UNSM Sx-22 (Above UAZ): Arikareean, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Merycoidodontidae
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Leptauchenia martini
Schultz and Falkenbach 1968
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| synonym of Leptauchenia decora | ||||||||||
| "lower Gering" | ||||||||||
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Pseudocyclopidius major
(Leidy 1856)
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| original and current combination Leptauchenia major | ||||||||||
| "lower Gering" | ||||||||||
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Hadroleptauchenia shanafeltae
Schultz and Falkenbach 1968
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| synonym of Leptauchenia major | ||||||||||
| "lower Gering" | ||||||||||
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Mammalia
- Perissodactyla
- Hyracodontidae
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Hyracodon sp.
Leidy 1856
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Tedford et al. 1996 | |||||||||
| exact locality not certain, but strongly implied to be Sx-22 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Sioux |
| Coordinates: | 42.4° North, 103.8° West (view map) | ||||
| Paleocoordinates: | 43.3° North, 98.0° 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
| Formation: | Brule | Member: | upper Whitney |
| Local section: | PineR | Local bed: | 8 |
| Local order: | bottom to top |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some genera |
| Museum repositories: | UNSM |
| Taxonomic list comments:equivalent to "White River Fauna II" of Tedford et al. 1985 | |
Metadata
| Also known as: | Round Top, in part | ||
| Database number: | 17717 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot | Research group: | vertebrate |
| Created: | 1996-08-05 00:00:00 | Last modified: | 2002-06-03 03:27:42 |
| Access level: | the public | Released: | 1996-08-05 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 3069. | C. B. Schultz and C. H. Falkenbach. 1968. The Phylogeny of the Oreodonts. Part 1: Merycoidodontinae, Eporeodontinae, and Leptaucheniinae, Three Subfamilies Of Oreodonts, With an Appendix to the Revision Of The Merycoidodontidae, and Part 2. Summary and Conclusions Concerning the Merycoidodontidae. Bulletin of the American Museum of Natural History 139:1-498 [J. Alroy/J. Alroy/J. Marcot] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 3386 | R. H. Tedford, C. C. Swisher, D. R. Prothero, S. A. King, and T. E. Tierney. 1996. The Whitneyan-Arikareean transition in the High Plains. In D. R. Prothero, R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 312-334 [J. Alroy/J. Alroy/M. Uhen] |