MP-122: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Leptictidae
Palaeictops bicuspis (Cope 1880)
Clyde 1997 2 specimens
Mammalia - Rodentia - Ischyromyidae
Microparamys cheradius Ivy 1990
Clyde 1997 2 specimens
Paramys taurus Korth 1984
Clyde 1997 1 specimen
Mammalia - Primates - Microsyopidae
Microsyops angustidens (Matthew 1915)
Clyde 1997 6 specimens
Mammalia - Primates - Notharctidae
Cantius abditus (Gingerich and Simons 1977)
Clyde 1997 40 specimens
Mammalia - Primates - Omomyidae
Tetonius matthewi Bown and Rose 1987
Clyde 1997 4 specimens
originally entered as "Tetonius mathewi"
Pseudotetonius ambiguus (Matthew 1915)
Clyde 1997 7 specimens
Teilhardina americana Bown 1976
Clyde 1997 3 specimens
Mammalia - Dermoptera
Plagiomene multicuspis Matthew 1918
Clyde 1997 2 specimens
Mammalia
Leipsanolestes siegfriedti Simpson 1928
Clyde 1997 1 specimen
Mammalia - Perissodactyla
Cardiolophus semihians (Cope 1882)
Clyde 1997 1 specimen
Hyracotherium cristatum Wortman 1896
Clyde 1997 1 specimen
synonym of Systemodon tapirinus
Homogalax protapirinus (Wortman 1896)
Clyde 1997 48 specimens
Mammalia - Perissodactyla - Equidae
Hyracotherium pernix (Marsh 1876)
Clyde 1997 95 specimens
recombined as Arenahippus pernix
Mammalia - Phenacodontidae
Phenacodus vortmani (Cope 1880)
Clyde 1997 1 specimen
Phenacodus trilobatus Cope 1881
Clyde 1997 9 specimens
Phenacodus intermedius Granger 1915
Clyde 1997 2 specimens
Mammalia - Diacodexeidae
Diacodexis metsiacus (Cope 1882)
Clyde 1997 57 specimens
Bunophorus etsagicus (Cope 1882)
Gingerich 1994 1 specimen
Mammalia - Procreodi - Arctocyonidae
Thryptacodon antiquus Matthew and Granger 1915
Clyde 1997 1 specimen
? Thryptacodon antiquus Matthew and Granger 1915
Clyde 1997 1 specimen
Mammalia - Creodonta - Oxyaenidae
Oxyaena intermedia Denison 1938
Clyde 1997 1 specimen
Oxyaena forcipata Cope 1874
Gunnell and Gingerich 1991 2 specimens
Mammalia - Creodonta
Didelphodus absarokae (Cope 1881)
Clyde 1997 1 specimen
Mammalia - Creodonta - Hyaenodontidae
Prototomus robustus (Matthew and Granger 1915)
Clyde 1997 1 specimen
Prototomus phobos Gingerich and Deutsch 1989
3 specimens
Mammalia - Viverravidae
Didymictis protenus (Cope 1874)
Clyde 1997 8 specimens
Viverravus acutus Matthew and Granger 1915
Polly 1997 4 specimens
Mammalia
Miacis exiguus Matthew and Granger 1915
Clyde 1997 1 specimen
Vassacyon promicrodon (Wortman and Matthew 1899)
Clyde 1997 2 specimens
Uintacyon rudis Rose 1981
Clyde 1997 1 specimen
Vulpavus australis Matthew and Granger 1915
Clyde 1997 6 specimens
Mammalia - Metacheiromyidae
Palaeanodon ignavus Matthew 1918
Clyde 1997 1 specimen
Mammalia - Acreodi - Mesonychidae
Pachyaena ossifraga Cope 1874
Clyde 1997 1 specimen
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus simplex Loomis 1905
Gingerich 1994 291 specimens
Mammalia - Macroscelidea - Apheliscidae
Apheliscus insidiosus (Cope 1874)
Clyde 1997 1 specimen
Haplomylus scottianus n. sp. Gingerich 1994
Gingerich 1994 141 specimens
Mammalia - Pantolestidae
Palaeosinopa veterrima Matthew 1901
Clyde 1997 3 specimens
Mammalia - Coryphodontidae
Coryphodon armatus (Cope 1872)
Clyde 1997 2 specimens
Coryphodon lobatus Cope 1877
Clyde 1997 1 specimen
Mammalia - Esthonychidae
Esthonyx bisulcatus Cope 1874
Clyde 1997 18 specimens
Reptilia - Testudines
Testudines indet. Batsch 1788
Clyde 1997
Reptilia - Lacertilia
Lacertilia indet. Owen 1842
Clyde 1997
Reptilia - Crocodylia
? Leidyosuchus sp. Lambe 1907
Clyde 1997
    = Crocodylia indet. Owen 1842
Alroy 2007
Reptilia
Allognathosuchus sp. Mook 1921
Clyde 1997
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843
Clyde 1997
see common names

Geography
Country:United States State/province:Wyoming County:Park
Coordinates: 44.6° North, 108.7° West (view map)
Paleocoordinates:49.4° North, 91.5° West
Basis of coordinate:estimated from map
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:55.80000 - 50.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Willwood
Local section:West Whistle Creek Local bed:835
Local order:bottom to top
Regional section:Southeast Regional bed:2010
Regional order:bottom to top
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified "siliciclastic"
Includes fossils?Y
Environment:fluvial-lacustrine indet. Tectonic setting:intermontane basin
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:good
Associated major elements:some
Disassociated major elements:many
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection excludes:some genera
Collection methods:surface (float),surface (in situ),survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:UMMP
Taxonomic list comments:855 m level in local section, Wa-5
Metadata
Database number:15694
Authorizer:J. Alroy, W. Clyde Enterer:J. Alroy, W. Clyde, L. Gannon
Modifier:J. Alroy Research group:vertebrate
Created:1993-09-27 00:00:00 Last modified:2012-04-05 00:53:48
Access level:the public Released:1993-09-27 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

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]

Secondary references:

19636 J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy]
11717 W. C. Clyde. 1997. Stratigraphy and mammalian paleontology of the McCullough Peaks, northern Bighorn Basin, Wyoming: Implications for biochronology, basin development, and community reorganization across the Paleocene-Eocene boundary. PhD Thesis, University of Michigan [W. Clyde/W. Clyde/J. Alroy]
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]
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]
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]