Jonas Wilson Quarry: Clarendonian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Carnivora
- Canidae
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Aelurodon taxoides
Hatcher 1894
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| "J. Wilson Ranch, 4 mi north of Johnstown" | ||||||||||
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Epicyon haydeni
(Leidy 1858)
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Epicyon haydeni
(Leidy 1858)
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Epicyon saevus
(Leidy 1858)
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| also "Jonas Wilson Place" | ||||||||||
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Mammalia
- Merycoidodontidae
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Ustatochoerus major
(Leidy 1858)
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Schultz and Falkenbach 1941 | |||||||||
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= Merychyus major
Leidy 1858
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Alroy 2002 | |||||||||
| recombined as Ustatochoerus major | ||||||||||
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Mammalia
- Antilocapridae
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Plioceros floblairi
Frick 1937
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Frick 1937 | |||||||||
| "tentatively referred"; from "J. Wilson Ranch" | ||||||||||
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Mammalia
- Gelocidae
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Pseudoceras wilsoni n. sp.
Frick 1937
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Frick 1937 | |||||||||
| synonym of Pseudoceras skinneri | ||||||||||
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Mammalia
- Perissodactyla
- Equidae
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Pseudhipparion skinneri
Webb and Hulbert 1986
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Webb and Hulbert 1986 | |||||||||
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Pseudhipparion gratum
(Leidy 1869)
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Hulbert 1989 | |||||||||
| pers. commun. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Brown |
| Coordinates: | 42.7° North, 100.0° West (view map) | ||||
| Paleocoordinates: | 43.1° North, 97.4° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5-6 | ||
| *Period: | Tertiary | ||
| Key time interval: | Clarendonian | ||
| Age range of interval: | 12.50000 - 9.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Ash Hollow | Member: | Merritt Dam |
| Local section: | ValAH | Local bed: | 6 |
| Local order: | bottom to top |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some genera |
| Taxonomic list comments:"more than 57" F:AM specimens: Skinner and Johnson 1984 | |
Metadata
| Database number: | 18468 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1992-08-05 00:00:00 | Last modified: | 2007-08-25 19:20:36 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 3558. | X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 6222 | C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669 [J. Alroy/J. Alroy/M. Uhen] | |
| 1952 | R. C. Hulbert, Jr. 1989. Phylogenetic Interrelationships and Evolution of North American Late Equidae. In D. R. Prothero and R. M. Schoch (eds.), The Evolution of Perissodactyls [J. Alroy/J. Alroy/M. Uhen] | |
| 3063 | C. B. Schultz and C. H. Falkenbach. 1941. Ticholeptinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 79(1):1-105 [J. Alroy/J. Alroy/J. Marcot] | |
| 6227 | S. D. Webb and R. C. Hulbert, Jr. 1986. Systematics and evolution of Pseudhipparion (Mammalia, Equidae) from the late Neogene of the Gulf Coastal Plain and the Great Plains. Contributions to Geology, the University of Wyoming, Special Paper 3:237-272 [J. Alroy/J. Alroy/J. Marcot] |