Bayard Quarry: Arikareean, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Peltosaurus sp.
Cope 1873
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ElShafie 2024 | |||||||||
| "from below quarry" | ||||||||||
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Mammalia
- Carnivora
- Canidae
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Archaeocyon leptodus
(Schlaikjer 1935)
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Wang et al. 1999 | |||||||||
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Mammalia
- Lagomorpha
- Leporidae
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Palaeolagus hypsodus
Schlaikjer 1935
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Mammalia
- Rodentia
- Castoridae
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Castoridae indet.
Gray 1821
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| said to be new | ||||||||||
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Palaeocastor nebrascensis
(Leidy 1856)
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= Palaeocastor sp.
Leidy 1869
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Alroy 2002 | |||||||||
| see Xu 1996 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Banner |
| Coordinates: | 41.5° North, 103.8° West (view map) | ||||
| Paleocoordinates: | 42.4° 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 | |||
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Museum repositories: | UNSM |
| Taxonomic list comments:said by Swisher 1982 to be in Unit C of the Gering Fm., but by Wang et al. 1999 to be in the Horn Member | |
Metadata
| Also known as: | UNSM Bn-102 | ||
| Database number: | 17465 | ||
| Authorizer: | J. Alroy, P. Holroyd | Enterer: | J. Alroy, P. Holroyd | 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:
| 3345. | C. C. Swisher. 1982. Stratigraphy and biostratigraphy of the eastern portion of the Wildcat Ridge, western Nebraska. 1-172 [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] | |
| 87093 | S. J. ElShafie. 2024. Body size estimation from isolated fossil bones reveals deep time evolutionary trends in North American lizards. PLoS ONE 19(1:e0296318):1-25 [P. Holroyd/P. Holroyd/P. Holroyd] | |
| 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] |