North Tejon Hills: Tortonian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Perissodactyla
- Equidae
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Hipparion forcei
Richey 1948
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| presumably includes "H. cf. mohavense" and "Nannippus cf. tehonensis" of Drescher 1941 from CIT 104, which appear respectively to be early and late wear stages of the same species (JA pers. obs. 19.1.02) (5 measurements) | ||||||||||
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Pliohippus leardi n. sp.
Drescher 1941
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| recombined as Dinohippus leardi | ||||||||||
| see Drescher 1941 (6 measurements) | ||||||||||
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Mammalia
- Merycoidodontidae
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Ustatochoerus cf. californicus
(Merriam 1919)
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Mammalia
- Antilocapridae
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Paracosoryx cf. furlongi
(Frick 1937)
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| may include "C. (Paracosoryx)" of Frick 1937 from "Chanac fauna" | ||||||||||
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Mammalia
- Palaeomerycidae
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Cranioceras cf. unicornis
Matthew 1918
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Mammalia
- Carnivora
- Canidae
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Epicyon haydeni
(Leidy 1858)
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Wang et al. 1999 | |||||||||
| exact locality not stated | ||||||||||
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Borophagus littoralis
VanderHoof 1931
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Wang et al. 1999 | |||||||||
| CIT 104 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Kern |
| Coordinates: | 35.3° North, 118.5° West (view map) | ||||
| Paleocoordinates: | 35.2° North, 115.3° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Tortonian | 10 m.y. bin: | Cenozoic 6 |
| *Period: | Tertiary | ||
| Key time interval: | Tortonian | ||
| Age range of interval: | 11.63000 - 7.24600 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Chanac | ||||
| Local section: | Tejon | Local bed: | 3 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: at roughly the 130 m level in the Tejon Hill section of Wilson and Prothero 1997, i.e., in the long reversed polarity zone overlying the normal zone including the Comanche Point fauna | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:not the same as Comanche Point of Savage 1955a (see) | |
Metadata
| Also known as: | Comanche Point; CIT 104, 302, 305 | ||
| Database number: | 19466 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | B. Allen | Research group: | vertebrate |
| Created: | 1993-09-27 00:00:00 | Last modified: | 2023-07-29 08:12:58 |
| Access level: | the public | Released: | 1993-09-27 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 6198. | R. H. Tedford, T. Galusha, M. F. Skinner, B. E. Taylor, R. W. Fields, J. R. Macdonald, J. M. Rensberger, S. D. Webb, and D. P. Whistler. 1987. Faunal succession and biochronology of the Arikareean through Hemphillian interval (late Oligocene through earliest Pliocene epochs) in North America. In M. O. Woodburne (ed.), Cenozoic Mammals of North America: Geochronology and Biostratigraphy 153-210 [J. Alroy/J. Alroy/P. Wagner] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 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] |