MP-86: Wasatchian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes
Osteichthyes indet. Huxley 1880
Clyde 1997
Reptilia - Crocodilia
Crocodilia indet. Owen 1842
Clyde 1997
spelled with current rank as Crocodylia
Mammalia - Leptictidae
Palaeictops bicuspis (Cope 1880)
Clyde 1997 5 specimens
Mammalia - Coryphodontidae
Coryphodon lobatus Cope 1877
Clyde 1997 1 specimen
Coryphodon armatus (Cope 1872)
Clyde 1997 2 specimens
Mammalia - Esthonychidae
Esthonyx bisulcatus Cope 1874
Clyde 1997 26 specimens
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus miticulus (Cope 1874)
Clyde 1997 5 specimens
Hyopsodus simplex Loomis 1905
Clyde 1997 68 specimens
Mammalia - Metacheiromyidae
Palaeanodon sp. Matthew 1918
Clyde 1997 1 specimen
Mammalia - Epoicotheriidae
Alocodontulum atopum (Rose et al. 1978)
Clyde 1997 1 specimen
recombined as Tubulodon atopum
Mammalia - Creodonta - Oxyaenidae
Oxyaena intermedia Denison 1938
2 specimens
Mammalia
Miacis petilus Gingerich 1983
Clyde 1997 5 specimens
Vassacyon promicrodon (Wortman and Matthew 1899)
Clyde 1997 2 specimens
Vulpavus australis Matthew and Granger 1915
Clyde 1997 5 specimens
Mammalia - Viverravidae
Viverravus acutus Matthew and Granger 1915
Polly 1997 2 specimens
Didymictis protenus (Cope 1874)
Polly 1997 6 specimens
Mammalia - Perissodactyla - Equidae
Hyracotherium pernix (Marsh 1876)
Clyde 1997 146 specimens
recombined as Arenahippus pernix
Mammalia - Perissodactyla
Homogalax protapirinus (Wortman 1896)
Clyde 1997 20 specimens
Cardiolophus semihians (Cope 1882)
Clyde 1997 6 specimens
Hyracotherium cristatum Wortman 1896
Clyde 1997 23 specimens
synonym of Systemodon tapirinus
Mammalia - Phenacodontidae
Phenacodus vortmani (Cope 1880)
Clyde 1997 4 specimens
Mammalia - Diacodexeidae
Diacodexis robustus Sinclair 1914
Clyde 1997 2 specimens
recombined as Bunophorus robustus
Diacodexis metsiacus (Cope 1882)
Clyde 1997 40 specimens
Mammalia - Procreodi - Arctocyonidae
Chriacus gallinae Matthew and Granger 1915
Clyde 1997 1 specimen
Mammalia - Rodentia - Ischyromyidae
Microparamys cheradius Ivy 1990
Clyde 1997 1 specimen
Paramys taurus Korth 1984
Clyde 1997 3 specimens
Mammalia - Primates - Notharctidae
Cantius abditus (Gingerich and Simons 1977)
Clyde 1997 37 specimens
Mammalia - Primates - Omomyidae
Absarokius metoecus Bown and Rose 1987
Clyde 1997 1 specimen
originally entered as "Absarokius motoecus"
Mammalia - Primates - Microsyopidae
Microsyops cardiorestes Gunnell 1989
Clyde 1997 1 specimen
Microsyops angustidens (Matthew 1915)
Clyde 1997 4 specimens
Mammalia - Primates - Paromomyidae
Phenacolemur citatus Matthew 1915
Clyde 1997 1 specimen
recombined as Simpsonlemur citatus
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843
Clyde 1997
see common names

Geography
Country:United States State/province:Wyoming County:Park
Coordinates: 44.5° North, 108.7° West (view map)
Paleocoordinates:49.3° 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:54.90000 - 50.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Willwood
Local section:Foster Gulch - Y U Bench Local bed:985
Local order:bottom to top
Regional section:Southeast Regional bed:2180
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:may be in Big Horn County, Wa-5
Metadata
Database number:15692
Authorizer:J. Alroy, W. Clyde Enterer:J. Alroy, W. Clyde, L. Gannon
Modifier:G. Varnham Research group:vertebrate
Created:1998-09-21 00:00:00 Last modified:2022-02-15 07:44:20
Access level:the public Released:1998-09-21 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
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]

Secondary references:

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]
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]