Warbonnet Creek (Chadron): Chadronian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Carnivora
- Ursidae
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Parictis gilpini
Clark and Guensburg 1972
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| Chadron Fm., Warbonnet Creek | ||||||||||
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Mammalia
- Perissodactyla
- Brontotheriidae
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Brontops dispar n. sp.
Marsh 1887
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Osborn 1929 | |||||||||
| from Hat Creek, Sioux Co., said by Osborn 1902 to be from the middle beds of the Chadron Formation; two specimens described by Hatcher 1901b, 1901c from "near the base of the Titanotherium beds on Warbonnet Creek, some three miles north of the Brewster and Emmons Ranch" (latter assigned to "Titanotherium dispar" | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Trigonias osborni
Lucas 1900
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Hatcher 1901 | |||||||||
| "near the base of the Titanotherium beds... three miles north of the old Brewster and Emmons Ranch, on Warbonnet creek, Sioux County"; repeated by Wood 1927 as "three miles north of Warbonnet Ranch" | ||||||||||
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Mammalia
- Merycoidodontidae
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Stenopsochoerus douglasensis
Schultz and Falkenbach 1956
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Schultz and Falkenbach 1956 | |||||||||
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= Miniochoerus chadronensis
Schultz and Falkenbach 1956
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Alroy 2002 | |||||||||
| "N. of Harrison" in Chadron Fm. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Sioux |
| Coordinates: | 42.4° North, 103.8° West (view map) | ||||
| Paleocoordinates: | 43.8° North, 95.1° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
| *Period: | Tertiary | ||
| Key time interval: | Chadronian | ||
| Age range of interval: | 37 - 33.9 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Local section: | PineR | Local bed: | 1 |
| 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:apparently in T33N R56W, i.e., about 18 mi W of the Chadron localities of Ostrander 1985 following records could be from the Chadron, Brule, or Gering: "Merycoidodon" affinis Thorpe 1937 Merycoidodon "culbertsonii" Thorpe 1937: "middle Oligocene" "Phenacocoelus munroensis" Thorpe 1937 "Promerycochoerus" carrikeri Thorpe 1937 | |
Metadata
| Also known as: | Brewster and Emmons Ranch; Warbonnet Ranch | ||
| Database number: | 17040 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 1995-10-18 00:00:00 | Last modified: | 2002-06-03 03:27:41 |
| Access level: | the public | Released: | 1995-10-18 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 1238. | J. Clark and T. E. Guensburg. 1972. Arctoid genetic characters as related to the genus Parictis. Fieldiana 26(1):1-71 [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] | |
| 1808 | J. B. Hatcher. 1901. Some new and little known fossil vertebrates. Annals of Carnegie Museum 1(1):128-144 [J. Alroy/J. Alroy/M. Carrano] | |
| 2708 | H. F. Osborn. 1929. New Eurasiatic and American proboscideans. American Museum Novitates 393:1-22 [J. Alroy/J. Alroy/M. Carrano] | |
| 3068 | C. B. Schultz and C. H. Falkenbach. 1956. Miniochoerinae and Oreonetinae two new subfamilies of oreodonts. Bulletin of the American Museum of Natural History 109(4):373-482 [J. Alroy/J. Alroy/J. Marcot] |