Elk Creek (160 m): Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Testudines
- Kinosternoidea
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Cardichelyon rogerwoodi
Hutchison 2013
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Hutchison 2013 | |||||||||
at UCMP loc V81223 (=Yale 362 extension) | ||||||||||
Mammalia
- Macroscelidea
- Apheliscidae
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Haplomylus speirianus
(Cope 1880)
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Apheliscus sp.
Cope 1875
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"wapitiensis/insidiosus" | ||||||||||
Mammalia
- Macroscelidea
- Amphilemuridae
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Macrocranion nitens
(Matthew 1918)
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus sp.
Leidy 1870
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"loomisi/minor" | ||||||||||
Mammalia
- Rodentia
- Sciuravidae
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Dawsonomys minor
Wood 1965
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= cf. Knightomys minor
Wood 1965
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Alroy 2002 | |||||||||
cf. Knightomys depressus
(Loomis 1907)
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Mammalia
- Rodentia
- Ischyromyidae
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Paramys cf. copei
Loomis 1907
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Paramys cf. excavatus
Loomis 1907
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Mammalia
- Primates
- Paromomyidae
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Phenacolemur praecox
Matthew 1915
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= Phenacolemurinae indet.
Simpson 1955
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Alroy 2002 | |||||||||
Mammalia
- Primates
- Notharctidae
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Pelycodus sp.
Cope 1875
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= Cantius sp.
Simons 1962
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Alroy 2002 | |||||||||
"mckennai/trigonodus" | ||||||||||
Mammalia
- Primates
- Microsyopidae
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Microsyops sp.
Leidy 1872
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= Microsyopidae indet.
Osborn and Wortman 1892
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Alroy 2002 | |||||||||
Niptomomys doreenae
McKenna 1960
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Mammalia
- Primates
- Omomyidae
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Tetonius matthewi
Bown and Rose 1987
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Bown and Rose 1987 | |||||||||
Y-147 | ||||||||||
Tetonoides tenuiculus
(Jepsen 1930)
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= Teilhardina sp.
Simpson 1940
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Bown and Rose 1987 | |||||||||
T. crassidens-americana intergrade; Y-327, 362 | ||||||||||
Mammalia
- Creodonta
- Oxyaenidae
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Oxyaena sp.
Cope 1874
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"intermedia/forcipata" | ||||||||||
Oxyaena gulo
Matthew and Granger 1915
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Mammalia
- Creodonta
- Hyaenodontidae
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Prototomus sp.
Cope 1874
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"1" | ||||||||||
Arfia opisthotoma
(Matthew 1901)
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= Arfia shoshoniensis
Matthew and Granger 1915
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Gingerich and Deutsch 1989 | |||||||||
at YM 362 | ||||||||||
Mammalia
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Uintacyon massetericus
(Cope 1882)
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Mammalia
- Viverravidae
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Didymictis leptomylus
Cope 1880
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Mammalia
- Diacodexeidae
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Diacodexis metsiacus
(Cope 1882)
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= Diacodexis sp.
Cope 1882
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Alroy 2002 | |||||||||
Mammalia
- Procreodi
- Arctocyonidae
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Thryptacodon antiquus
Matthew and Granger 1915
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Mammalia
- Phenacodontidae
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Ectocion osbornianus
(Cope 1882)
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Phenacodus vortmani
(Cope 1880)
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Phenacodus intermedius
Granger 1915
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Mammalia
- Perissodactyla
- Equidae
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Hyracotherium aemulor
Gingerich 1991
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recombined as Arenahippus aemulor | ||||||||||
"H. sp. 2" | ||||||||||
Hyracotherium grangeri
Gingerich 1989
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recombined as Sifrhippus grangeri | ||||||||||
"H. sp. 1" | ||||||||||
Mammalia
- Pantolestidae
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Palaeosinopa veterrima
Matthew 1901
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Palaeosinopa incerta
Bown and Schankler 1982
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Bown and Schankler 1982 | |||||||||
"P. sp. 1" | ||||||||||
Mammalia
- Coryphodontidae
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Coryphodon sp.
(Owen 1845)
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original and current combination Lophiodon (Coryphodon) | ||||||||||
"1" | ||||||||||
Mammalia
- Esthonychidae
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Esthonyx spatularius
Cope 1880
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Mammalia
- Leptictidae
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Prodiacodon tauricinerei
(Jepsen 1930)
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Mammalia
- Multituberculata
- Neoplagiaulacidae
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Ectypodus tardus
(Jepsen 1940)
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Krause 1982 | |||||||||
YM 146 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Big Horn |
Coordinates: | 44.5° North, 108.0° West (view map) | ||||
Paleocoordinates: | 49.2° North, 90.8° 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 |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:questionably correlated: Y-110, Y-147 |
Metadata
Also known as: | YPM 91, 145, 146, 327, 362, 364, 374 | ||
Database number: | 15512 | ||
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:
3021. | D. M. Schankler. 1980. Faunal Zonation of the Willwood Formation in the Central Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 24:99-114 [J. Alroy/J. Alroy/M. Uhen] |
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] | |
1125 | T. M. Bown and D. Schankler. 1982. A review of the Proteutheria and Insectivora of the Willwood Formation (Lower Eocene), Bighorn Basin, Wyoming. United States Geological Survey Bulletin 1523:1-79 [J. Alroy/J. Alroy/J. Ju] | |
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] | |
55096 | J. H. Hutchison. 2013. New turtles from the Paleogene of North America. In D. B. Brinkman, P. A. Holroyd, J. D. Gardner (eds.), Morphology and Evolution of Turtles 477-497 [P. Holroyd/P. Holroyd] | |
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] |