Uptegrove: Hemphillian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Megalonychidae
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Megalonyx cf. curvidens
Matthew 1924
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Voorhies 1990 | |||||||||
Mammalia
- Proboscidea
- Gomphotheriidae
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Gomphotheriidae indet.
Hay 1922
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Voorhies 1990 | |||||||||
Mammalia
- Carnivora
- Felidae
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Machairodus coloradensis
Cook 1922
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includes type of "M. coloradensis tanneri" of Martin and Schultz 1975 | ||||||||||
= Machairodus tanneri
Martin and Schultz 1975
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Martin 1998 | |||||||||
Mammalia
- Carnivora
- Canidae
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Osteoborus sp.
Stirton and VanderHoof 1933
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= Borophagus sp.
Cope 1892
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Alroy 2002 | |||||||||
Mammalia
- Perissodactyla
- Equidae
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Dinohippus sp.
Quinn 1955
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= Dinohippus cf. leidyanus
Osborn 1918
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Voorhies 1990 | |||||||||
Nannippus lenticularis
(Cope 1893)
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synonym of Cormohipparion ingenuum | ||||||||||
Mammalia
- Perissodactyla
- Rhinocerotidae
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Teleoceras sp.
Hatcher 1894
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= Teleoceras fossiger
Cope 1878
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Mead 1999 | |||||||||
Mammalia
- Camelidae
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Megatylopus cf. gigas
(Matthew and Cook 1909)
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Hemiauchenia cf. vera
(Matthew 1909)
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recombined as Pleiolama vera | ||||||||||
Mammalia
- Rodentia
- Mylagaulidae
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Epigaulus sp.
Gidley 1907
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= Ceratogaulus sp.
Matthew 1902
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Voorhies 1990 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Nebraska | County: | Cheyenne |
Coordinates: | 41.1° North, 103.0° West (view map) | ||||
Paleocoordinates: | 41.4° North, 101.3° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | small collection |
Time
Period: | Neogene | ||
10 m.y. bin: | Cenozoic 6 | ||
*Period: | Tertiary | *Epoch: | Miocene |
Key time interval: | Hemphillian | ||
Age range of interval: | 10.30000 - 4.90000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | UNSM |
Taxonomic list comments:"superposition" of this fauna above Oshkosh and Greenwood Canyon indicated by Tedford et al. 1987 Fig. 6.2 appears to be based on fission track dates and biochronology there are NO legitimate small mammals from this locality; ALL such records are recent intrusives bogus list of Kent 1967: "Citellus kimballensis" type Thomomys sp. "Perognathus sp." |
Metadata
Also known as: | UNSM Cn-101 | ||
Database number: | 18441 | ||
Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 1992-08-05 00:00:00 | Last modified: | 2009-12-18 13:05:29 |
Access level: | the public | Released: | 1992-08-05 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
3504. | M. R. Voorhies. 1984. "Citellus kimballensis" Kent and "Propliophenacomys uptegrovensis" Martin, Supposed Miocene Rodents, Are Recent Intrusives. Journal of Paleontology 58(1):254-258 [J. Alroy/J. Alroy/J. Ju] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
7589 | L. D. Martin. 1998. Felidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America 1:236-242 [J. Alroy/J. Alroy/J. Alroy] | |
2546 | 5% 1540 | A. J. Mead. 1999. Enamel hypoplasia in Miocene rhinoceroses (Teleoceras) from Nebraska; evidence of severe physiological stress. Journal of Vertebrate Paleontology 19(2):391-397 [J. Alroy/J. Alroy/M. Carrano] |
3510 | M. R. Voorhies. 1990. Vertebrate biostratigraphy of the Ogallala Group in Nebraska. In T. C. Gustavson (ed.), Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw and Ogallala Formations, Great Plains 115-151 [J. Alroy/J. Alroy/J. Marcot] |