Upper Brown Siltstone: Arikareean, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Rodentia
- Aplodontidae
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Campestrallomys siouxensis
Korth 1989
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Korth 1989 | |||||||||
| Schomp Ranch (3 measurements) | ||||||||||
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Mammalia
- Rodentia
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Proheteromys sp.
Wood 1932
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= Geomyoidea indet.
Bonaparte 1845
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Alroy 2002 | |||||||||
| at Dead Frog locality | ||||||||||
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Mammalia
- Carnivora
- Canidae
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Enhydrocyon sp.
Cope 1879
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| at Bx-59a | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Diceratherium armatum
Marsh 1875
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Prothero 2005 | |||||||||
| "Early Arikareean, Gering Formation, Schomp Ranch, 8.5 miles north of Mitchell, Sioux County, Nebraska" | ||||||||||
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Diceratherium annectens
(Marsh 1873)
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Prothero 2005 | |||||||||
| "Early Arikareean, Gering Formation, Schomp Ranch, 8.5 miles north of Mitchell, Sioux County, Nebraska" | ||||||||||
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Mammalia
- Merycoidodontidae
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Desmatochoerinae indet.
Schultz and Falkenbach 1954
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| synonym of Promerycochoerinae | ||||||||||
| at Bx-59a | ||||||||||
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Pseudocyclopidius major
(Leidy 1856)
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= Leptauchenia cf. major
Leidy 1856
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Alroy 2002 | |||||||||
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Sespia sp.
(Stock 1930)
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| original and current combination Leptauchenia (Sespia) | ||||||||||
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Mammalia
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Peratherium sp.
Aymard 1850
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= Herpetotheriinae indet.
Trouessart 1879
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Alroy 2002 | |||||||||
| spelled with current rank as Herpetotheriidae | ||||||||||
| at Dead Frog locality | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Box Butte and Sioux |
| Coordinates: | 42.3° North, 103.5° West (view map) | ||||
| Paleocoordinates: | 43.2° North, 97.7° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| 10 m.y. bin: | Cenozoic 4-5 | ||
| *Period: | Tertiary | *Epoch: | Oligocene |
| Key time interval: | Arikareean | ||
| Age range of interval: | 29.50000 - 18.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Local section: | PineR | Local bed: | 10 |
| Local order: | bottom to top |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Museum repositories: | UNSM |
| Taxonomic list comments:assigned to the Monroe Creek Fm. by Yatkola 1978 | |
Metadata
| Also known as: | UNSM Bx-59a, Schomp Ranch (Sioux Co.) | ||
| Database number: | 17719 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2002-06-03 03:27:42 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 3385. | R. H. Tedford, J. B. Swinehart, R. M. Hunt, Jr. and M. R. Voorhies. 1985. Uppermost White River and lowermost Arikaree rocks and faunas, White River Valley, north-western Nebraska and their correlation with South Dakota. Dakoterra 2(2):335-352 [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] | |
| 2114 | W. W. Korth. 1989. Aplodontid Rodents (Mammalia) from the Oligocene (Orellan and Whitneyan) Brule Formation, Nebraska. Journal of Vertebrate Paleontology 9(4):400-414 [J. Alroy/J. Alroy/J. Ju] | |
| 51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] |