of Early Eocene Perissodactyla (Mammalia) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 28(8):181-213 [J. Alroy/J. Alroy/P. Mannion]
1662 P. D. Gingerich. 1994. New species of Apheliscus, Haplomylus, and Hyopsodus (Mammalia, Condylarthra) from the late Paleocene of southern Montana and early Eocene of northwestern Wyoming. Contributions from the Museum of Paleontology, University of Michigan 29(6):119-134 [J. Alroy/J. Alroy/K. Beard]
1666 P. D. Gingerich and H. A. Deutsch. 1989. Systematics and Evolution of Early Eocene Hyaenodontidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(13):327-391 [J. Alroy/J. Alroy/J. Marcot]
1728 G. F. Gunnell. 1985. Systematics of Early Eocene Microsyopinae (Mammalia, Primates) in the Clark's Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(2):51-71 [J. Alroy/J. Alroy/M. Uhen]
1745 G. F. Gunnell and P. D. Gingerich. 1991. Systematics and Evolution of Late Paleocene and Early Eocene Oxyaenidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 28(7):141-180 [J. Alroy/J. Alroy/J. Marcot]
2158 D. W. Krause. 1982. Multituberculates from the Wasatchian Land-Mammal Age, Early Eocene, of Western North America. Journal of Paleontology 56(2):271-294 [J. Alroy/J. Alroy/J. Ju]
2787 P. D. Polly. 1997. Ancestry and Species Definition in Paleontology: A Stratocladistic Analysis of Paleocene-Eocene Viverravidae (Mammalia, Carnivora) from Wyoming. Contributions from the Museum of Paleontology, University of Michigan 30(1):1-53 [J. Alroy/J. Alroy/M. Uhen]