Anderson Ranch: Wasatchian, Colorado
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Rodentia
- Sciuravidae
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Sciuravidae indet.
Miller and Gidley 1918
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Mammalia
- Creodonta
- Oxyaenidae
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Oxyaena forcipata
Cope 1874
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= Oxyaena intermedia
Denison 1938
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Gunnell and Gingerich 1991 | |||||||||
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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 | |||||||||
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Mammalia
- Perissodactyla
- Palaeotheriidae
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Hyracotherium sp.
Owen 1841
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| "A" and "B" | ||||||||||
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Mammalia
- Perissodactyla
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Heptodon sp.
Cope 1882
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| small | ||||||||||
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Mammalia
- Phenacodontidae
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Phenacodus primaevus
(Cope 1873)
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= Phenacodus sp.
Cope 1873
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Alroy 2002 | |||||||||
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Mammalia
- Dichobunidae
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Diacodexis cf. robustus
Sinclair 1914
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= Dichobunidae indet.
Gill 1872
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Alroy 2002 | |||||||||
| see Krishtalka and Stucky 1986, who assign only other specimen (from 328-41) to Simpsonodus chacensis | ||||||||||
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Mammalia
- Macroscelidea
- Apheliscidae
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Haplomylus speirianus
(Cope 1880)
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Mammalia
- Coryphodontidae
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Coryphodon sp.
(Owen 1845)
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| original and current combination Lophiodon (Coryphodon) | ||||||||||
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Mammalia
- Leptictidae
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Didelphodus absarokae
(Cope 1881)
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Colorado | County: | Rio Blanco |
| Coordinates: | 40.0° North, 107.9° West (view map) | ||||
| Paleocoordinates: | 44.8° North, 91.8° 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 | *Local age/stage: | Early/Lower Wasatchian |
| Key time interval: | Wasatchian | ||
| Age range of interval: | 54.90000 - 50.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection size: | 29 specimens |
Metadata
| Also known as: | UCM 78054 | ||
| Database number: | 15220 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 1993-09-27 00:00:00 | Last modified: | 2002-06-03 03:27:40 |
| Access level: | the public | Released: | 1993-09-27 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 2078. | A. J. Kihm. 1984. Early Eocene Mammalian Fauna of the Piceance Creek Basin. Northwestern Colorado. [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] | |
| 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] |