Elk Creek (560 m): Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Leptictidae
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Palaeictops bicuspis
(Cope 1880)
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Mammalia
- Rodentia
- Ischyromyidae
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Pseudotomus coloradensis
Wood 1962
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= cf. Mytonomys coloradensis
Wood 1962
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Alroy 2002 | |||||||||
Paramys cf. copei
Loomis 1907
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Paramys cf. excavatus
Loomis 1907
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Mammalia
- Rodentia
- Sciuravidae
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cf. Knightomys depressus
(Loomis 1907)
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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 | |||||||||
Mammalia
- Primates
- Notharctidae
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Pelycodus frugivorus
Cope 1875
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recombined as Cantius frugivorus | ||||||||||
Pelycodus abditus
Gingerich and Simons 1977
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recombined as Cantius abditus | ||||||||||
Mammalia
- Primates
- Paromomyidae
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Phenacolemurinae indet.
Simpson 1955
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"Phenacolemur sp. 1" and "P. sp. 2" | ||||||||||
Mammalia
- Primates
- Omomyidae
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Absarokius abbotti
(Loomis 1906)
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Bown and Rose 1987 | |||||||||
Y-34, 44, 318, USGS D-1229, 1603, 1604 | ||||||||||
Absarokius metoecus
Bown and Rose 1987
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Bown and Rose 1987 | |||||||||
Y-61, USGS D-1602, 1603 | ||||||||||
Tetonius homunculus
(Cope 1882)
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= Tetonius sp.
Matthew 1915
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Alroy 2002 | |||||||||
Mammalia
- Perissodactyla
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Heptodon calciculus
(Cope 1880)
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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" | ||||||||||
Hyracotherium cf. index
(Cope 1873)
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recombined as Minippus index | ||||||||||
Mammalia
- Phenacodontidae
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Phenacodus brachypternus
Cope 1882
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recombined as Copecion brachypternus | ||||||||||
Phenacodus vortmani
(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 | |||||||||
Bunophorus etsagicus
(Cope 1882)
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= Bunophorus sp.
Sinclair 1914
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Alroy 2002 | |||||||||
Mammalia
- Procreodi
- Arctocyonidae
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Anacodon ursidens
Cope 1882
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Chriacus gallinae
Matthew and Granger 1915
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Mammalia
- Creodonta
- Oxyaenidae
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Oxyaena sp.
Cope 1874
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"intermedia/forcipata" | ||||||||||
Mammalia
- Creodonta
- Hyaenodontidae
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Tritemnodon strenua
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ref 6294: and "T. hians" | ||||||||||
Prototomus sp.
Cope 1874
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"1" | ||||||||||
Mammalia
- Viverravidae
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Didymictis sp.
Cope 1875
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"curtidens/lysitensis" | ||||||||||
Viverravus sp.
Marsh 1872
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"V. acutus/gracilis" | ||||||||||
Mammalia
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Miacis exiguus
Matthew and Granger 1915
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= Miacis sp.
Cope 1872
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Alroy 2002 | |||||||||
Vassacyon promicrodon
(Wortman and Matthew 1899)
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Uintacyon asodes
Gazin 1952
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Vulpavus australis
Matthew and Granger 1915
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus informal latidens/miticulus
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"latidens/miticulus" | ||||||||||
Hyopsodus informal loomisi/minor
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"loomisi/minor" | ||||||||||
Mammalia
- Macroscelidea
- Apheliscidae
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Apheliscus sp.
Cope 1875
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"1" | ||||||||||
Mammalia
- Macroscelidea
- Amphilemuridae
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Macrocranion nitens
(Matthew 1918)
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Mammalia
- Pantolestidae
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Palaeosinopa veterrima
Matthew 1901
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Mammalia
- Coryphodontidae
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Coryphodon informal sp. 2
(Owen 1845)
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original and current combination Lophiodon (Coryphodon) | ||||||||||
"2" | ||||||||||
Coryphodon informal sp. 3
(Owen 1845)
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original and current combination Lophiodon (Coryphodon) | ||||||||||
"3" | ||||||||||
Mammalia
- Esthonychidae
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Esthonyx bisulcatus
Cope 1874
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Mammalia
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Peradectes chesteri
(Gazin 1952)
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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: | 55.80000 - 50.30000 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:YPM 41, 42, 43, 72, USGS D-1229 are from Washakie County most or all of these are probably at the 481 m level of Bown et al. 1994 USGS D-1602, 1603, 1604 are also at the 481/560 level: B & R 87 |
Metadata
Also known as: | YPM 34, 41, 42, 43, 44, 61, 72, 99, 318, USGS D-1229 | ||
Database number: | 15551 | ||
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:
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] |