Bear Creek 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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Cynarctus crucidens
Barbour and Cook 1914
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Epicyon saevus
(Leidy 1858)
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| also "Bear Creek Quarry slide" | ||||||||||
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Paratomarctus euthos
(McGrew 1935)
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Leptocyon matthewi n. sp.
Tedford et al. 2009
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Tedford et al. 2009 | |||||||||
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Mammalia
- Merycoidodontidae
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Ustatochoerus profectus
(Matthew and Cook 1909)
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Schultz and Falkenbach 1941 | |||||||||
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= Merychyus novomexicanus
Frick 1929
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Alroy 2002 | |||||||||
| invalid subgroup of Ustatochoerus medius | ||||||||||
| but see Voorhies 1985 | ||||||||||
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Mammalia
- Tayassuidae
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Macrogenis sp.
Wright 1993
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Wright 1983 | |||||||||
| new Leptarctus Quarry species | ||||||||||
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Mammalia
- Palaeomerycidae
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Cranioceras granti
Frick 1937
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Frick 1937 | |||||||||
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= Cranioceras unicornis
Matthew 1918
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Alroy 2002 | |||||||||
| "Bear Creek" in Cherry County | ||||||||||
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Mammalia
- Moschidae
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Longirostromeryx merriami n. sp.
Frick 1937
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Frick 1937 | |||||||||
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= Longirostromeryx wellsi
Matthew 1904
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Alroy 2002 | |||||||||
| from "Bear Creek Cherry County" | ||||||||||
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Mammalia
- Camelidae
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Procamelus occidentalis
Leidy 1858
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Skinner et al. 1977 | |||||||||
| "above the Cap Rock... along Bear Creek, Cherry County" | ||||||||||
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Mammalia
- Perissodactyla
- Equidae
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Pseudhipparion gratum
(Leidy 1869)
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Hulbert 1989 | |||||||||
| pers. commun. | ||||||||||
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Hipparion cf. tehonense
(Merriam 1916)
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Alroy 2002 | |||||||||
| recombined as Hipparion gratum tehonense | ||||||||||
| JA pers. obs. 1/93 | ||||||||||
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Pliohippus pernix
Marsh 1874
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Hulbert 1989 | |||||||||
| pers. commun. | ||||||||||
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Calippus martini
Hesse 1936
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Hulbert 1989 | |||||||||
| pers. commun. | ||||||||||
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Calippus placidus
(Leidy 1869)
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Hulbert 1989 | |||||||||
| pers. commun. | ||||||||||
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Protohippus supremus
Leidy 1869
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Hulbert 1989 | |||||||||
| pers. commun. | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Teleoceras major
Hatcher 1894
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Prothero 2005 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Cherry |
| Coordinates: | 42.8° North, 100.8° West (view map) | ||||
| Paleocoordinates: | 43.3° North, 98.2° 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:"at least 258" F:AM specimens: Skinner and Johnson 1984 equids: Hulbert 1989 pers. commun. "Ustatochoerus major" Schultz and Falkenbach 1941: "Spring Canyon at mouth of Bear Creek" in Cherry Co. | |
Metadata
| Database number: | 18042 | ||
| 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: | 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] | |
| 51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] | |
| 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] | |
| 3175 | M. F. Skinner, S. M. Skinner, and R. J. Gooris. 1977. Stratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the American Museum of Natural History 158(5):263-370 [J. Alroy/J. Alroy/J. Alroy] | |
| 52058 | R. H. Tedford, X. Wang, and B. E. Taylor. 2009. Phylogenetic Systematics of the North American Fossil Caninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 325:1-218 [J. Marcot/J. Marcot/G. Lloyd] | |
| 3773 | D. B. Wright. 1983. Later Miocene Tayassuidae (Artiodactyla, Mammalia) of North America. University of Nebraska, M. S. thesis 1-350 [J. Alroy/J. Alroy/J. Sepkoski] |