Elk Creek (690 m): Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Esthonychidae
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Megalesthonyx hopsoni
Rose 1971
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Esthonyx bisulcatus
Cope 1874
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus sp.
Leidy 1870
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| "latidens/miticulus" | ||||||||||
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Mammalia
- Viverravidae
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Didymictis sp.
Cope 1875
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| "curtidens/lysitensis" | ||||||||||
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Mammalia
- Creodonta
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Prolimnocyon antiquus
Matthew and Granger 1915
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Mammalia
- Creodonta
- Oxyaenidae
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Ambloctonus hyaenoides
Matthew and Granger 1915
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= Ambloctonus sinosus
Cope 1875
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Alroy 2002 | |||||||||
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Mammalia
- Diacodexeidae
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"Bunophorus" macropternus
(Cope 1882)
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Mammalia
- Perissodactyla
- Equidae
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Hyracotherium pernix
(Marsh 1876)
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| recombined as Arenahippus pernix | ||||||||||
| "H. sp. 3" | ||||||||||
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Hyracotherium grangeri
Gingerich 1989
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| recombined as Sifrhippus grangeri | ||||||||||
| "H. sp. 1" | ||||||||||
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Mammalia
- Perissodactyla
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Heptodon posticus
(Cope 1882)
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Mammalia
- Perissodactyla
- Brontotheriidae
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Lambdotherium primaevum
Loomis 1907
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= Lambdotherium popoagicum
Cope 1880
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Alroy 2002 | |||||||||
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Mammalia
- Phenacodontidae
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Phenacodus vortmani
(Cope 1880)
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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 | |||||||||
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Mammalia
- Primates
- Notharctidae
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Pelycodus jarrovii
(Cope 1874)
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= Cantius sp.
Simons 1962
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Alroy 2002 | |||||||||
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Mammalia
- Primates
- Omomyidae
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Absarokius abbotti
(Loomis 1906)
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= Absarokius metoecus
Bown and Rose 1987
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Bown and Rose 1987 | |||||||||
| at Y-32 | ||||||||||
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Reptilia
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Kopidosaurus perplexus n. gen., n. sp.
Scarpetta 2020
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Scarpetta 2020 | |||||||||
| YPM VP 8287 from YPM loc 24 | ||||||||||
| 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:611 m in revised section | |
Metadata
| Also known as: | YPM 24, 32 | ||
| Database number: | 15567 | ||
| 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] | |
| 87097 | S. G. Scarpetta. 2020. Effects of phylogenetic uncertainty on fossil identification illustrated by a new and enigmatic Eocene iguanian. Scientific Reports 2020(10:15734):1-10 [P. Holroyd/P. Holroyd] |